Math calculators,
step by step.
Free calculators for percentages, fractions, averages, exponents, primes, and more. Clear working shown — not just the answer.
12 calculators on the way.
Every common math calculation from middle school through college, with step-by-step explanations. No subscription, no ads.
Percentage CalculatorSoon
What % is X of Y, percentage increase/decrease, and reverse percentage — all in one tool.
Average CalculatorSoon
Calculate mean, median, mode, and range for any set of numbers.
Fraction CalculatorSoon
Add, subtract, multiply, and divide fractions with step-by-step working shown.
Scientific Notation ConverterSoon
Convert between standard notation and scientific notation in both directions.
Number Base ConverterSoon
Convert numbers between binary, octal, decimal, and hexadecimal instantly.
Exponent CalculatorSoon
Calculate any base raised to any power, including fractional and negative exponents.
Square Root CalculatorSoon
Calculate square root, cube root, or nth root of any number with decimal precision.
Prime Number CheckerSoon
Check if any number is prime and find the prime factorization with step-by-step breakdown.
Summation CalculatorSoon
Calculate the sum of any arithmetic or geometric series with sigma notation support.
Triangle CalculatorSoon
Solve any triangle given sides and/or angles using law of sines, cosines, and Heron's formula.
LCM & GCF CalculatorSoon
Find the Least Common Multiple and Greatest Common Factor of any two or more numbers.
Circle CalculatorSoon
Calculate area, circumference, diameter, or radius from any one known value.
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