Convert between metric, imperial, and US units. Essential for global industrial trade and engineering.
| From | To | Multiply by |
|---|---|---|
| 1 inch | mm | 25.4 |
| 1 foot | mm | 304.8 |
| 1 m | feet | 3.28084 |
| 1 mile | km | 1.60934 |
| From | To | Multiply by |
|---|---|---|
| 1 kg | lb | 2.20462 |
| 1 lb | kg | 0.453592 |
| 1 tonne | lb | 2204.62 |
| 1 oz | g | 28.3495 |
| Reference Point | °C | °F | K |
|---|---|---|---|
| Water Freezes | 0 | 32 | 273.15 |
| Room Temp | 20 | 68 | 293.15 |
| Body Temp | 37 | 98.6 | 310.15 |
| Water Boils | 100 | 212 | 373.15 |
| From | To | Multiply by |
|---|---|---|
| 1 bar | psi | 14.5038 |
| 1 MPa | psi | 145.038 |
| 1 atm | bar | 1.01325 |
| 1 kgf/cm² | psi | 14.2233 |
| From | To | Multiply by |
|---|---|---|
| 1 kW | HP | 1.34102 |
| 1 HP | kW | 0.7457 |
| 1 kW | PS | 1.35962 |
| 1 HP | W | 745.7 |
| From | To | Multiply by |
|---|---|---|
| 1 N·m | lb·ft | 0.737562 |
| 1 lb·ft | N·m | 1.35582 |
| 1 kgf·m | N·m | 9.80665 |
| 1 N·m | kgf·cm | 10.1972 |
| From | To | Multiply by |
|---|---|---|
| 1 m/s | ft/min | 196.85 |
| 1 m/s | km/h | 3.6 |
| 1 ft/min | m/s | 0.00508 |
| 1 mph | km/h | 1.60934 |
| From | To | Multiply by |
|---|---|---|
| 1 m³/h | L/min | 16.6667 |
| 1 L/s | m³/h | 3.6 |
| 1 GPM | L/min | 3.78541 |
| 1 m³/h | GPM | 4.40287 |