Marine Installation Manual
2021-08
9-7
9 Appendix
9.4 Approximate conversion factors
X72DF
9.4
Approximate conversion factors
Table 9
-
4
Conversion factors
Length
1 in
=
25.4 mm
1 ft
= 12 in
=
304.8 mm
1 yd
= 3 feet
=
914.4 mm
1 statute mile
= 1760 yds
=
1609.3 m
1 nautical mile
= 6080 feet
=
1853 m
Mass
1 oz
=
0.0283 kg
1 lb
= 16 oz
=
0.4536 kg
1 long ton
=
1016.1 kg
1 short ton
=
907.2 kg
1 tonne
=
1000 kg
Volume (fluids)
1 Imp. pint
=
0.568 l
1 U.S. pint
=
0.473 l
1 Imp. quart
=
1.136 l
1 U.S. quart
=
0.946 l
1 Imp. gal
=
4.546 l
1 U.S. gal
=
3.785 l
1 Imp. barrel
= 36 Imp. gal =
163.66 l
1 barrel petroleum
= 42 U.S. gal =
158.98 l
Force
1 lbf (pound force)
=
4.45 N
Pressure
1 psi (lb/sq in)
= 6.899 kPa (0.0689 bar)
Velocity
1 mph
=
1.609 km/h
1 knot
=
1.853 km/h
Acceleration
1mphps
=
0.447 m/s
2
Temperature
1 °C
=
0.55 x (°F -32)
Energy
1 BTU
=
1.06 kJ
1 kcal
=
4.186 kJ
Power
1 kW
=
1.36 bhp
1 kW
=
860 kcal/h
Volume
1 in
3
=
16.4 cm
3
1 ft
3
=
0.0283 m
3
1 yd
3
=
0.7645 m
3
