Decimal
0.625
What is 5/8 as a decimal and percent?
Answer
5/8 as a decimal is 0.625. As a percent, 5/8 is 62.5%.
Percent
62.5%
Step-by-step working
1
Divide the numerator by the denominator
To turn any fraction into a decimal, divide the top by the bottom.
5 ÷ 8 = 0.625
2
Multiply by 100 for the percent
Percent means "out of one hundred". Multiplying a decimal by 100 (or moving the decimal point two places to the right) gives the percent value.
0.625 × 100 = 62.5%
3
Round if needed
In this case 5/8 produces a clean terminating decimal — no rounding is needed.
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Decimal
0.625
Percent
62.5%
About this fraction
Five-eighths comes up in golden-ratio approximations (0.618 ≈ φ−1), photography (5/8 second exposures), and imperial DIY measurements. The decimal 0.625 is exact.
Common conversions
Related fractions and their decimal / percent values for quick comparison.
| Fraction | Decimal | Percent |
|---|---|---|
| 1/8 | 0.125 | 12.5% |
| 3/8 | 0.375 | 37.5% |
| 5/8 | 0.625 | 62.5% |
| 7/8 | 0.875 | 87.5% |
| 1/2 | 0.5 | 50% |
| 1/3 | 0.(3) | 33.3333% |
| 2/3 | 0.(6) | 66.6667% |
Frequently asked questions
What is 5/8 as a decimal?
5/8 as a decimal is 0.625. The decimal terminates cleanly. Divide the numerator by the denominator: 5 ÷ 8 = 0.625. For most everyday work, round to two or three decimal places.
What is 5/8 as a percent?
5/8 as a percent is 62.5%. Take the decimal value (0.625) and move the decimal point two places to the right — the same as multiplying by 100.
Is 5/8 already in lowest form?
Yes. 5/8 is already in lowest form because the greatest common divisor of 5 and 8 is 1.
Does 5/8 terminate or recur as a decimal?
5/8 terminates as a decimal. The denominator (after simplifying to 5/8) has only 2 and 5 as prime factors, so the long division ends.