Basic Units of Length | |
12 inches | 1 foot |
3 feet | 1 yard |
1760 yards | 1 statute mile |
5280 feet | 1 statute mile |
Basic units of Area | |
144 sq. in. | 1 sq. ft. |
1296 sq. in. | 1 sq. yd. |
9 sq. feet | 1 sq. yd. |
43560 sq. ft. | 1 acre |
4840 sq. yd. | 1 acre |
640 acres | 1 sq. mile |
Area: Acres to sq. feet | ||
Acre Fraction | Acre Decimal | Square Feet |
1/100 | .01 | 435 |
1/10 | .1 | 4,356 |
1/4 | .25 | 10,890 |
1/2 | .50 | 21,780 |
3/4 | .75 | 32,670 |
1 | 1.0 | 43,560 |
Basic units of cubic measure | |
1,728 cu. in. | 1 cu. foot |
27 cu. ft. | 1 cu. yard |
Decimal fractions for inches - as a part of 1 foot | ||||
0" | 1/4" | 1/2" | 3/4" | |
1" | .083 | .021 | .042 | .063 |
2" | .167 | .188 | .208 | .229 |
3" | .250 | .271 | .292 | .313 |
4" | .333 | .354 | .375 | .396 |
5" | .417 | .438 | .458 | .479 |
6" | .500 | .521 | .542 | .563 |
7" | .583 | .604 | .625 | .646 |
8" | .667 | .688 | .708 | .729 |
9" | .750 | .771 | .792 | .813 |
10" | .833 | .854 | .875 | .896 |
11" | .918 | .938 | .958 | .979 |
Some formulas require using inches in their decimal fraction. |
Fractions for whole inches are found under column 0". |
When determining decimal fraction reading for whole inches plus a fractional part - |
Find the point where the whole inch reading, intersects with the fractional reading. |
Example: 1" = .083, 5 1/2" = .458 |