Table of Square Measure
| 144 | square inches (sq. in.) | = | 1 square foot (sq. ft.) |
| 9 | square feet | = | 1 square yard (sq. yd.) |
| 301⁄4 | square yards | = | 1 square rod (sq. rd.) |
| 160 | square rods | = | 1 acre (A.) |
| 640 | acres | = | 1 square mile (sq. mi.) |
Sq. ′ and sq. ′′ are frequently used for square foot and square inch. Thus, 15 sq.′ 6 sq.′′ means 15 square feet 6 square inches.
A square is 100 square feet. It is used in measuring roofing.
Practical Application of Square Measure
PAPERING
Facts about Wall Paper:
(1) Wall paper in this country is 1⁄2 yard wide, and comes in rolls 8 yards long, or in double rolls, 16 yards long.
(2) It is sold by the roll only.
(3) Bordering is sold by the linear yard.