Conversion Data
| Length | Unit | From | To | Multiply |
| 1 inch | in | m | 0.0254 | |
| 1 Meter | m | in | 39.970 | |
| 1 Foot | ft | m | 0.3048 | |
| 1 Meter | m | ft | 3.281 | |
| Area | 1 Square inch | in² | mm² | 645.16 |
| 1 Square meter | m² | in² | 1550 | |
| Volume | 1 Gallon (UK) | gal | L | 4.546 |
| 1 Liter | L | gal (UK) | 0.22 | |
| 1 Gallon (US) | gal | L | 3.78 | |
| 1 Liter | L | gal (US) | 0.264 | |
| Weight | 1 Pound | 1 lb | kg | 0.454 |
| 1 Kilogram | kg | 1 lb | 2.205 | |
| Pressure | 1 Pound per square inch | psi | bar | 0.06895 |
| 1 Bar | bar | psi | 14.5 | |
| 1 Pound per square inch | psi | Mpa | 0.006895 | |
| 1 Mega Pascal | Mpa | psi | 145.035 | |
| 1 Kilo Pascal | Kpa | bar | 0.01 | |
| 1 Bar | bar | Kpa | 100 | |
| 1 Mega Pascal | Mpa | bar | 10 | |
| 1 Bar | bar | Mpa | 0.1 | |
| Velocity | 1 Foot per second | ft/s | m/s | 0.3048 |
| 1 Meter per second | m/s | ft/s | 3.281 | |
| Flow Rate | 1 Gallon per minute (UK) | gal/ min. | l/ min. | 4.546 |
| 1 Liter per minute | l/ min. | gal/ min. (UK) | 0.22 | |
| 1 Gallon per minute (US) | gal/ min. | l/ min. | 3.78 | |
| 1 Liter per minute | l/ min. | gal/ min. (US) | 0.264 | |
| Temperature | Fahrenheit degree | °F | °C | 5/9 (°F-32) |
| Celcius degree | °C | °F | 9x°C/5+32 |