| Length | Conversion |
|---|
| 1 lego brick | 8 mm |
| 1 inch | 25.4 mm |
| 1 foot | 0.3048 m |
| 1 yard | 0.9144 m |
| 1 minute walk | 80 m |
| 1 mile | 1.609344 km |
| Area | Conversion |
|---|
| 1 square inch | 645.16 mm² |
| 1 square foot | 0.09290304 m² |
| 1 square yard | 0.83612736 m² |
| 1 acre | 0.40468564224 ha |
| 1 US football field | 0.5351215104 ha |
| 1 square mile | 2.589988110336 km² |
| Speed | Conversion |
|---|
| 1 foot per second | 0.3048 m/s |
| 1 mile per hour | 0.44704 m/s |
| 1 mach | 343.6 m/s |
| 1 light speed | 299792458 m/s |
| Mass | Conversion |
|---|
| 1 carat | 0.2 g |
| 1 ounce | 28.349523125 g |
| 1 pound | 0.45359237 kg |
| 1 stone | 6.35029318 kg |
| 1 short ton | 0.90718474 tonne |
| 1 long ton | 1.0160469088 tonne |
| Volume | Conversion |
|---|
| 1 water drop | 0.05 mL |
| 1 teaspoon | 4.92892159375 mL |
| 1 tablespoon | 14.78676478125 mL |
| 1 cubic inch | 16.387064 mL |
| 1 fluid ounce | 29.5735295625 mL |
| 1 cup | 0.2365882365 L |
| 1 soda can | 0.35488235475 L |
| 1 pint | 0.473176473 L |
| 1 soda bottle | 0.5 L |
| 1 quart | 0.946352946 L |
| 1 gallon | 3.785411784 L |
| 1 cubic foot | 0.028316846592 m³ |
| 1 cubic yard | 0.764554857984 m³ |
| 1 cubic mile | 4.168181825440579584 km³ |