How to Convert 1/8
1. Divide the numerator by the denominator
1 ÷ 8 = 0.125.
2. Multiply the decimal by 100
0.125 × 100 gives 12.5%.
3. Add the percent sign
The final percent form of 1/8 is 12.5%.
Direct answer
1/8 is 0.125 as a decimal and 12.5% as a percentage.
Enter whole-number numerator and denominator values. Results update instantly.
1/8
0.125
12.5%
2/16 · 3/24 · 4/32
1 ÷ 8 = 0.125.
0.125 × 100 gives 12.5%.
The final percent form of 1/8 is 12.5%.
Multiply the numerator and denominator by the same non-zero whole number. The written numbers change, but the ratio stays equal.
| Multiplier | Calculation | Equivalent fraction | Cross-product check |
|---|---|---|---|
| × 2 | (1 × 2) / (8 × 2) | 2/16 | 1 × 16 = 8 × 2 |
| × 3 | (1 × 3) / (8 × 3) | 3/24 | 1 × 24 = 8 × 3 |
| × 4 | (1 × 4) / (8 × 4) | 4/32 | 1 × 32 = 8 × 4 |
| × 5 | (1 × 5) / (8 × 5) | 5/40 | 1 × 40 = 8 × 5 |
| × 6 | (1 × 6) / (8 × 6) | 6/48 | 1 × 48 = 8 × 6 |
| × 7 | (1 × 7) / (8 × 7) | 7/56 | 1 × 56 = 8 × 7 |
This fraction is a practical example for comparing proportions, probabilities, ratios, and parts of a collection.
Learning tip: Check your decimal by multiplying it by the denominator; the result should return the numerator.
Divide 1 by 8. The decimal form is 0.125.
Multiply its decimal value by 100. The result is 12.5%.
Yes. Its simplified denominator has no prime factors other than 2 or 5.
1/8 simplifies to 1/8. This does not change its decimal or percentage value.