Convertools

Reciprocal Calculator

Calculate the reciprocal of a number using 1/x.

Author

Dr. Fatima Al-Rashidi

Math editorial contributor

Kuwaiti epidemiologist trained at Johns Hopkins, leading WHO initiatives on maternal health in the Gulf region

Reviewed by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

0.25 Number =

4 Reciprocal

Representative value from the Reciprocal Calculator reference table.

Reference Values

Browse 20 reference values with individual detail pages for quick lookup.

Browse all reference values

Reciprocal Calculator

Calculate the reciprocal of a number using 1/x.

Calculated Result

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Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Reciprocal Calculator Reference
NumberReciprocal (1/x)
-10 Number-0.1 Reciprocal
-8 Number-0.125 Reciprocal
-6 Number-0.166667 Reciprocal
-5 Number-0.2 Reciprocal
-4 Number-0.25 Reciprocal
-3 Number-0.333333 Reciprocal
-2 Number-0.5 Reciprocal
-1 Number-1 Reciprocal
-0.5 Number-2 Reciprocal
-0.25 Number-4 Reciprocal
0.25 Number4 Reciprocal
0.5 Number2 Reciprocal
1 Number1 Reciprocal
2 Number0.5 Reciprocal
3 Number0.333333 Reciprocal
4 Number0.25 Reciprocal
5 Number0.2 Reciprocal
6 Number0.166667 Reciprocal
8 Number0.125 Reciprocal
10 Number0.1 Reciprocal

Frequently Asked Questions

Common questions about Reciprocal Calculator, formulas, and typical use cases.

What does the Reciprocal Calculator calculator do?

It calculates working with inverses, rates, and algebra transformations from the values you enter.

What formula does the Reciprocal Calculator calculator use?

Reciprocal = 1 / x.

What inputs are valid?

Any finite non-zero number is valid. Zero is not allowed because division by zero is undefined.

When would I use this?

working with inverses, rates, and algebra transformations

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

Editorial metadata (author, reviewer, and update date) is rendered on the page and in structured data. See our editorial policy, review process, and corrections policy.

For compliance-sensitive work, verify final values against project requirements, governing standards, and manufacturer documentation.