Free tools for students.
Quick calculators that answer the questions every semester asks. No sign-up, no ads in your face, and nothing leaves your browser: the math runs right on the page.
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Calculators that do the worrying for you
Final Exam Calculator
Find out exactly what you need on your final exam to hit your target grade, including a what-if table for every letter grade.
Open the calculatorWeighted Grade Calculator
Build a ledger of your categories and weights to see your real class grade, with points mode and a target planner for the rest of the term.
Open the calculatorSemester Grade Calculator
Combine quarter grades and your final exam with your school's weighting, including the classic 40/40/20 preset and a no-final mode.
Open the calculatorMore tools are on the way this semester. And when the math says you need more than a calculator, our homework help by subject is where the actual work gets done.