Compound Interest
Estimate investment growth with compounding using principal, rate, time, and compounding frequency.
Finance Calculators
48 calculators
EMI Calculator
Calculate monthly EMI from principal amount, interest rate, and loan tenure.
Simple Interest
Compute simple interest using principal amount, annual rate, and time period.
Profit Margin Calculator
Calculate profit margin percentage from cost and revenue values.
Loan Calculator
Estimate monthly loan payments from principal, interest rate, and tenure.
Savings Calculator
Calculate projected savings growth based on initial amount, rate, and time.
ROI Calculator
Measure return on investment percentage using gain and investment amount.
Tax Calculator
Estimate tax amount from taxable income and tax rate percentage.
Discount Calculator
Calculate final price after applying a percentage discount.
Inflation Calculator
Estimate future purchasing cost using inflation rate and time.
Salary Calculator
Estimate net salary from gross salary and total deductions.
SIP Calculator
Estimate future value of monthly SIP investments.
Mortgage Calculator
Estimate monthly mortgage payment for home loans.
Loan Interest Calculator
Calculate total interest paid over the full loan term.
Retirement Calculator
Estimate retirement corpus using savings, contribution, and return assumptions.
Income Tax Calculator
Estimate income tax from taxable income and tax slab rate.
Credit Card Payoff Calculator
Estimate payoff time for credit card balances.
Fixed Deposit Calculator
Calculate fixed deposit maturity amount with compounding.
Recurring Deposit Calculator
Estimate recurring deposit maturity value from monthly deposits.
Break Even Calculator
Find units required to break even on costs.
Depreciation Calculator
Estimate annual depreciation using straight-line method.
Currency Converter Calculator
Convert one currency amount into another.
CAGR Calculator
Calculate compound annual growth rate over multiple years.
NPV Calculator
Estimate net present value for investment cash flows.
IRR Approximation Calculator
Estimate internal rate of return for project evaluation.
Payback Period Calculator
Find time required to recover an investment.
Amortization Calculator
Estimate amortized monthly mortgage payment.
Mortgage Payoff Calculator
Estimate months to pay off mortgage with monthly payment.
House Affordability Calculator
Estimate home affordability from income and expenses.
Refinance Calculator
Compare old and new mortgage monthly payment.
Rent vs Buy Calculator
Compare estimated rent and buy costs over a period.
Auto Loan Calculator
Estimate monthly payment for vehicle financing.
Auto Lease Calculator
Estimate monthly auto lease cost.
Investment Calculator
Estimate future investment value with annual growth.
Interest Calculator
Calculate interest amount from principal, rate, and time.
Present Value Calculator
Discount future value to present value.
Future Value Calculator
Project future value from present amount.
Annuity Calculator
Estimate annuity future value from recurring payments.
Pension Calculator
Estimate pension corpus from contribution and growth assumptions.
Sales Tax Calculator
Calculate sales tax and total payable amount.
VAT Calculator
Calculate VAT amount and VAT-inclusive total.
Payment Calculator
Estimate periodic payment from principal, rate, and term.
Credit Card Calculator
Estimate monthly credit card interest and payment impact.
Debt Payoff Calculator
Estimate debt payoff timeline from payment strategy.
Student Loan Calculator
Calculate monthly payment for student loans.
Margin Calculator
Calculate margin percentage from cost and selling price.
Commission Calculator
Calculate commission earned from sales amount.
Budget Calculator
Find remaining budget after subtracting expenses from income.
Math Calculators
53 calculators
Percentage Calculator
Find percentage from value and total for marks, growth, discounts, and comparisons.
Area Calculator
Calculate area of a rectangle using length and width.
Volume Calculator
Calculate volume of a cuboid using length, width, and height.
Average Calculator
Compute average from total sum and count of values.
Ratio Calculator
Calculate and compare ratio values from two numbers.
Fraction Calculator
Convert fraction to decimal using numerator and denominator.
Square Root Calculator
Find square root of a number instantly.
Algebra Calculator
Solve a basic linear algebra equation of form ax + b = c.
Perimeter Calculator
Calculate perimeter of a rectangle from length and width.
Distance Calculator
Calculate distance using speed and time values.
Percentage Increase Calculator
Calculate percentage increase from old and new values.
Percentage Decrease Calculator
Calculate percentage decrease between two values.
LCM Calculator
Find least common multiple of two numbers.
HCF Calculator
Find highest common factor of two numbers.
Quadratic Equation Calculator
Solve quadratic equations using coefficients a, b, and c.
Linear Equation Calculator
Solve linear equation of form ax + b = c.
Exponent Calculator
Calculate powers with base and exponent.
Logarithm Calculator
Calculate logarithm value using number and base.
Permutation Calculator
Calculate number of permutations for n and r.
Combination Calculator
Calculate number of combinations for n and r.
Standard Deviation Calculator
Estimate standard deviation from variance inputs.
Median Calculator
Estimate median from two middle values for even datasets.
Mode Calculator
Check mode candidate using highest frequency count.
Probability Calculator
Calculate event probability from favorable and total outcomes.
Trigonometry Calculator
Calculate sine ratio from opposite and hypotenuse.
Scientific Calculator
Free scientific calculator online with sin, cos, tan, log, ln, powers, memory, history, and keyboard shortcuts.
Graph Calculator
Free graph calculator online: plot y = f(x), zoom and pan, multiple equations, plus a 3D z = f(x, y) surface.
Random Number Generator
Generate random numbers between a minimum and maximum range.
Percent Error Calculator
Calculate percent error between experimental and theoretical values.
Binary Calculator
Perform binary-based arithmetic calculations.
Hex Calculator
Calculate hexadecimal-style operations from numeric input.
Quadratic Formula Calculator
Solve quadratic equations using the quadratic formula.
Log Calculator
Calculate logarithm using value and base.
Root Calculator
Find nth root using value and root degree.
GCF Calculator
Find greatest common factor of two numbers.
Factor Calculator
Estimate factors for an integer value.
Rounding Calculator
Round numbers to selected decimal places.
Matrix Calculator
Perform matrix operation placeholders for quick setup.
Scientific Notation Calculator
Convert between scientific notation and decimal.
Big Number Calculator
Calculate large numbers with operation-based input.
Number Sequence Calculator
Calculate nth term of arithmetic sequence.
Sample Size Calculator
Estimate sample size for surveys and studies.
Statistics Calculator
Calculate basic statistics from summary values.
Mean Median Mode Range Calculator
Get key descriptive statistics from summary inputs.
Permutation Combination Calculator
Calculate permutation and combination counts.
Z Score Calculator
Calculate z-score from value, mean, and standard deviation.
Confidence Interval Calculator
Estimate confidence interval from sample statistics.
Triangle Calculator
Calculate triangle area using base and height.
Slope Calculator
Calculate slope between two coordinate points.
Circle Calculator
Calculate circle area and circumference from radius.
Surface Area Calculator
Calculate cuboid surface area.
Pythagorean Theorem Calculator
Calculate hypotenuse from right triangle sides.
Right Triangle Calculator
Calculate right triangle area from base and height.
health
25 calculators
BMI Calculator
Compute Body Mass Index from weight in kilograms and height in meters or centimeters. Educational screening metric only—not a diagnosis.
Calorie Calculator
Estimate total daily energy expenditure (maintenance calories) from age, sex, height, weight, and typical activity—using Mifflin–St Jeor BMR × standard activity multipliers.
BMR Calculator
Estimate basal metabolic rate (calories at rest) from weight, height, age, and sex using the Mifflin–St Jeor equation—common in apps and coaching tools.
Body Fat Calculator
Estimate body fat percentage from weight, height, age, and sex using a BMI-based regression model—useful for trends, not a lab replacement.
Ideal Weight Calculator
Estimate ideal body weight using height-based formula.
Water Intake Calculator
Estimate daily water intake from body weight.
Pregnancy Calculator
Estimate due date based on last menstrual period.
Ovulation Calculator
Estimate ovulation day from average cycle length.
Heart Rate Calculator
Estimate target heart rate using age and workout intensity.
Lean Body Mass Calculator
Estimate lean body mass using total weight and body fat percentage.
Waist to Hip Ratio Calculator
Calculate waist-to-hip ratio from waist and hip measurements.
Macro Calculator
Estimate daily macro calorie totals from protein, carbs, and fats.
TDEE Calculator
Estimate total daily energy expenditure.
Protein Intake Calculator
Estimate daily protein needs based on body weight.
BMI Prime Calculator
Calculate BMI prime score from BMI value.
Heart Risk Score Calculator
Estimate a simple heart risk score from core markers.
Body Water Calculator
Estimate total body water from body weight.
Visceral Fat Estimate Calculator
Estimate an abdominal adiposity proxy score from gender, age, weight, height, waist, and thigh circumferences. For education only; not a medical diagnosis.
One Rep Max Calculator
Estimate one-rep max from lifted weight and repetitions.
Running Pace Calculator
Calculate running or walking pace.
VO2 Max Calculator
Estimate VO2 max from 12-minute test distance.
MAP Calculator
Calculate mean arterial pressure from blood pressure values.
Glycemic Load Calculator
Estimate glycemic load from GI and carbohydrate grams.
Sleep Cycle Calculator
Estimate optimal wake time using sleep cycles.
Target Weight Time Calculator
Estimate time needed to reach target body weight.
Physics Calculators
24 calculators
Velocity Calculator
Compute velocity from displacement and time.
Acceleration Calculator
Calculate acceleration using initial velocity, final velocity, and time.
Force Calculator
Calculate force using mass and acceleration.
Energy Calculator
Estimate kinetic energy using mass and velocity.
Power Calculator
Calculate power from work done and time.
Density Calculator
Compute density from mass and volume.
Pressure Calculator
Calculate pressure using force and surface area.
Frequency Calculator
Calculate frequency from time period.
Momentum Calculator
Compute momentum from mass and velocity.
Work Calculator
Calculate work done using force and distance.
Kinetic Energy Calculator
Compute kinetic energy from mass and velocity.
Potential Energy Calculator
Calculate gravitational potential energy.
Gravitational Force Calculator
Estimate gravitational force between two masses.
Ohm's Law Calculator
Calculate voltage from current and resistance.
Wave Speed Calculator
Calculate wave speed from frequency and wavelength.
Torque Calculator
Compute torque from force and lever arm distance.
Angular Velocity Calculator
Calculate angular velocity from angular displacement and time.
Centripetal Force Calculator
Compute centripetal force for circular motion.
Projectile Range Calculator
Estimate horizontal range of a projectile.
Refractive Index Calculator
Calculate refractive index from light speeds.
Coulomb's Law Calculator
Estimate electric force between two charges.
Capacitance Calculator
Compute capacitance from charge and voltage.
Inductance Calculator
Estimate inductance from turns, flux, and current.
Heat Transfer Calculator
Calculate heat transfer from mass, specific heat, and temperature change.