Math

Fraction Calculator

Work with two fractions: choose an operation, enter numerators and denominators, and get a simplified result plus a deci…

GPA Calculator

Compute a credit-weighted grade point average from your courses. Enter grade points paired with credits (or use the GPA …

Percentage Calculator

Work with percentages the way people ask them: find a percent of a number, reverse a percent, compare two values, or app…

Standard Deviation Calculator

Calculate population standard deviation from a comma-separated list of numbers — a measure of how spread out values are …

Unit Converter

Convert common length units through SI metres. Uses exact factors such as 1 inch = 2.54 cm and 1 international foot = 0.…