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MQL • METRIC CONVERSION
28
SI UNIT
CONVERSION
FACTOR
= ENGLISH UNIT
CONVERSION
FACTOR
= SI
UNIT
SI UNIT
CONVERSION
FACTOR
= ENGLISH
UNIT
CONVERSION
FACTOR
= SI
UNIT
cm
2
100
mm
2
°C 1.8 °F 0.5556 °C
cm
2
0.1550
in
2
645.2
mm
2
m
2
10.76
ft
2
0.09290
m
2
m/s 3.281 ft/s 0.3048 m/s
m/s 196.9 ft/min 0.00508 m/s
mm 0.03937 in. 25.4 mm
mm 0.003281 ft. 304.8 mm
mm
3
1.0x10
-6
L
m 3.281 ft. 0.3048 m
mm
3
6.102x10
-5
in.
3
0.01639 L
m 1.094 yd. 0.9144 m L 0.03531
ft
3
28.32 L
m
3
1.308
yd
3
0.7646
m
3
g 0.03527 oz. 28.35 g L 0.2642 U.S. gal 3.785 L
kg 2.205 lb. 0.4536 kg L 2.113 U.S. pint 0.4732 L
tonne, Mg 1.102 U.S. ton (2000 lb.) 0.9072 tonne, Mg
mL, cm
3
0.03381 U.S. oz 29.57 mL
kcal/h 1.163 W
m
3
/h
0.2778 L/s
kcal/h 3.968 Btu/h 0.2931 W
m
3
/h
0.5886
ft
3
/min
0.4719 L/s
HP metric 0.7355 kW
m
3
/h
4.403 U.S. gal/min 0.06309 L/s
HP metric 0.9863 HP (550 ) 0.7457 kW L/h
2.778x10
-4
L/s
Mcal/h 1.163 kW L/h
4.403x10
-3
U.S. gal/min 0.06309 L/s
Mcal/h 0.3307 Ton refr. 3.517 kW
(m
3
/h)/
(1000 kcal/h)
mm w.g. 4°C 9.806 Pa
mm w.g. 4°C 0.03937
in H
2
O 39.2°F 249.1 Pa
mm Hg 0°C 0.1333 kPa
mm Hg 0°C 0.03937 in Hg 32°F 3.386 kPa
kg
f
/cm
2
98.07 kPa
kg
f
/cm
2
14.22 psi 6.895 kPa °C °C + 273.15 °K
mH
2
O 3.281 ft H
2
O 2.989 kPa °C (°C x 1.8) + 32 °F (°F - 32) ÷ 1.8 °C
CONVERSION
FACTOR
= SI
UNIT
Area
Length
Mass
Pre ssure
Power
Temperature Interval
Volume
Temperature
Volume / Time
Velocity
SI UNIT
CONVERSION
FACTOR
1.780
cfm/ton
0.1342
L/s - kW
= ENGLISH
UNIT
ft. lb.
S
Metric Conversion Chart
PREFIXES
M MEGA- 10
6
k KILO- 10
3
d DECI 10
-1
c CENTI 10
-2
m MILLI 10
-3
LEGEND
m METER
cal CALORIE
kg KILOGRAM (mass)
kgf KILOGRAM — FORCE
kp KILOGRAM — FORCE
L LITER
°C DEGREES CELSIUS
K KELVIN
WWATT
Pa PASCAL
J JOULE
N NEWTON
h HOUR
m MINUTE
s SECOND
g GRAM
UNITS
HP metric = METRIC
HORSEPOWER
mm w.g. MILLIMETERS
WATER GAUGE
mmCE MILLIMETERS
WATER GAUGE
mmHg MILLIMETERS
MERCURY
tonne = 1000 kg
kcal = KILOCALORIES
bar = 100 kPa
ENVIRO-TEC