Decimal Calculator

Convert any decimal number into its equivalent fraction, automatically simplified.

Calculate

Enter your values below.

Result

Equivalent fraction
0

Formula used

The decimal is converted using a continued-fraction approximation, then simplified using the greatest common divisor.

Example: 0.75 = 3/4.

How to use this calculator

  1. Enter Decimal number.
  2. Press Calculate to see your result instantly.

Frequently asked questions

How is a decimal converted to a fraction?

The calculator finds the closest simple fraction using a continued-fraction method, then reduces it to lowest terms.

Does it work with repeating decimals?

It approximates repeating decimals like 0.333 as 1/3 within a small tolerance.

Can I enter negative decimals?

Yes, the sign is preserved in the resulting fraction.

Is the fraction always fully simplified?

Yes, the numerator and denominator are always reduced using their greatest common divisor.