Page 149 - C:\Users\Adik\Documents\Flip PDF Professional\Marketer PPT LR\
P. 149
CONVERSION FACTORS
LENGTH WEIGHT
1 inch = 25.4 mm 1 lb = 453.6 gr
1 mm = 0.03937 in 1 lb = 16 oz
1 foot = 30.48 cm 1 gram = 0.035 oz
1 micron = 0.001 mm 1 kg = 1000 gr
1 micron = 0.0000394 in 1 kg = 2.2046 lb
1 inch = 2.54 cm 1 oz = 28.35 gr
1 meter = 39.37 in 1 metric ton = 2204.6 lb
1 meter = 100 cm 1 metric ton = 1000 kg
1 microinch = 0.000001 in
1 microinch = 0.0254 microns ANGLES
(printer's) 1 degree = 0.01745 radian
1 pica = 0.166 in 1 degree = p/180 radian
1 point = 0.01384 in
VOLUME AREA
1 cu in = 16.387 cc 1 sq in = 6.452 cc
1 cu ft = 1728 cu in 1 sq ft = 144 sq in
1 qt = 0.946 L 1 acre = 43560 sq ft
1 gal = 128 oz 1 sq cm = 0.155 sq in
1 cc = 1 gr (water) 1 sq ft = 0.111 sq yd
1 gal = 8.33 lb 1 sq mm = 0.00155 sq in
1 cu ft = 7.48 gal 1 sq km = 0.3861 sq mt
PRESSURE ENERGY
1 in Hg = 13.6 in H O 1 BTU = 777.97 ft lb
2
1 kg / cm = 14.223 psi 1 cal = 3.09 ft lb
2
1 bar = 14.5 psi 1 BTU = 252 cal
1 atmos = 14.696 psi 1 kwh = 3412 BTU
1 MPa = 145 psi 1 H.P. = 746 watts
1 ton (refrig) = 12000 BTU / hr
1 ton (refrig) = 3517 watts
SPECIFIC HEAT & HEAT TRANSFER
20
1 Cal/sec cm C = 2903 BTU - in / hr ft F
0
0
0
1 Cal/sec cm C = 241.9 BTU / hr ft F
0
0
1 W/(m K) = 0.0023884 Cal / sec cm C
0
0
1 W/(m K) = 0.5778 BTU / hr ft F
0
1 W/(m K) = 6.9335 BTU - in / hr ft F
2 0
0
1 Btu/(Lb F) = 4.184 KJ / (Kg K)
0
0
1 Btu/(Lb F) = 4184 J / (Kg K)
0
1 Cal/(g C) = 1 BTU / (Lb F)
0
0
TEMPERATURE CONVERSIONS
0 0
C = ( F - 32) / 1.8
0 0
F = ( C X 1.8) + 32
K = ( F + 459.67) / 1.8
0 0
DAVE TECHNICAL SERVICES 149