MISCELLANEOUS.
| 3 inches | = | 1 palm. |
| 4 inches | = | 1 hand. |
| 6 inches | = | 1 span. |
| 18 inches | = | 1 cubit. |
| 21.8 in. | = | 1 Bible cubit. |
| 2½ feet | = | 1 military pace. |
SQUARE MEASURE.
| 144 sq. in. | = | 1 sq. ft. |
| 9 sq. feet | = | 1 sq. yd. |
| 36¼ sq. yds. | = | 1 sq. rod. |
| 40 sq. rods | = | 1 rood. |
| 4 roods | = | 1 acre. |
| 640 acres | = | 1 sq. mile. |
NUMERICAL TABLE.
| 12 things | = | 1 dozen. |
| 12 dozen | = | 1 gross. |
| 12 gross | = | 1 great gross. |
| 20 things | = | 1 score. |
| 24 sheets | = | 1 quire. |
| 20 quires, or 480 sheets | = | 1 ream. |
SIMPLE FRACTIONS.
| ⁶/₁₀ of 15 = 6 × 15 ÷ 10 = 9 |
| ³/₁₀ of 15 = 3 × 15 ÷ 10 = 4⁵/₁₀ |
| ³/₁₀ of 60 = 3 × 60 ÷ 10 = 18 |
| ⁶/₁₀ of 60 = 6 × 60 ÷ 10 = 36 |
METRIC SYSTEM.
| Meter | = | Unit of length. |
| Gram | = | Unit of weight. |
| Liter | = | Unit of capacity. |