Math Calculators & Tools

Free math tools from URTools. No sign-up required.

Average Calculator

Calculate the average of numbers.

Add, subtract, multiply and divide fractions.

Calculate the greatest common divisor.

Calculate the least common multiple.

Calculate percentages, percentage of a number and reverse percentage.

Calculate percentage increase or decrease between two values.

Calculate percentage decrease and new value.

Calculate percentage increase and new value.

Calculate powers and exponents.

Simplify and scale ratios.

Calculate square roots and perfect-square checks.

Browse practical, mobile-friendly tools for common math tasks. Results are generated instantly in your browser wherever possible.