Math
Math Calculators
Maths calculators for the operations that come up constantly in classwork, engineering notes and everyday problem solving — from simplifying a fraction to factoring a large integer.
5 free calculators in this category
Most used math tools
All math calculators
Average Calculator
Mean, median, mode and range from one list of numbers, with the sorted data shown.
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Geometric Mean Calculator
The right average for growth rates and ratios — the nth root of the product.
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Harmonic Mean Calculator
The correct average when rates apply over a fixed distance, quantity or budget.
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Median Calculator
The middle value of a data set, with quartiles and the interquartile range.
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Weighted Average Calculator
Average values that carry different importance — credits, portfolio sizes, category weights.
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About math calculators
This section covers the arithmetic and algebra tools people reach for most often: fraction arithmetic, roots and powers, logarithms, factorials, prime factorisation, greatest common factor and least common multiple, and the averages that sit at the boundary between arithmetic and statistics.
Each calculator shows the working rather than just the answer. If you are checking homework, that matters more than the final number: seeing which step produced a mismatch is what turns a wrong answer into an understood one. Every tool here runs on exact integer arithmetic where exact arithmetic is possible, and falls back to clearly rounded decimals only when a value is genuinely irrational.
Math calculator questions
Are the math calculators free?
Yes — every math calculator on CalcVerse is free to use, with no sign-up and no limit on how many calculations you run.
Do I need to install anything?
No. These are ordinary web pages. They load in any modern browser on desktop, tablet or phone and need no plugin, app or extension.
Where does the calculation happen?
Entirely in your browser, in JavaScript. Nothing you enter is transmitted to a server, which is why the tools keep working if your connection drops.
Can I see the formula being used?
Yes. Every calculator page shows the formula, defines each symbol, and prints the substituted working alongside the result so you can verify it by hand.