Inverse Calculator
Calculate the multiplicative inverse (reciprocal) of a number. Simply enter a non-zero number to get its reciprocal.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator computes the multiplicative inverse (reciprocal) of any non-zero number. The result is simply 1 ÷ number.
- Enter a number in the input field. Any real number is accepted, including decimals and negative numbers.
- Click "Calculate Inverse" or press the Enter key on your keyboard.
- Read the result displayed as the reciprocal, rounded to 6 decimal places.
Important: The number must not be zero. If you enter zero or leave the field empty, an error message will appear.
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Frequently Asked Questions
An inverse calculator computes the multiplicative inverse (reciprocal) of a number, which is 1 divided by that number.
No, zero does not have a multiplicative inverse because division by zero is undefined.
The reciprocal of a number x is 1/x. For example, the reciprocal of 5 is 0.2.
