Student Calculators

Free tools for school and college life — percentages, sleep planning, word counts, and more.

GPA Calculator

Calculate your semester or cumulative GPA on a 4.0 scale.

Calculate percentages, increases, decreases, and ratios.

Find optimal bedtimes and wake times based on sleep cycles.

Calculate your exact age in years, months, and days.

Quickly calculate tips and split bills between friends.

Count words, characters, sentences, and paragraphs.

Estimate your daily calorie needs for your goals.