WEIGHTS AND MEASURES.
Weight.
| 144 dirhem | make | 1 rotl or pound | = | ⋅99 | lb. av. | English. |
| 400 dirhem | „ | 1 oqqa | = | 2⋅75 | „ | „ |
| 1 kantar | = | 99⋅05 | „ | „ |
Length
| 1 pik (the principal measure for cloth and silk) | =26⋅8 in. | „ |
| 1 qasab | = 11 ft. 7⋅76in. | „ |
Surface.
| 400 square qasab make 1 feddan, or acre | =1 acre 6 rods | „ |
Capacity.
| 24 rub'a make 1 ardeb | =5⋅44 bushels | „ |
N.B.—The metric system is commonly used for weight and length.