Avoirdupois Weight
27 11/32 grains ..... 1 dram
16 drams ..... 1 ounce
16 ounces ..... 1 pound
2,240 pounds ..... 1 long ton
25 pounds ..... 1 quarters
4 quarters ..... 1 cwt
2,000 pounds ..... 1 short ton

Square Measure
144 sq. inches ..... 1 link
9 sq. feet ..... 1 sq. yard
30 1/4 sq. yards ..... 1 sq. rod
40 sq. rods ..... 1 rood
4 roods ..... 1 acre
640 acres ..... 1 sq. mile

Surveyors' Measure
7.92 inches ..... 1 link
25 links ..... 1 rod
4 rods ..... 1 chain
10 sq. chains or 160 sq. rods ..... 1 acre
640 acres ..... 1 sq. mile
36 sq. miles ..... 1 township

Mariners' Measure
6 feet ..... 1 fathom
120 fathoms ..... 1 cable length
7 1/2 cable lengths ..... 1 mile
5,280 feet ..... 1 statute mile
6,076.1 feet ..... 1 nautical mile

Temperature Conversions
Degrees F - 32 x 5/9 = Degrees Celsius
Degrees C + 17.78 x 1.8 = Degrees Fahrenheit

Force Conversions
lbs. x 0.004448 = kN
Long Measure
12 inches ..... 1 foot
3 feet ..... 1 yard
5 1/2 yards ..... 1 pound
2,240 pounds ..... 1 rod
40 rods ..... 1 furlong
8 furlongs ..... 1 statute mile
3 miles ..... 1 league

Cubic Measure
1,728 cubic inches ..... 1 cubic foot
27 cubic feet ..... 1 cubic yard
128 feet ..... 1 cord (wood)
40 cubic feet ..... 1 ton (shipping)
2,1540.42 cubic inches ..... 1 standard bushel
231 cubic inches ..... 1 US standard gallon
1 cubic foot ..... about 4/5 of a bushel
1 cubic centimeter ..... 0.061 cubic inch
1 cubic inch ..... 16.39 cubic centimeters
1 cubic decimeter ..... 0.0353 cubic foot
1 cubic foot ..... 28.317 cubic decimeters
1 cubic meter ..... 1.308 cubic yards
1 cubic yard ..... 0.7646 cubic meter
1 stere ..... 0.2759 cord
1 cord ..... 3.624 steres
1 quart dry ..... 1.101 liters
1 liter ..... 0.908 quart dry
1 liter ..... 1.0567 quarts liquid
1 quart liquid ..... 0.9463 liter
1 dekaliter ..... 2.6417 gallons
1 dekaliter ..... 1.135 pecks
1 gallon ..... 0.3785 dekaliter
1 peck ..... 0.881 dekaliter
1 bushel ..... 0.3524 hectoliter

Power Conversions
SAE net hp x 0.7457 = kW
kW x 1.341 = SAE net hp

Pressure Conversions
psi x 0.0703 = kg/cm2
psi x 0.06895 = bar
psi x 6.8595 kPa




Erb Equipment Phone Numbers