fps
unit
|
SI
unit
|
| Length |
1 inch (in)
|
2.54 x 10-2
m
|
1 foot (ft)
|
0.3048 m
|
1 yard (yd)
|
0.9144 m
|
| 1 fathom |
1.8288 m |
| 1 chain |
20.1168 m |
| 1 furlong |
2.01168m x 102 m |
| 1 mile (mi) |
1.609344 x 103 m |
| Area |
| 1 square inch (in2) |
6.45 x 10-4 m2 |
| 1 square feet (ft2) |
9.29 x 10-2 m2 |
| 1 square yard (yd2) |
0.836 m2 |
| 1 square mile (mi2) |
2.5899 x 106 m2 |
| 1 acre |
4.0468 x 103 m2 |
| Mass |
| 1 ounce (oz) |
2.83 x 10-2 kg |
| 1 pound (lb) |
0.45 kg |
| 1 stone |
6.35 kg |
| 1 quarter |
12.7 kg |
| 1 hundred weight (cwt) |
50.8 kg |
| 1 ton |
1.016 x 103 kg |
| Volume |
| 1 cubic inch (in3) |
1.69 x 10-5 m3 |
| 1 cubic feet (ft3) |
2.83 x 10-2 m3 |
| 1 cubic yard (yd3) |
0.764 m3 |
| 1 fluid ounce (fl oz) |
2.84 x 10-5 m3 |
| 1 pint (pt) |
5.68 x 10-4 m3 |
| 1 quart (qt) |
1.136 x 10-3 m3 |
| 1 gallon (gal) |
4.546 x 10-3 m3 |
| 1 bushel (bu) |
0.036 m3 |
| 1 gallon USA (=231 in3) |
3.78 x 10-3 m3 |
| Note: 1cm3
= 1 ml and 1m3 =1000 Litre |
| Speed |
| 1 inch per second (in s-1) |
2.54 x 10-2 m s-1 |
| 1 feet per second (ft s-1) |
0.305 m s-1 |
| 1 mile per hour (mi h-1) |
0.447 m s-1 |
| Force |
| 1 poundal (pdl) |
0.14 N |
1 pound force (lbf)
(the weight of 1 pound(lb) mass) |
4.45 N |
| Pressure |
1 pound force per square
inch
1 lbf in-2 (p.s.i)
|
6.8947 x 103Pa |
Density
|
1 pound per cubic feet (1
lb ft -3)
|
16.018 kg m -3 |
Energy
|
1 foot poundal (ft pdl)
|
4.21 x 10-2
J
|
1 foot pound force (ft lbf)
|
1.355 J
|
1 british thermal unit
(Btu)
|
1.055 x 103
J
|
1 thermal (therm)
|
1.055 x 108
J
|
Power
|
1 horse power (hp)
|
7.457 x 102
W
|
| |
|
standard atmosphere
|
14.695 lbf
in-2 = 1.013 x 105 Pa
|
standard
acceleration of gravity
|
32.174 ft s-1 =
9.806 m s-2 |
