Math Calculators

Calculate percentages, changes, differences and marks.

Calculate the percentage change between two values.

Calculate sale price, discount amount and savings percentage.

Add, subtract, multiply and divide fractions.

Simplify ratios and find missing ratio values.

Calculate the mean, median and mode of a set of numbers.

Round numbers to the nearest whole, tenth, hundredth or more.

Convert between standard and scientific notation.

Convert numbers to English words.

Generate random numbers within a range.

Convert fractions to decimal numbers.

Convert decimal numbers to simplified fractions.

Convert between length, weight, temperature and more.

A simple calculator for basic arithmetic operations.

Advanced calculator with trigonometric, logarithmic and exponential functions.