Find the right calculator fast

Search math, dates, units, grades, fractions, tips and discounts. Open a tool, enter your numbers, and check the formula, examples and common mistakes when you need them.

Browse

All calculators

Math

22 calculators

Basic Calculator Enter a math expression and calculate it with standard operation order. Scientific Calculator Calculate powers, roots, logs and trigonometry with degree or radian mode. Percentage Calculator Calculate percentages, percent change and percentage difference without setting up the formula by hand. Percentage Change Calculator Find the percent increase or decrease from an old value to a new value. Percentage Increase Calculator Increase a number by a percent and see the added amount and final value. Percentage Difference Calculator Compare two values and find their percentage difference without choosing a starting value. Fraction Calculator Add, subtract, multiply and divide fractions with simplified results. Mixed Number Calculator Add, subtract, multiply or divide mixed numbers and get a simplified result. Ratio Calculator Simplify a ratio and compare two values in the smallest whole-number form. Proportion Calculator Solve a simple proportion and find the missing value in a:b = c:x. Average Calculator Find the average of a list of numbers and see the count and sum. Random Number Generator Generate one or more random integers inside a chosen range. Rounding Calculator Round numbers to decimal places or significant figures. Scientific Notation Calculator Convert large or small numbers into scientific notation. Square Root Calculator Find the principal square root of a non-negative number. Exponent Calculator Raise a base number to any exponent and see the power result. Logarithm Calculator Find a logarithm with any positive base other than 1. Factorial Calculator Calculate n factorial for whole numbers and understand what n! means. GCF Calculator Find the greatest common factor of two or more whole numbers. LCM Calculator Find the least common multiple of two or more whole numbers. Prime Factorization Calculator Break a whole number into prime factors. Modulo Calculator Find the remainder after division, including a non-negative modulo result.

Date and Time

12 calculators

Converters

6 calculators

Geometry

3 calculators

Education

3 calculators

Everyday

2 calculators

Statistics

2 calculators