Calculate percentage of a number

Add or subtract percentage from a number

Calculate percentage of a percentage

Calculate compound interest with contributions

Calculate simple interest on principal

Calculate sale prices and savings

Compound annual growth rate

Calculate loan payments and amortization

Project your investment growth over time

Plan how much to save for your goals

Calculate purchasing power over time

Plan your retirement savings

Calculate debt payoff time and cost

Add or remove GST/VAT from prices

Calculate your Body Mass Index

Get your TDEE, BMR, and macros

Calculate body fat percentage

Calculate your baby's due date

Calculate exact age in years, months, days

Calculate tips and split bills

Advanced math with trig and logarithms

Add, subtract, multiply, divide fractions

Convert length, weight, temperature, and more

Compare times across multiple time zones

Calculate trip fuel costs and gas mileage

Estimate power costs by appliance usage