All calculators

12 calculators

Education calculators

Grade math for students and parents — final grades, weighted averages, and the score you need on the final.

Education

Final Grade Calculator

Calculate your final course grade from your current grade and your final exam score.

Education

Weighted Grade Calculator

Combine assignments, quizzes, and exams by weight to get a precise weighted course average.

Education

Final Exam Calculator

Find out exactly what you need to score on your final exam to hit your target course grade.

Education

College GPA Calculator

Compute your semester GPA on the standard 4.0 scale — add courses with credit hours and letter grades.

Education

Pythagorean Theorem Calculator

Solve a right triangle for any missing side using a² + b² = c² — enter two sides and we compute the third.

Education

Chronological Age Calculator

Find the exact age between any two dates in years, months, days — plus total months, weeks, and days.

Education

P Value Calculator

Convert a z-score to a p-value for a one-tailed or two-tailed test, with the area on each side of the curve.

Education

Variance Calculator

Compute sample and population variance, mean, count, and standard deviation from a list of numbers.

Education

Integral Calculator

Compute definite integrals of polynomials with the power rule, or numerically with Simpson's rule for safe expressions.

Education

Percentage Increase Calculator

Compute the percentage change between two values — increase or decrease — with absolute change and multiplier.

Education

Derivative Calculator

Differentiate polynomials term by term with the power rule — clear breakdown of each term's derivative.

Education

Standard Deviation Calculator

Compute population and sample standard deviation, variance, mean, and count from a list of numbers.