Math Calculators
Percentages, fractions, ratios, averages, roots, factorials, permutations and a full scientific calculator.
- Percentage Calculator – Find X% of Y, what percent X is of Y, the whole from a part, or percentage change.
- Percentage Difference Calculator – Calculate the percentage difference between two values relative to their average.
- Fraction Calculator – Add, subtract, multiply and divide fractions and mixed numbers with simplified answers.
- Ratio Calculator – Simplify ratios and divide a total in a given ratio.
- Proportion Calculator – Solve A/B = C/D for the missing value using cross-multiplication.
- Average Calculator – Calculate mean, median, mode, range and standard deviation of a list of numbers.
- Weighted Average Calculator – Calculate a weighted average from values and their weights.
- Scientific Calculator – Online scientific calculator with trigonometry, logarithms, powers, roots and factorials.
- Exponent Calculator – Raise a number to any power, with exact results for large whole-number powers.
- Square Root Calculator – Find the square root of a number and its simplified radical form.
- Cube Root Calculator – Find the cube root of any number, including negatives, with simplified form.
- GCD Calculator – Find the greatest common divisor (HCF) of two or more numbers.
- LCM Calculator – Find the least common multiple of two or more numbers.
- Prime Number Checker – Check whether a number is prime and see its prime factorisation.
- Random Number Generator – Generate secure random numbers in any range, with or without repeats.
- Factorial Calculator – Calculate the exact factorial n! of numbers up to 5,000.
- Permutation Calculator – Calculate nPr — the number of ordered arrangements — with or without repetition.
- Combination Calculator – Calculate nCr — the number of ways to choose items when order does not matter.
- Simple Interest Calculator – Calculate simple interest and total amount for any period.
- Compound Interest Calculator – Calculate compound interest with any compounding frequency and monthly additions.
- Percentage Increase Calculator – Find the percentage increase between two numbers or increase a number by a percentage.
- Percentage Decrease Calculator – Find the percentage decrease between two numbers or reduce a number by a percentage.
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