Free Student & Math Tools

Calculate a percentage of any number.

Find mean, sum, min and max.

Calculate exam or test percentage.

Convert percentage to letter grade.

Simplify and compare ratios.

Add, subtract, multiply and divide fractions.

Calculate LCM and HCF/GCD.

Estimate percentage from CGPA.

Calculate weighted GPA.

Calculate simple interest.

Calculate compound interest.

Calculate profit/loss and percentage.

Evaluate common scientific calculations.