Percentage Calculator
Find a percentage of a number, what percent one number is of another, or the whole from a part.
Find the absolute value of a number, or solve the equation |x − a| = b.
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Enter your values after choosing the type of calculation in the tabs. The result updates as you type; press Calculate to confirm and jump to the result on mobile. Use Share to send the calculator with your result.
The absolute value |x| is a number’s distance from 0, so it’s never negative: |−7.5| = 7.5 and |7.5| = 7.5. The equation |x − a| = b asks for points a distance b from a, giving x = a − b or x = a + b (one solution if b = 0, none if b < 0).
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Find a percentage of a number, what percent one number is of another, or the whole from a part.
List every factor of a whole number, its factor pairs and its prime factorization.
Calculate the volume of a cube, box, cylinder, sphere, cone or pyramid in any unit, with liters and gallons.
Convert numbers to and from scientific notation, E-notation and engineering notation.
Find the greatest common factor (GCF) of two or more whole numbers, with the Euclidean steps and the LCM.
Raise any number to a power, including negative and fractional exponents.