Convert any A:B ratio to a percentage, or enter a percentage to get it as a simplified ratio — instantly.
| Ratio (A:B) | Fraction | Percentage | Decimal | As Parts of Total |
|---|---|---|---|---|
| 1:1 | 1/1 | 100%exact | 1 | 1 in 2 (50%) vs 1 in 2 (50%) |
| 1:2 | 1/2 | 50%exact | 0.5 | 1 in 3 (33.33%) vs 2 in 3 (66.67%) |
| 1:3 | 1/3 | 33.3333% | 0.333333 | 1 in 4 (25%) vs 3 in 4 (75%) |
| 1:4 | 1/4 | 25%exact | 0.25 | 1 in 5 (20%) vs 4 in 5 (80%) |
| 1:5 | 1/5 | 20%exact | 0.2 | 1 in 6 (16.67%) vs 5 in 6 (83.33%) |
| 1:8 | 1/8 | 12.5% | 0.125 | 1 in 9 (11.11%) vs 8 in 9 (88.89%) |
| 1:10 | 1/10 | 10%exact | 0.1 | 1 in 11 (9.09%) vs 10 in 11 (90.91%) |
| 1:20 | 1/20 | 5%exact | 0.05 | 1 in 21 (4.76%) vs 20 in 21 (95.24%) |
| 1:100 | 1/100 | 1%exact | 0.01 | 1 in 101 (0.99%) vs 100 in 101 (99.01%) |
| 2:3 | 2/3 | 66.6667% | 0.666667 | 2 in 5 (40%) vs 3 in 5 (60%) |
| 2:5 | 2/5 | 40%exact | 0.4 | 2 in 7 (28.57%) vs 5 in 7 (71.43%) |
| 2:8 | 2/8 | 25%exact | 0.25 | 2 in 10 (20%) vs 8 in 10 (80%) |
| 3:4 | 3/4 | 75%exact | 0.75 | 3 in 7 (42.86%) vs 4 in 7 (57.14%) |
| 3:5 | 3/5 | 60%exact | 0.6 | 3 in 8 (37.5%) vs 5 in 8 (62.5%) |
| 3:7 | 3/7 | 42.8571% | 0.428571 | 3 in 10 (30%) vs 7 in 10 (70%) |
| 3:8 | 3/8 | 37.5% | 0.375 | 3 in 11 (27.27%) vs 8 in 11 (72.73%) |
| 4:5 | 4/5 | 80%exact | 0.8 | 4 in 9 (44.44%) vs 5 in 9 (55.56%) |
| 4:7 | 4/7 | 57.1429% | 0.571429 | 4 in 11 (36.36%) vs 7 in 11 (63.64%) |
| 5:6 | 5/6 | 83.3333% | 0.833333 | 5 in 11 (45.45%) vs 6 in 11 (54.55%) |
| 5:8 | 5/8 | 62.5% | 0.625 | 5 in 13 (38.46%) vs 8 in 13 (61.54%) |
| 7:8 | 7/8 | 87.5% | 0.875 | 7 in 15 (46.67%) vs 8 in 15 (53.33%) |
| 7:10 | 7/10 | 70%exact | 0.7 | 7 in 17 (41.18%) vs 10 in 17 (58.82%) |
| 9:10 | 9/10 | 90%exact | 0.9 | 9 in 19 (47.37%) vs 10 in 19 (52.63%) |
| Percentage | Simplified Ratio | Fraction | Decimal |
|---|---|---|---|
| 10% | 1:10 | 1/10 | 0.1 |
| 12.5% | 1:8 | 1/8 | 0.125 |
| 20% | 1:5 | 1/5 | 0.2 |
| 25% | 1:4 | 1/4 | 0.25 |
| 33.33% | 1:3 | 1/3 | 0.3333 |
| 37.5% | 3:8 | 3/8 | 0.375 |
| 40% | 2:5 | 2/5 | 0.4 |
| 50% | 1:2 | 1/2 | 0.5 |
| 60% | 3:5 | 3/5 | 0.6 |
| 62.5% | 5:8 | 5/8 | 0.625 |
| 66.67% | 2:3 | 2/3 | 0.6667 |
| 75% | 3:4 | 3/4 | 0.75 |
| 80% | 4:5 | 4/5 | 0.8 |
| 87.5% | 7:8 | 7/8 | 0.875 |
| 90% | 9:10 | 9/10 | 0.9 |
| 100% | 1:1 | 1/1 | 1 |
| 125% | 5:4 | 5/4 | 1.25 |
| 150% | 3:2 | 3/2 | 1.5 |
| 200% | 2:1 | 2/1 | 2 |