Student Tools

Quick calculators for school and everyday life: GPA, percentages, age, and unit conversions.

4 tools. All run in your browser.

Work out your GPA on the 4.0 scale. Add courses, credits, and grades.

Find a percentage, a test score, or how much something went up or down.

See exact age in years, months, days, hours, minutes, and seconds.

Convert length, weight, temperature, and file size. Metric and imperial together.