Ratio converter
Decimal to Ratio Calculator
Convert a decimal to a whole-number ratio and reduce it to simplest form.
Convert decimal to ratio
Simplified ratio
Working:
Example: 0.75 = 75/100. Written as a ratio that is 75:100, which simplifies to 3:4.
How decimal-to-ratio conversion works
The digits after the decimal point determine the denominator. A decimal with two places is written over 100; a decimal with three places is written over 1,000. The resulting numerator and denominator can then be simplified as a ratio.
Decimal to ratio FAQs
How do you convert a decimal to a ratio?
Write the decimal as a fraction over a power of 10, then use numerator:denominator and simplify. For example, 0.75 = 75/100 = 75:100 = 3:4.
What ratio is 0.5?
0.5 = 5/10, which simplifies to the ratio 1:2.
What ratio is 1.5?
1.5 = 15/10, so the simplified ratio is 3:2.
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Fraction to ratio calculator · Percentage to ratio calculator · Ratio simplifier