83
11. UNIT CONVERSION
X =X = X =X =
AREA: TEMPERATURE INTERVAL:
cm
2
100
mm
2
°C 1.0 K
cm
2
0.1550
in
2
645.2
mm
2
°C 1.8 °F 0.5556 °C
m
2
1.0
m
2
SPEED:
m
2
10.76
ft
2
0.09290
m
2
m/s 1.0 m/s
LENGTH: m/s 3.281 ft/s 0.3048 m/s
µm 1.0 µm m/s 196.9 ft/min 0.00508 m/s
µm 39.37 micro-inch 0.02554 µm VOLUME:
mm 1.0 mm
mm
3
1.0x10
-6
L
mm 0.03937 in 25.4 mm
mm
3
6.102x10
-5
in
3
0.01639 L
mm 0.003281 ft 304.8 mm L 1.0 L
m 1.0 m L 0.03531
ft
3
28.32 L
m 3.281 ft 0.3048 m m
3
1.0 m
3
m 1.094 yd 0.9144 m
m
3
1.308
yd
3
0.7646
m
3
MASS: L 0.2642 U.S.gal 3.785 L
g 1.0 g L 2.113 U.S.pint 0.4732 L
g 0.03527 oz 28.35 g mL, cm
3
1.0 L
kg 1.0 kg
mL, cm
3
0.03381 U.S.oz 29.57 mL
kg 2.205 lb 0.04536 kg FLOW:
tonne, Mg 1.0 tonne, Mg
m
3
/h
0.2778 L/s
tonne, Mg 1.102 U.S. ton 0.9072 tonne, Mg m
3
/h 0.5886 ft
3
/min 0.4719 L/s
(2000lb)
m
3
/h
4.403 U.S.gal/min 0.06309 L/s
POWER: L/h 2778x10
-4
L/s
kcal/h 1.163 W L/h
4.403x10
-3
U.S.gal/min 0.06309 L/s
kcal/h 3.968 Btu/h 0.2931 W (m
3
/h)/ 1.780 cfm/ton 0.1342 L/s/kW
HP metric 0.7355 kW
(1000kcal/h)
HP metric 0.9863 HP(550ft-lb)0.7457 kW TEMPERATURE:*
S °C °C + 273.15 K
Mcal/h 1.163 kW °C (°Cx1.8) + 32 °F (°F-32)/1.8 °C
Mcal/h 0.3307 Ton. refr. 3.517 kW
PRESSURE: * FOR THE TEMPERATURE CONVERSION IT IS USED THE
mm w.g.4°C 9.806 Pa CALCULATION FACTOR.
mm w.g.4°C 0.03937
inH
2
O39.2°F
249.1 Pa EXAMPLE: 25°C ARE EQUIVALENT TO HOW MANY °F:
mm Hg0°C 0.1333 kPa °F = (25°C x 1.8) + 32 = 77°F
mm Hg0°C 0.03937 inHg 32°F 3.386 kPa
kgf/cm
2
98.7 kPa
kgf/cm
2
14.22 psi 6.895 kPa
mH
2
O
3.281
ft H
2
O
2.989 kPa
UNIT
AMERICAN
SYSTEM
INTERNATIONAL
METRIC
TECHNIQUE
UNIT
AMERICAN
SYSTEM
INTERNATIONAL
METRIC
TECHNIQUE