Linear Measure 
1 km
1 m
1 m
1 cm
1 mm 
=
=
=
=
= 
0.6214 mi
39.37 mi
3.28 ft
0.3937 in
.03937 in 

1 mi
1 mi
1 ft
1 in
1 in 
=
=
=
=
= 
1.61 km
1610 m
.305 m
2.54 cm
25.4 mm 

Square Measure 
1 km²
1 m²
1 cm²
1 mm² 
=
=
=
= 
0.3861 mi²
10.76 ft²
0.155 in²
0.00155 in²


1 mi²
1 ft²
1 in²
1 in²

=
=
=
= 
2.59 km²
.093 m²
.65 cm²
845.2 mm² 

Liquid Measure 
1 litre 
= 
0.264 U.S. Gal. 

1 U.S. Gal. 
= 
3.79 litre 

Weight Measure 
1 kg
1 kg 
=
= 
2.2 lbs
35.274 ozs 

1 lb
1 oz 
=
= 
.455 kg
.028 kg 

Force Measure 
1 Newton (N)
1 daN
1 Kg Force
1 Kilopound
1 Pound/Inch
1 Pound/Foot 
=
=
=
=
=
=

.225 lbs
2.2 lbs
9.8 Newton (N)
9.5 Newton (N)
175.127 Newton/Metre
14.59 Newton/Metre 

1 lb
1 lb
1 N
1 N
1 N/M
1 N/M 
=
=
=
=
= 
4.448 N
.455 daN
.102 Kg Force
.105 Kilopound
.0057 Pound/Inch
.0685 Pound/Foot 

Pressure Measure 
1 Bar
1 Kg/m²
1 Kg/m²
1 Kilonewton/Metre 
=
=
=
= 
14.5 P.S.I.
9.8 Newton/Metre²
9.8 Pascal (Pa)
0.145 P.S.I. 

1 P.S.I.
1 N/m²
1 Pa
1 P.S.I.

=
=
=
= 
.0690 Bar
.102 Kg/m²
.102 Kg/m²
6.897 lb./ft. 

Power Measure 
1 BTU/hour
Horsepower (550 ft.lbs/s) 
=
= 
.0293 Watt(W) .745 Kilowatt 

1 Watt
1 KW 
=
= 
3.413 BTU/hour
1.342 HP 

Temperature Measure 
Fahrenheit to Celsius
Celsius to Fahrenheit
1 min¹ 
=
=
= 
tc = (tf32)/1.8
tf = 1.8 tc + 32
1 RPM 
