Math
Math calculators
Solve common maths problems without a spreadsheet. These calculators show the answer and a short explanation to help you understand the method.
Standard Calculator
Use a simple keypad calculator for everyday arithmetic, percentages, decimals, and quick totals.
Percentage Calculator
Calculate a percentage of a number, what percent one number is of another, or percent change.
Fraction Calculator
Add, subtract, multiply, or divide two fractions.
Ratio Calculator
Simplify a ratio or scale it to a new total.
Average Calculator
Calculate mean, sum, count, minimum, and maximum from a list of numbers.
Square Root Calculator
Calculate the square root of a positive number.