Potterton Derwent Compact Plus - CONVERSION TABLE

CONVERSION TABLE
IMPERIAL TO METRIC METRIC TO IMPERIAL
HEAT 1 Btu/hr = 0.291 W 1 kW = 3412Btu/hr
1 Therm = 100,000 Btu/hr 1 Btu = 1055 J 1 J = 0.0009478 Btu
1 Btu/hr = 0.252 kcal/hr 1 kcal/hr = 3.968 Btu/hr
FUEL CONSUMPTION 1 ft
3
= 28.317 dm
3
(litre)
1 m
3
= 35.3147 ft
3
1 dm
3
= 1 LITRE 1 UK Gall = 4.546 litre 1 litre = 0.2199 Imp
1,000 dm
3
= 1 m
3
1 UK Gall = 1.2 U.S. Gallon 1 U.S. Gallon = 0.83 UK Gallon
PRESSURE 1 lb/in
2
= 6895 Pa 1 bar = 33.45 ft.w.g
1 PSI = 2.307 FT 1 lb/in
2
= 68.95 mbar 1 kPa = 0.3345 ft.w.g
1 kPa = 1000 Pa 1 in.w.g = 249.1 Pa 1 bar = 14.5 lb/in
2
1 bar = 1000 mbar = 100 kPa 1 in.w.g = 2.491 mbar 1 Pa = 0.358 in.w.g
1 in.w.g = 25.4 mm.w.g 1 mm.w.g = 0.0394 in.w.g
1 mm.w.g = 9.8 Pa
LENGTH 1 inch = 25.4 mm 1 mm = 0.03937 in
1m = 1000mm 1 ft = 0.3048 m 1 m = 3.281 ft
1 yard = 0.9144 m 1 m = 1.094 yard
1 mile = 1.609 km 1 km = 06214 mile
VOLUME 1 ft
3
= 0.02832 m
3
1 m
3
= 35.3147 ft
3
1 ft
3
= 28.32 litre 1 litre = 0.03531 ft
3
AREA 1 in
2
= 645.2 mm
2
1 mm
2
= 0.00155 in
2
1 in
2
= 6.452 cm
2
1 cm
2
= 0.155 in
2
1 ft
2
= 929 cm
2
1 m
2
= 1550 in
2
1 ft
2
= 0.0929 m
2
1 m
2
= 10.76 ft
2
FLOW RATE 1 gall/min = 0.7577 lit/sec 1 lit/sec = 13.2 gall/min
1 kg/sec = 1 lit/sec @ 0°C 1 ft
3
/min = 0.4719 lit/sec 1 lit/sec = 2.119 ft
3
/min
Reference temperature 1 ft
3
/min = 0.00047 m
3
/sec 1 m
3
/sec = 2119 ft
3
/min
TEMPERATURE °F to °C = (“X”°F-32) x 0.5556 °C to °F = (“X”°C x 1.8) + 32
TEMPERATURE
DIFFERENCE
1°C = 1°K
“X”°F x 0.5556 = °C “X”°C x 1.8 = °F
WEIGHT 1 lb = 0.4536 kg 1 kg = 2.205 lb
1 cwt = 50.8 kg 1 tonne = 0.9842 ton
1 ton = 1016 kg 1 tonne = 2204.6 lb