Metric Conversions
| If you know: | Multiply by: | To find: |
| Inches | 2.5 | centimeters |
| Feet | 0,3 | meters |
| Miles | 1.6 | kilometers |
| Gallons | 4.5 | liters |
| Pounds | 0.45 | kilograms |
| Acres | 0.4 | hectares |
| Square feet | 0.09 | square meters |
| Miles per hour | 1.6 | kilometers per hour |
To convert miles per gallon to liters per 100 kilometers, divide 282 by the number of miles per gallon. For example, 30 miles per gallon is 282/30 = 9.4 liters per 100 kilometers.