Reciprocal Calculator

Calculate the reciprocal of a number — 1 divided by that number — a value that when multiplied by the original always gives 1.

Inputs
Results
Reciprocal
0.125

Try an example

Formula

Reciprocal of x = 1 / x

Learn How This Works

Number Theory and Sequences: Fibonacci, Combinations, and Basic Operations

The Fibonacci sequence, combinations with repetition, sums of consecutive integers, reciprocals, and absolute value — five foundational number theory calculations.

Frequently Asked Questions

Related Calculators

Absolute Value Calculator

Calculate the absolute value of any number.

Percentage Calculator

Find what percentage one number is of another, or calculate percentage change.

Percentage Change Calculator

Calculate the percentage increase or decrease between two values.

Quadratic Equation Solver

Solve ax² + bx + c = 0 for real roots using the quadratic formula.

Average (Mean) Calculator

Calculate the average of up to 10 numbers.

Standard Deviation Calculator

Calculate the population standard deviation of up to 5 numbers.