| English to Metric | ||
|---|---|---|
| From | To | Multiply by |
| Distance | ||
| inches | mm | 25.4 |
| inches | cm | 2.54 |
| inches | meters | 0.0254 |
| feet | meters | 0.3048 |
| yards | meters | 0.9144 |
| miles | km | 1.6093 |
| Area | ||
| square inches | square cm | 6.4516 |
| square feet | square meter | 0.0929 |
| square yards | square meter | 0.8361 |
| square miles | square km | 2.59 |
| acres | hectares | 0.4047 |
| Volume | ||
| cubic inches | cubic cm | 16.387 |
| cubic inches | liter | 0.01639 |
| cubic feet | cubic meter | 0.02832 |
| cubic feet | liter | 28.3169 |
| cubic yard | cubic meter | 0.7646 |
| fluid oz | cubic cm | 29.573 |
| US gallon | cubic meter | 0.00379 |
| US gallon | liter | 3.7854 |
| Weight | ||
| ounces | grams | 28.35 |
| ounces | Kg | 0.02835 |
| pounds | Kg | 0.4536 |
| pounds | metric tons | 0.00045 |
| US tons | Kg | 907.18 |
| US tons | metric tons | 0.9072 |
| long tons | Kg | 1016.05 |
| long tons | metric tons | 1.016 |
| Metric to English | ||
|---|---|---|
| From | To | Multiply by |
| Distance | ||
| mm | inches | 0.03937 |
| cm | inches | 0.3937 |
| meters | inches | 39.37 |
| meters | feet | 3.281 |
| meters | yards | 1.0936 |
| km | miles | 0.6214 |
| Area | ||
| square cm | square inches | 0.155 |
| square meter | square feet | 10.764 |
| square meter | square yard | 1.196 |
| square km | square miles | 0.3861 |
| hectares | acres | 2.471 |
| Volume | ||
| cubic cm | cubic inches | 0.06102 |
| cubic cm | fluid oz | 0.03381 |
| cubic meter | cubic feet | 35.3147 |
| cuber meter | cubic yard | 1.308 |
| cubic meter | US gallon | 264.17 |
| liter | cubic inches | 61.024 |
| liters | cubic feet | 0.03531 |
| liter | US gallon | 0.2642 |
| Weight | ||
| grams | ounces | 0.03527 |
| Kg | ounces | 35.274 |
| Kg | pounds | 2.205 |
| Kg | US tons | 0.0011 |
| Kg | long tons | 0.00098 |
| metric tons | pounds | 2204.62 |
| metric tons | US tons | 1.1023 |
| metric tons | long tons | 0.9842 |
海空網絡(香港)有限公司成立於1995年，
是海空運貨運代理及物流供應鏈的專業供應商, 並擁有AEO香港認可經濟營運商、ISO 9001、ISO 14001、ISO 28000、TAPA等認證。
海空網絡是首批獲香港民航處頒發有管制空運貨物安檢設施的公司（登記冊編號為RF0002）。
海空網絡於2019年12月24日榮獲歐盟管制代理人( RA3) 認證。RA3為第三國家進入歐盟的航空安全驗證管制代理人設施。