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Math & Utility Calculators

Essential math tools — percentages, fractions, averages, time calculations, and scientific functions.

arithmetic

Three modes: find X% of Y, what % is X of Y, and percentage change.

Add, subtract, multiply, and divide fractions with step-by-step results.

Simplify ratios, solve proportions, and scale ratios to target values.

Calculate mean, median, mode, range, and standard deviation for a dataset.

Full scientific calculator with trigonometry, logarithms, and power functions.

Convert numbers between binary, octal, decimal, and hexadecimal.

Generate random numbers, integers, or unique sets within any range.

Add or subtract time durations and convert between time units.

Calculate exact age in years, months, days, hours, and minutes from DOB.

Convert length, weight, temperature, volume, area, and speed units.