10 tools
Math Calculators
School and everyday math utilities — percentages, GPA, fractions, and more — all in your browser.
Percentage Calculator
Solve percent-of, reverse percent, and percent change problems instantly. Processing stays on your device.
Openarrow_forwardGPA Calculator
Add courses with letter grades and credits to get a weighted GPA on the common 4.0 scale. All math stays in your browser.
Openarrow_forwardScientific Calculator
A browser-based scientific calculator for everyday math, trig, and logs. Runs locally — nothing is uploaded.
Openarrow_forwardAverage Calculator
Paste or type a list of numbers to get mean, median, mode, count, and sum. Processing stays on your device.
Openarrow_forwardFraction Calculator
Perform fraction arithmetic and simplify results automatically in your browser.
Openarrow_forwardGCF Calculator
Calculate the greatest common factor of two whole numbers using the Euclidean algorithm.
Openarrow_forwardLCM Calculator
Calculate the least common multiple of two whole numbers from their GCF.
Openarrow_forwardProbability Calculator
Enter probabilities between 0 and 1 for two independent events to get AND and OR results.
Openarrow_forwardCombination Calculator
Compute how many ways to choose r items from n when order does not matter (nCr).
Openarrow_forwardPermutation Calculator
Compute how many ordered arrangements of r items from n (nPr).
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