14 tools

Number & Math

Calculators and converters for math and numbers. Every tool below is free, needs no account, and has its own page explaining how it works.

Easily find percentages, increases, or ratios.

Calculate your Body Mass Index (BMI) and health category.

Find your precise age in years, months, weeks, and days.

Calculate monthly EMI payments, total interest, and payout amount.

Calculate tip percentages and split the bill among diners.

Convert values across length, weight, and temperature metrics.

Translate standard decimals to Roman Numerals and vice-versa.

Perform radix conversions across binary, octal, decimal, and hex bases.

Generate lists of random integers within a custom range.

Check if a number is prime and identify its factors.

Determine exact sale prices and savings including optional taxes.

Evaluate complex mathematical expressions including trigonometry, logarithms, and roots.

Translate numeric integers into written English word representations.

Translate numeric structures between Binary, Octal, Decimal, and Hexadecimal representations.

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