Basic Percentage Tools

Simple and fast percentage calculations. Pick a tool below to get started.

Percentage Calculator

Basic percentage calculations: find what percent one number is of another, or calculate a percentage of a number.

Calculate the percentage increase between two numbers, or find the new value after a percentage increase.

Calculate the percentage decrease between two numbers, or find the new value after a percentage decrease.

Calculate the percentage change (increase or decrease) between two values, automatically determining the sign.

Calculate the percentage difference between two numbers, useful for comparing two values.

Convert a fraction to a percentage, with decimal display. Customize numerator and denominator.

All tools are free to use, no registration required. Real-time calculations, accurate and reliable.