Calculators

Calculators and converters for STEM, finance, fitness, construction, cooking, and more

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Personal Finance
11 calculators
Mortgage Calculator
Monthly payments, interest and amortization
Popular
Loan Calculator
Loan repayment schedule and total cost
Auto Loan Calculator
Car loan monthly payment estimator
Interest Calculator
Simple and compound interest
Amortization Calculator
Full amortization schedule
Investment Calculator
Future value of investments
Inflation Calculator
Purchasing power over time
Compound Interest
Growth with compounding frequency
Popular
Salary Calculator
Annual, monthly, hourly pay conversion
Sales Tax Calculator
Price with tax included or excluded
Finance Charge
Credit card finance charges
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Fitness & Health
7 calculators
BMI Calculator
Body Mass Index from height and weight
Popular
Calorie Calculator
Daily calorie needs by activity level
BMR Calculator
Basal Metabolic Rate estimation
Body Fat Calculator
Body fat percentage estimation
Calories Burned
Calories burned by exercise type
Lean Body Mass
Muscle and lean tissue calculation
Pace Calculator
Running pace, distance and time
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Math Calculators
8 calculators
Percentage Calculator
Percent of, increase, decrease
Popular
Fraction Calculator
Add, subtract, multiply, divide fractions
GCD Calculator
Greatest common divisor
LCM Calculator
Least common multiple
Prime Factorization
Factor any number into primes
Exponent Calculator
Power and roots calculation
Scientific Notation
Convert to/from scientific notation
Sig Fig Calculator
Significant figures rounding
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Physics
6 calculators
Acceleration Calculator
Newton's second law, a = F/m
Popular
Force Calculator
F = ma with step-by-step solution
Velocity Calculator
Speed, distance and time
Energy Calculator
Kinetic and potential energy
Pressure Calculator
Force per unit area
Ohm's Law Calculator
Voltage, current and resistance
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Date & Time
5 calculators
Age Calculator
Exact age in years, months, days
Popular
Hours Calculator
Hours between two times
24-Hour Clock
Convert 12h to 24h format
Date Calculator
Days between two dates
Time Calculator
Add or subtract time durations
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Cooking
3 calculators
Measurement Converter
Cups, tablespoons, ml, and more
Ingredient Converter
Weight and volume for ingredients
Cake Pan Converter
Scale recipes to different pan sizes
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Construction
4 calculators
Concrete Calculator
Volume of concrete needed
Flooring Calculator
Area and material quantity
Paint Calculator
Paint needed by room dimensions
Roof Calculator
Roof area and materials