La Regla De Cálculo
Páginas: 2 (388 palabras)
Publicado: 1 de noviembre de 2012
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A B L C D
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1. Print or copy onto stiff paper. 2. Fold on dotted lines. 3. Cut this window out carefully. 4. Glue tab back on itself, whendry, glue halves together.
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2 3 π (C) Copyright 1991, Andy Kinsman, P.O. Box 1457, Fairport, N.Y. 14450-1457 CONVERSION FACTORS
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"Collector of Slide Rules" kinsman@ssd.kodak.com
LINEAR MEASURE
1 inch 1 foot 1 yard 1 mile 1 mile = 2.54 cm = 0.3048 m =0.9144 m = 1.609 km = 5280 ft
AREA MEASURE
1 sq inch = 6.452 cm2 1 sq foot = 0.0929 m2 1 sq yard = 0.8361 m2 1 sq mile = 2.59 km2 1 sq mile = 640 acres 1acre = 43,560 sq ft
VOLUME MEASURE
1 cu inch = 16.39 cm3 1 cu foot = 0.0283 m3 1 cu yard = 0.7646 m3 1 U.S. gallon = 3.785 liter 1 U.S. gallon = 231 cu in. 1cu foot = 28.32 liter
WEIGHT
1 Pound 1 Grain = 0.4536 kg = 0.0648 g
ENERGY - WORK
1 Btu 1 hp 1 hp 1 hp = 778 ft-lb = 0.707 Btu/sec = 550 ft-lb/sec = 0.746kw
PRESSURE
1 atm = 14.7 psi
1 ft of water = 0.4335 psi 1 in. of mercury = 0.4912 psi 1 in. of mercury = 1.133 ft of water 1 in. of mercury = 780 ft ofair
1 U.S. gallon = 8.345 lb 1 cu foot of water = 62.43 lb
1 naut.mile = 1.152 mi.
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glue -- glue -- glue 3 8 9 1 4 5 6 7 8 9 1 2 3 2 4 3 5 4 6 5
glue -- glue -- glue 6 7 7 8 9 1 8 9 1K
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A B L C D
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1. Print or copy onto stiff paper. 2. Fold on dotted lines. 3. Cut this window out carefully. 4. Glue tab back on itself, whendry, glue halves together.
2 3 4
2 3 π (C) Copyright 1991, Andy Kinsman, P.O. Box 1457, Fairport, N.Y. 14450-1457 CONVERSION FACTORS
5
6
7
8
94
5
6
7
8
9
1
"Collector of Slide Rules" kinsman@ssd.kodak.com
LINEAR MEASURE
1 inch 1 foot 1 yard 1 mile 1 mile = 2.54 cm = 0.3048 m =0.9144 m = 1.609 km = 5280 ft
AREA MEASURE
1 sq inch = 6.452 cm2 1 sq foot = 0.0929 m2 1 sq yard = 0.8361 m2 1 sq mile = 2.59 km2 1 sq mile = 640 acres 1acre = 43,560 sq ft
VOLUME MEASURE
1 cu inch = 16.39 cm3 1 cu foot = 0.0283 m3 1 cu yard = 0.7646 m3 1 U.S. gallon = 3.785 liter 1 U.S. gallon = 231 cu in. 1cu foot = 28.32 liter
WEIGHT
1 Pound 1 Grain = 0.4536 kg = 0.0648 g
ENERGY - WORK
1 Btu 1 hp 1 hp 1 hp = 778 ft-lb = 0.707 Btu/sec = 550 ft-lb/sec = 0.746kw
PRESSURE
1 atm = 14.7 psi
1 ft of water = 0.4335 psi 1 in. of mercury = 0.4912 psi 1 in. of mercury = 1.133 ft of water 1 in. of mercury = 780 ft ofair
1 U.S. gallon = 8.345 lb 1 cu foot of water = 62.43 lb
1 naut.mile = 1.152 mi.
B L C
1 .0 .1 1
2 .1 .2
3
4 .3 2
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6 .4
7
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1 .5
π
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