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385 calculators

SIP Calculator
Monthly mutual-fund SIP returns
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Lumpsum Calculator
One-time investment growth
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EMI Calculator
Monthly loan installment
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Simple Interest
Flat interest calculation
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Compound Interest
Power of compounding
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FD / RD Calculator
Fixed & recurring deposits
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PPF Calculator
Public provident fund
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Currency Converter
FX between major currencies
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GST Calculator
Inclusive / exclusive GST
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Profit & Loss
Trading & business margins
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Discount Calculator
Sale-price savings
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Salary Calculator
CTC to in-hand
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Income Tax
Old vs new tax regime
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Mortgage
Home loan EMI & total interest
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Retirement Planner
Corpus you need
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ROI Calculator
Return on investment
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NPS Calculator
National pension scheme
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CAGR Calculator
Compound annual growth rate
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HRA Calculator
House rent allowance exemption
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Gratuity
End-of-service gratuity
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EPF Calculator
Employee provident fund
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Home Loan vs Rent
Buy vs rent comparison
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Net Worth
Assets minus liabilities
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Break-Even
Break-even point
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Amortization Schedule
Month-by-month loan breakup
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Mortgage Payoff
Extra-payment savings
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Refinance Calculator
Break-even on refinance
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House Affordability
Max loan + max price
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Rent Affordability
Max rent by income
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Down Payment
Down + LTV
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Rent vs Buy (NPV)
Long-horizon NPV comparison
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APR (with fees)
True APR including upfront fees
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Auto Loan
Car EMI
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Auto Lease
Lease monthly payment
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Credit Card Payoff
Months to clear + interest
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Credit Card Min Payment
Min-payment trap simulator
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Debt Snowball
Pay-off speed
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Debt Consolidation
Saving by consolidating
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DTI Ratio
Debt-to-income with verdict
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Student Loan
Education EMI
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College Cost
Future cost inflated
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Payback Period
Years to recover investment
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NPV
Net present value
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IRR
Internal rate of return
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Present Value
PV of future amount
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Future Value
FV of present amount
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Annuity FV
Future value of periodic payments
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Annuity Payout
Monthly payout from corpus
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Bond Pricing
Bond price from coupon + YTM
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Mutual Fund Returns
Absolute + CAGR from NAVs
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Inflation Calculator
Future cost / real value
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Sales Tax
Tax + total
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VAT Calculator
Inclusive/exclusive VAT
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Tip Calculator
Tip + per person
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Commission
Sales commission
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Margin / Markup
Profit, margin %, markup %
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Depreciation
SL / DDB / SYD methods
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Budget Calculator
Income/expense → savings rate
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Pension Planner
Corpus + monthly payout
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Old-Age Benefit
Estimated monthly benefit
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Equipment Lease
Generic lease payment
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Business Loan EMI
Business loan
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Personal Loan EMI
Unsecured personal loan
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Bike / Boat Loan
Two-wheeler / boat loan
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Savings Goal
Monthly savings needed
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Interest Rate Solver
Back-solve rate from EMI
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Tenure Solver
Back-solve tenure
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NSC
National Savings Certificate
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KVP
Kisan Vikas Patra
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Sukanya Samriddhi
SSY 21-yr maturity
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Atal Pension Yojana
Pension by 60
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Senior Citizens Saving
SCSS quarterly payout
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Post Office MIS
POMIS monthly payout
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EPF Final Settlement
EPF at retirement
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NPS Withdrawal
60% lump + 40% annuity
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LTCG (Equity)
Long-term equity gains tax
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STCG (Equity)
Short-term equity gains tax
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Property Capital Gains
Indexed LTCG @20%
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Advance Tax
Quarterly instalments
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TDS Calculator
Tax deducted at source
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Section 80C
Tax saver summary
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Old vs New Regime
Side-by-side tax compare
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Form 16 In-Hand
Annual + monthly take-home
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XIRR
Annualized IRR for irregular flows
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SWP
Systematic withdrawal lifespan
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STP
Systematic transfer plan
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ELSS Tax Saver
ELSS maturity + tax saved
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Step-up SIP
SIP with annual hike
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Sovereign Gold Bond
SGB maturity + 2.5% interest
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Stamp Duty
Property stamp + registration
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Brokerage / F&O
STT + GST + brokerage
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Basic Calculator
Everyday arithmetic
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Scientific Calculator
Trig, log, exp
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Percentage
Percent of, increase, decrease
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Fraction Calculator
Add / multiply fractions
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Number System
Bin / oct / dec / hex
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Prime Checker
Is N prime? + factors
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GCD / LCM
Greatest common divisor / LCM
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Statistics
Mean, median, mode, stddev
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Matrix Calculator
Add / multiply / determinant
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Quadratic Solver
Roots of ax² + bx + c
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Logarithm
log_b(x) with base picker
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Permutation & Combination
nPr and nCr
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Standard Deviation
σ, variance, mean
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Variance
σ² of a list
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Mean / Median / Mode
All four basics
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Z-Score
Standardized value
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Confidence Interval
CI for a mean
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Sample Size
Survey n calculation
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Probability
Basic probability + odds
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AP / GP / Fibonacci
Sequence terms + sum
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Percent Error
Expected vs actual
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Percent Change
Old to new
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Exponent / Power
b^e
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n-th Root
x^(1/n)
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Scientific Notation
Number → mantissa × 10ⁿ
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Rounding
Round / floor / ceil
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Half-Life
Decay formula
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Pythagorean
c = √(a² + b²)
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Right Triangle
Sides + angles + area
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Triangle (general)
Heron's formula
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Slope & Intercept
From two points
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Distance (2D)
Between two points
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Circle
Area, circumference
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Area (shapes)
Multi-shape area
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Volume (shapes)
Multi-shape volume
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Surface Area (shapes)
Multi-shape surface
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Ratio Simplifier
Reduce a:b:c by GCD
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Proportion Solver
a/b = c/x
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Random Number Generator
Range + count
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Dice Roller
N-sided dice, multi-roll
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Triangle (full)
All sides + angles
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Right Triangle
Two legs → hyp + area
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Equilateral Triangle
Area + height
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Pythagorean Theorem
c² = a² + b²
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Circle
Area, circ, diameter
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Ellipse
Area + perimeter
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Square
Side → area, diagonal
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Rectangle
L×W → area, perimeter, diag
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Parallelogram
Base × height
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Trapezoid
(a+b)·h / 2
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Regular Polygon
n sides + side length
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Cube
Volume + surface
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Cuboid
L × W × H
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Sphere
4/3·π·r³
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Cylinder
π·r²·h
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Cone
π·r²·h/3
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Pyramid
Base² × h / 3
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Torus
Donut volume + surface
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BMI Calculator
Body mass index
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BMR Calculator
Basal metabolic rate
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Calorie Needs
TDEE & daily calories
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Body Fat %
US Navy method
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Ideal Weight
Healthy weight range
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Water Intake
Daily hydration goal
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Pregnancy Due Date
EDD & trimester
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Macro Splitter
P/C/F split
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Healthy Weight Range
BMI 18.5–25 by height
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Lean Body Mass
Boer formula
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Army/Navy Body Fat
US Navy log eqn
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One Rep Max (1RM)
Epley / Brzycki / Lombardi
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Target Heart Rate
Karvonen zones
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Max Heart Rate
220 − age
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Calories Burned
By activity (MET)
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Running Pace
Min/km + speed
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Pace Predictor
Riegel formula
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VO₂ Max
Cooper 12-min test
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Body Surface Area
Du Bois formula
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Somatotype
Ecto/meso/endo
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Carbohydrate Intake
g/day
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Protein Intake
By body weight & activity
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Fat Intake
g/day
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TDEE
Total daily expenditure
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Calorie Goal
Cut / maintain / bulk
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Pregnancy Weight Gain
By pre-BMI
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Ovulation / Fertility
Fertile window
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Period Tracker
Next period date
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Sleep Calculator
90-min cycle bedtimes
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Blood Alcohol
Widmark BAC
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GFR (kidney)
Estimated GFR + CKD stage
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Steps to Calories
Pedometer kcal
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Age Calculator
Years, months, days
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Date Difference
Days between two dates
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Add / Subtract Days
Date arithmetic
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Working Days
Business days between dates
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Time Zone Converter
Multiple zones
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Time Calculator
Add / subtract hh:mm
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Time Card / Timesheet
Weekly hours + OT
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Hours Between Times
Duration
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Day of Week
Mon..Sun for a date
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Day Counter
Days between dates
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Countdown
Days/h/m to target
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Stopwatch
Elapsed time formatter
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Pomodoro Timer
Session + breaks total
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Gestational Age
Weeks pregnant
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Crypto Profit
Entry → exit profit/loss
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Staking Yield
APY rewards projection
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Dollar-Cost Averaging
DCA simulation
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Stock Average
Average price calc
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P/E Ratio
Price-earnings ratio
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Position Size
Risk-based size
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Crypto Tax India
30% + 1% TDS
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Mining Profit
Hash + power → profit
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Impermanent Loss
LP vs hold
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APY ↔ APR
Convert between APY and APR
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Liquidation Price
Margin trade liq
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Leverage / Margin
Effective leverage
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Risk:Reward
Trade R:R
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Pip Value (Forex)
Per-lot pip $
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Forex Position Size
Lots from risk
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Stock Brokerage (India)
Full charges + net PnL
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Stock Profit
Qty × (sell − buy)
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Stop Loss
From account risk
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Take Profit
From R:R
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EPS / Book Value
Per-share fundamentals
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Length
m, ft, mi, km, in...
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Mass / Weight
kg, lb, oz, g...
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Temperature
°C, °F, K
Open
Area
m², ft², acre...
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Volume
L, gal, m³...
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Speed
km/h, mph, m/s...
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Time Units
sec, min, hr, day...
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Data Storage
B, KB, MB, GB, TB
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Energy
J, kWh, cal...
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Pressure
Pa, bar, psi, atm
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Angle
deg / rad / grad
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Force
N, lbf, kgf
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Torque
Nm, lb·ft
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Power
W, kW, hp, BTU/hr
Open
Frequency
Hz, kHz, RPM
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Fuel Economy
mpg ↔ km/L
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Density
kg/m³, g/cm³, lb/ft³
Open
Acceleration
m/s², ft/s², g
Open
Magnetic Flux
Weber / Maxwell
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Current
A, mA, µA
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Voltage
V, mV, kV
Open
Resistance
Ω, kΩ, MΩ
Open
Capacitance
F, μF, nF, pF
Open
Roman Numeral
Decimal ↔ Roman
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Number to Words
12345 → words
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Indian Number System
Lakh / crore
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Shoe Size
US/UK/EU/JP
Open
Clothing Size
XS–XXL
Open
Ring Size
mm ↔ US/UK
Open
Bra Size
EU sizing
Open
Concrete (slab)
L × W × D + cement bags
Open
Concrete (column/footing)
Round or rect
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Cement / Sand / Aggregate
Mix ratio breakdown
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Mortar / Plaster
Wall area + thickness
Open
Brick Count
Wall l × h × t
Open
Block Count
By block size
Open
Tile Calculator
Room + waste %
Open
Flooring
Planks needed
Open
Carpet
Length + strips
Open
Paint Calculator
Coats + coverage
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Wallpaper
Rolls needed
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Roofing (shingles)
Roof area
Open
Roof Pitch
Rise/run → angle
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Drywall
Sheets needed
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Lumber (Board Feet)
Qty × t × w × l / 12
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Stud Wall Framing
Studs per wall
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Rebar
Slab grid + total length
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Stair Calculator
Steps + tread depth
Open
Mulch / Topsoil
Volume m³
Open
Gravel
Volume + weight
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Fence
Posts + panels
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Pool Volume / Fill
Volume + litres
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Fuel Cost
Trip cost from km + price
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Mileage (km/L)
Distance / fuel used
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Trip Cost (multi-leg)
Sum of all legs
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Horsepower
Torque × RPM
Open
Engine Displacement
Bore, stroke, cyl → cc
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Tire Size
205/55R16 → diameter
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Average Speed
Distance / time
Open
Travel Time
Distance / speed
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Lap Time / Race Pace
Track + total time
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Toll Estimator
₹ by distance + class
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EV Charging Cost
Battery × rate / eff
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EV vs Petrol
Annual cost comparison
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Force (F = ma)
Newton's 2nd law
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Newton's 2nd (solver)
Solve for any of F, m, a
Open
Weight (mg)
On Earth / Moon / Mars
Open
Kinetic Energy
½·m·v²
Open
Potential Energy
m·g·h
Open
Work (F·d·cos θ)
Work done
Open
Power (W/t)
Power
Open
Momentum
p = m·v
Open
Impulse
J = F·t
Open
Velocity (v = u + at)
Kinematics
Open
Acceleration
Δv / t
Open
Free Fall
Time + impact velocity
Open
Projectile Motion
Range, height, flight
Open
Friction Coefficient
μ = F/N
Open
Pressure
F / A
Open
Density
m / V
Open
Buoyancy
ρ·V·g
Open
Ohm's Law
V, I, R + P
Open
Electrical Power
P = V·I
Open
Resistor Network
Series / parallel
Open
Capacitor Network
Series / parallel
Open
Wave Equation
λ = v/f
Open
Doppler Effect
Frequency shift
Open
Pendulum Period
2π·√(L/g)
Open
Hooke's Law (spring)
F = k·x
Open
Molarity
mol/L
Open
Molality
mol/kg
Open
Molar Mass
From formula
Open
Moles ↔ Mass ↔ Atoms
Convert between three
Open
Mass Percent
% w/w
Open
Dilution (M₁V₁=M₂V₂)
Solve for final volume
Open
pH / pOH
From [H⁺]
Open
Buffer (Henderson-H)
Buffer pH
Open
Ideal Gas (PV=nRT)
Moles from P, V, T
Open
Boyle / Charles
Gas law variants
Open
Half-Life (radioactive)
Decay over time
Open
Empirical Formula
From mass %
Open
Avogadro / Mole
Atoms ↔ moles
Open
Density (chem)
m / V
Open
Solution Concentration
mg/L ↔ ppm ↔ %
Open
Ohm's Law (full)
Solve for V, I, R or P
Open
Resistor Color Code
4-band → resistance
Open
Resistor (reverse)
Resistance → colors
Open
Voltage Drop
Wire length + gauge
Open
Wire Gauge (AWG)
By current + length
Open
LED Series Resistor
Vs − Vled / I
Open
RC Time Constant
τ = R·C
Open
RL Time Constant
τ = L/R
Open
Decibel (dB)
Power or voltage ratio
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Power Factor
Real / apparent
Open
Battery Life
mAh ÷ mA
Open
Solar Panel Sizing
Daily load × sun-hours
Open
Recipe Scaler
Servings new/old
Open
Cups ↔ Grams
By ingredient
Open
Tbsp ↔ tsp ↔ ml
Volume conversions
Open
Oven Temp
°C ↔ °F ↔ Gas Mark
Open
Baking Pan Conversion
Area ratio
Open
Cooking Time
By meat + weight
Open
Bread (yeast / sugar / water)
From flour weight
Open
Coffee Ratio
1:N brew ratio
Open
Alcohol ABV
OG / FG → ABV
Open
Macros per Recipe
Per-serving macros
Open
GPA
4.0 / 10.0 scale
Open
CGPA ↔ %
Convert CGPA to percentage
Open
Exam Grade Needed
To hit target final %
Open
Exam Score Predictor
With negative marking
Open
Tip Calculator
Tip + total
Open
Split Bill
Per-person with tip
Open
Love Compatibility (fun)
Name-based
Open
Name Numerology
Destiny number
Open
Age in Days/Hours
Exact units
Open
Zodiac Sign
From DOB
Open
Chinese Zodiac
From birth year
Open
Wedding Anniversary
Years + symbol
Open
Retirement Countdown
Years until retire
Open
Carbon Footprint
Tonnes CO₂/yr
Open
Water Footprint
L/day
Open
IP Subnet (CIDR)
Mask, hosts, broadcast
Open
Subnet Mask Converter
Dotted ↔ CIDR
Open
MAC Address Lookup
OUI vendor (offline)
Open
Base64 Encode/Decode
Text ↔ Base64
Open
URL Encode/Decode
Percent encoding
Open
HTML Entity
< > & encoding
Open
Hash Generator
SHA-1/256/384/512
Open
UUID Generator
v4 UUIDs
Open
Password Generator
Length + charset
Open
Password Strength
Entropy verdict
Open
Random String
Charset + length
Open
Bandwidth / Download Time
File size ÷ speed
Open
Color Converter
HEX ↔ RGB ↔ HSL
Open
Cron Expression Helper
Minutes/hours fields
Open
Wind Chill
Apparent temp from wind
Open
Heat Index
Feels-like w/ humidity
Open
Dew Point
Temp + humidity
Open
Humidity (RH ↔ abs)
Relative ↔ absolute
Open
UV Exposure
Time to burn
Open
Sunrise / Sunset
Lat/lon → times
Open
Moon Phase
Phase + illumination
Open
Cricket Run Rate
RPO
Open
Cricket Required RR
Chase math
Open
Cricket DLS (simplified)
Revised target
Open
Cricket Stats
Strike rate, avg, economy
Open
Golf Handicap
From recent scores
Open
Bowling (10-pin) Score
Frame total
Open
Darts Checkout
From remaining score
Open
Fantasy Cricket Points
Runs + wickets + catches
Open

Search

SIP Calculator

Lumpsum Calculator

EMI Calculator

Simple Interest

Compound Interest

FD / RD Calculator

PPF Calculator

Currency Converter

GST Calculator

Profit & Loss

Discount Calculator

Salary Calculator

Income Tax

Mortgage

Retirement Planner

ROI Calculator

NPS Calculator

CAGR Calculator

HRA Calculator

Gratuity

EPF Calculator

Home Loan vs Rent

Net Worth

Break-Even

Amortization Schedule

Mortgage Payoff

Refinance Calculator

House Affordability

Rent Affordability

Down Payment

Rent vs Buy (NPV)

APR (with fees)

Auto Loan

Auto Lease

Credit Card Payoff

Credit Card Min Payment

Debt Snowball

Debt Consolidation

DTI Ratio

Student Loan

College Cost

Payback Period

NPV

IRR

Present Value

Future Value

Annuity FV

Annuity Payout

Bond Pricing

Mutual Fund Returns

Inflation Calculator

Sales Tax

VAT Calculator

Tip Calculator

Commission

Margin / Markup

Depreciation

Budget Calculator

Pension Planner

Old-Age Benefit

Equipment Lease

Business Loan EMI

Personal Loan EMI

Bike / Boat Loan

Savings Goal

Interest Rate Solver

Tenure Solver

NSC

KVP

Sukanya Samriddhi

Atal Pension Yojana

Senior Citizens Saving

Post Office MIS

EPF Final Settlement

NPS Withdrawal

LTCG (Equity)

STCG (Equity)

Property Capital Gains

Advance Tax