Weights and Measures Tables
| AVOIRDUPOIS OR COMMERCIAL WEIGHT |
|---|
| 1 gross or long ton (l. tn.) |
= |
2240 pounds |
| 1 net or short ton (sh. tn.) |
= |
2000 pounds |
| 1 long hundred weight (l. cwt.) |
= |
112 pounds |
| 1 short hundred weight (sh. cwt.) |
= |
100 pounds |
| 1 pound (lb.) = 16 ounces (oz.) |
= |
7000 grains (gr.) |
| 1 ounce (oz.) = 16 drams (dr.) |
= |
437.5 grains |
| APOTHECARIES' WEIGHT |
|---|
| 1 pound (lb. ap.) |
= |
12 ounces |
= |
5760 grains |
| 1 ounce (oz. ap.) |
= |
8 drams |
= |
480 grains |
| 1 dram (dr. ap.) |
= |
3 scruples |
= |
60 grains |
| 1 scruple (s. ap.) |
= |
20 grains |
|
|
| METRIC EQUIVALENTS AVOIRDUPOIS OR COMMERCIAL WEIGHT |
|---|
| 1 long ton |
= |
1.016 metric ton |
= |
1016 kilograms |
| 1 short tun |
= |
0.9072 metric ton |
= |
907.2 kilograms |
| 1 pound av. |
= |
0.4356 kilograms |
= |
453.6 grams |
| 1 ounce av. |
= |
28.35 grams (g) |
|
|
| 1 grain (gr.) |
= |
0.0648 gram (g) |
|
|
| TROY WEIGHT |
|---|
| 1 pound (lb. t.) |
= |
12 ounces |
= |
5760 grains |
| 1 ounce (oz. t.) |
= |
20 pennyweights |
= |
480 grains |
| 1 pennyweight (dwt.) |
= |
24 grains |
|
|
| METRIC WEIGHT |
|---|
| 1 metric ton (t) |
= |
1000 kilograms |
|
|
| 1 kilogram (or kilo) (kg) |
= |
1000 grams |
= |
10 hectograms |
| 1 hectogram (hg) |
= |
100 grams |
= |
10 dekagrams |
| 1 dekagram (dkg) |
= |
10 grams |
|
|
| 1 gram (g) |
= |
10 decigrams |
|
|
| 1 decigram (dg) |
= |
10 centigrams |
|
|
| 1 centigram (cg) |
= |
10 milligrams (mg) |
|
|
| AVOIRDUPOIS EQUIVALENTS OF METRIC WEIGHT |
|---|
| 1 ton (metric) |
= |
0.9842 long ton |
= |
2204.6 pounds av. |
| 1 ton (metric) |
= |
1.1023 short ton |
= |
2204.6 pounds av. |
| 1 kilogram |
= |
2.2046 pounds av. |
= |
35.274 ounces av. |
| 1 gram |
= |
0.03527 ounces av. |
|
|
| 1 gram |
= |
15.432 grains |
|
|
| TROY AND APOTHECARIES' WEIGHTS EQUIVALENTS IN AVOIRDUPOIS AND METRIC WEIGHT |
|---|
| 1 pound Troy or apothecaries' |
= |
0.82286 pounds avoirdupois |
= |
373.2 grams |
| 1 ounce Troy or apothecaries' |
= |
1.09714 ounce avoirdupois |
= |
31.103 grams |
| 1 grain Troy or apothecaries' |
= |
1 grain avoirdupois |
= |
0.0648 gram |
| 1 pound avoirdupois |
= |
1.21528 pound Troy or apothecaries' |
|
|
| 1 kilogram (kg) |
= |
32.1507 ounce Troy or apothecaries' |
|
|
| 1 gram (g) |
= |
0.0322 ounce Troy or apothecaries' |
|
|
| MEASURES OF LENGTH |
|---|
| 1 mile (mi.) |
= |
1760 yards |
= |
5280 feet |
= |
1.609 kilometers |
| 1 yard (yd.) |
= |
3 feet |
= |
36 inches |
= |
0.9144 meter |
| 1 foot (ft.) |
= |
12 inches |
= |
304.8 millimeters |
|
|
| 1 inch (in.) |
= |
25.4 millimeters |
|
|
|
|
| 1 kilometer (km) |
= |
1000 meter |
|
|
|
|
| 1 meter (m) |
= |
10 decimeter |
= |
3.2808 feet |
= |
39.37 inches |
| 1 decimeter (dm) |
= |
10 centimeter |
= |
3.937 inches |
|
|
| 1 centimeter (cm) |
= |
10 millimeter (mm) |
= |
0.3937 inches |
|
|
| FLUID POWER EQUIVALENTS / EXACT EQUIVALENTS |
|---|
| 1 U.S. gallon |
= |
231 cubic inches |
| |
= |
4 quarts or 8 pints |
| |
= |
128 ounces (liquid) |
| |
= |
133.37 ounces (weight) |
| |
= |
8.3356 pounds |
| |
= |
3.785 liters |
| 1 imperial gallon |
= |
1.2 U.S. gallons |
| 1 Liter |
= |
0.2642 U.S. gallons |
| 1 cubic foot |
= |
7.48 gallons |
| |
= |
1728 cubic inches |
| |
= |
62.4 pounds (water) |
| |
= |
760 mm Hg |
| 1 Cu. ft. water |
= |
62.4 pounds |
| 1 Bar at sea level |
= |
14.504 PSI |
| Approx. 1/2 PSI decrease |
each |
1000 foot of elevation |
| 1 "Hg |
= |
0.490 PSI |
| |
= |
1.131 ft. water |
| 1 horsepower |
= |
33,000 ft. lbs. per minute |
| |
= |
550 ft. lbs. per second |
| |
= |
42.4 BTU per minute |
| |
= |
2545 BTU per hour |
| |
= |
746 watts or 0.746 kw |
| 1 PSI |
= |
2.0416 "Hg |
| |
= |
27.72 " water |
| |
= |
27.71 bar |
| 1 Atmosphere |
= |
1.013 bars |
| |
= |
29.921 "Hg |
| |
= |
14.696 PSI |
| |
= |
760 mm Hg |
| 1 Foot water column |
= |
0.432 PSI |
| 1 Foot oil column |
= |
0.354 PSI |
| 1 Barrel oil |
= |
42 gallons |
| 1 Micro-meter (micron) |
= |
0.000001 meter |
| |
= |
0.001 centimeter |
| |
= |
0.00004 inch |
| 25 Micro-meters |
= |
0.001 inch |
| FLUID POWER EQUIVALENTS / APPROXIMATE EQUIVALENTS |
|---|
| 1 Pint |
= |
2 cups |
| 2 cups |
= |
32 tablespoons |
| 32 tablespoons |
= |
96 teaspoons |
| 96 teaspoons |
= |
16 fluid ounces |
| 16 fluid ounces |
= |
1 lb. |
| |
| 1 Quart |
= |
4 cups |
| 4 cups |
= |
2 pints |
| 2 pints |
= |
32 fluid ounces |
| 32 fluid ounces |
= |
2 pounds |
| |
| 1 Gallon |
= |
16 cups |
| 16 cups |
= |
4 quarts |
| 4 quarts |
= |
8 pints |
| 8 pints |
= |
128 fluid ounces |
| 128 fluid ounces |
= |
231 cubic inches |
| |
| 1 Cup |
= |
16 tablespoons |
| 16 tablespoons |
= |
48 teaspoons |
| |
| 1 Tablespoon |
= |
3 tsp. |
| 3 tsp. |
= |
1/2 fluid ounce |
| |
| 1 Fluid oz. (volume) |
= |
600 drops hydraulic oil |
| |
| 1 Cubic inch |
= |
330 drops (oil) |
| FLUID POWER ABBREVIATIONS |
| abs |
absolute (as in psia) |
| A-C |
alternating current |
| Bhn |
Brinell hardness number |
| Btu |
British thermal unit |
| C |
degrees Centigrade (Celsius) |
| cc |
closed center |
| ccw |
counter clockwise |
| cfm |
cubic feet per minute |
| cfs |
cubic feet per second |
| cir |
cubic inches per revolution |
| cim |
cubic inches per minute |
| com |
common |
| cpm |
cycles per minute |
| cps |
cycles per second |
| cu.in/rev |
cubic inches per revolution |
| cw |
clockwise |
| cyl |
cylinder |
| dia |
diameter |
| ext |
external |
| F |
degrees Fahrenheit |
| fl |
fluid |
| fpm |
feet per minute |
| ft |
foot |
| ft-lb |
foot pound |
| gal |
gallon |
| gpm |
gallons per minute |
| Hg |
Mercury |
| HP |
horsepower |
| Hz |
Hertz |
| ID |
inside diameter |
| in |
inch |
| in-lb |
inch pound |
| int |
internal |
| ipm |
inches per minute |
| ips |
inches per second |
| lb |
pound |
| max |
maximum |
| min |
minimum |
| mtd |
mounted |
| NC |
normally closed |
| NO |
normally open |
| NPT |
national pipe thread |
| NPTF |
dryseal pipe threads |
| oc |
open center |
| oz |
ounce |
| P.O. |
pilot operated |
| press |
pressure |
| psi |
pounds per square inch |
| psia |
psi absolute |
| psig |
psi gauge |
| pt |
pint |
| qt |
quart |
| r |
radius |
| rms |
root mean square |
| rpm |
revolutions per minute |
| rps |
revolutions per second |
| scfm |
standard cu. ft. per minute |
| Smls |
seamless |
| sol |
solenoid |
| SSU |
Saybolt seconds universal |
| SUS |
Saybolt universal seconds |
| u |
micro-meters or microns |
| T |
torque |
| vac |
vacuum |
| VI |
viscosity index |
| visc |
viscosity |
|
