Decimal to Fraction

Write the decimal as a fraction over a power of 10, then simplify by dividing by the GCD. Repeating decimals like 0

The calculator uses the standard published formula for decimal to fraction. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, watts. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Write over power of 10: 0.75 = 75/100. Each step in the calculation is shown so you can verify the result manually.