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Fraction to decimal converter

Turn a fraction, a mixed number, or an inch fraction into a decimal.

Kind of fraction

A mixed number and an inch fraction both use a whole part.

The top of the fraction. For 5/8, enter 5.

The bottom of the fraction, from 1 up. For 5/8, enter 8.

Result

Fraction to decimal converter

Kind of fraction
Fraction

Decimal

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Enter a numerator and a denominator to see the decimal.

Estimate for planning only. This is not tax, legal, accounting or financial advice. Results depend on the figures you enter. Check all numbers, rates and rules with the official source or a qualified professional before relying on them.

How this works and common questions

About this tool

This converter divides the fraction you type. A mixed number adds the whole part. Inch fractions also become millimetres. Nothing is stored.

How it works

A fraction is the numerator divided by the denominator. A mixed number adds the whole number to that fraction. 3 5/8 is 29/8, which is 3.625000. Inch fractions use the same decimal, then multiply by 25.4 to get millimetres.

Rules

The denominator is at least 1. The decimal shows 6 places, rounded half up. 1/3 is 0.333333. 2/3 is 0.666667. 5/8 is 0.625000. Nothing you type is stored or sent.

Questions

How does 5/8 become a decimal?

Divide 5 by 8. The result is 0.625000.

How does the mixed number 3 5/8 work?

Add 3 to 5/8. That is 29/8, which is 3.625000.

How do inch fractions become millimetres?

The decimal inches are multiplied by 25.4. 3.625000 inches is 92.075000 mm.

Do I need an account?

No. The tools work without one. You only need to sign in to save your work.

Is what I type saved?

No. Nothing is saved unless you sign in and choose Save. Otherwise it stays on the page.

Do you show ads or sell my information?

No. We show no ads and we do not sell your information.

Is this tax or legal advice?

No. Results are estimates for planning. Check rates and rules with the official source or a qualified professional.

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Estimate for planning only. This is not tax, legal, accounting or financial advice. Results depend on the figures you enter. Check all numbers, rates and rules with the official source or a qualified professional before relying on them.