Inverse Calculator

Use our free inverse calculator to find the multiplicative inverse (reciprocal) of any number. Enter a value and get 1/x instantly.

Math

Number (X)

Formula

The multiplicative inverse of a number X is 1/X. When a number is multiplied by its inverse, the result is 1. The inverse of 0 is undefined.

Inverse = 1 / X

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

Result: 0.2

The multiplicative inverse of 0 is undefined because division by zero is not possible in mathematics.

The inverse of a fraction a/b is b/a. For example, the inverse of 2/3 is 3/2 (or 1.5).

CalculateMe Team

Last updated: 2026-07-13