Decimal
0.05
What is 1/20 as a decimal and percent?
Answer
1/20 as a decimal is 0.05. As a percent, 1/20 is 5%.
Percent
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.
1 ÷ 20 = 0.05
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.
0.05 × 100 = 5%
3
Round if needed
In this case 1/20 produces a clean terminating decimal — no rounding is needed.
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Decimal
0.05
Percent
5%
About this fraction
One-twentieth equals 5% — used in commission rates, sales tax in some countries, and golf handicap calculations. The decimal 0.05 is exact.
Common conversions
Related fractions and their decimal / percent values for quick comparison.
| Fraction | Decimal | Percent |
|---|---|---|
| 1/20 | 0.05 | 5% |
| 3/20 | 0.15 | 15% |
| 7/20 | 0.35 | 35% |
| 9/20 | 0.45 | 45% |
| 11/20 | 0.55 | 55% |
| 13/20 | 0.65 | 65% |
| 17/20 | 0.85 | 85% |
Frequently asked questions
What is 1/20 as a decimal?
1/20 as a decimal is 0.05. The decimal terminates cleanly. Divide the numerator by the denominator: 1 ÷ 20 = 0.05. For most everyday work, round to two or three decimal places.
What is 1/20 as a percent?
1/20 as a percent is 5%. Take the decimal value (0.05) and move the decimal point two places to the right — the same as multiplying by 100.
Is 1/20 already in lowest form?
Yes. 1/20 is already in lowest form because the greatest common divisor of 1 and 20 is 1.
Does 1/20 terminate or recur as a decimal?
1/20 terminates as a decimal. The denominator (after simplifying to 1/20) has only 2 and 5 as prime factors, so the long division ends.