Back to School Calculators

Essential calculators for students. Calculate grades, GPA, percentages, and fractions. Free, no sign-up required.

Grade Calculator

Calculate final grade and what you need on the exam

GPA Calculator

Calculate semester and cumulative GPA from grades

Percentage Calculator

Solve any percentage problem: of, increase, decrease

Fraction Calculator

Solve fraction math and simplify to lowest terms

Scientific Calculator

Solve equations with trig, logs, and advanced functions