Fraction to Decimal Calculator
Convert fractions to decimals and decimals to fractions instantly
Tip
Click any row in the table below to load that fraction or decimal into the calculator.
Common Fractions Reference Table
| Fraction | Decimal | Percentage |
|---|---|---|
| 1/2 | 0.5 | 50% |
| 1/3 | 0.333333 | 33.3333% |
| 2/3 | 0.666667 | 66.6667% |
| 1/4 | 0.25 | 25% |
| 3/4 | 0.75 | 75% |
| 1/5 | 0.2 | 20% |
| 2/5 | 0.4 | 40% |
| 3/5 | 0.6 | 60% |
| 4/5 | 0.8 | 80% |
| 1/6 | 0.166667 | 16.6667% |
| 5/6 | 0.833333 | 83.3333% |
| 1/8 | 0.125 | 12.5% |
| 3/8 | 0.375 | 37.5% |
| 5/8 | 0.625 | 62.5% |
| 7/8 | 0.875 | 87.5% |
| 1/10 | 0.1 | 10% |
| 3/10 | 0.3 | 30% |
| 7/10 | 0.7 | 70% |
| 9/10 | 0.9 | 90% |
| 1/100 | 0.01 | 1% |
Frequently Asked Questions
3/4 as a decimal is 0.75. Divide the numerator (3) by the denominator (4): 3 ÷ 4 = 0.75. As a percentage it is 75%.
1/3 as a decimal is 0.3333… (repeating). It is a recurring decimal: 1 ÷ 3 = 0.333333…. As a percentage it is approximately 33.33%. To 2 decimal places it is written as 0.33.
Write the decimal as a fraction over a power of 10 then simplify. For example, 0.75 = 75/100 = 3/4 (divide both by 25). For 0.125: 125/1000 = 1/8 (divide by 125). For repeating decimals like 0.333…, use algebra: let x = 0.333…, then 10x = 3.333…, so 9x = 3, giving x = 1/3.
0.5 is equal to 1/2. Other equivalent fractions include 2/4, 3/6, 4/8, and 5/10 — all simplify to 1/2. As a percentage, 0.5 = 50%.