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Technical Information
Unit Equivalents and Conversions
Decimal and Millimeter Equivalents
| |
|
|
DECIMALS |
|
MM |
| |
|
1 |
0.015625 |
-- |
0.397 |
| |
|
64 |
| |
1 |
|
0.031250 |
-- |
0.794 |
| |
32 |
|
| |
|
3 |
0.046875 |
-- |
1.191 |
| |
|
64 |
| 1 |
|
|
0.062500 |
-- |
1.588 |
| 16 |
|
|
| |
|
5 |
0.078125 |
-- |
1.984 |
| |
|
64 |
| |
3 |
|
0.093750 |
-- |
2.381 |
| |
32 |
|
| |
|
7 |
0.109375 |
-- |
2.778 |
| |
|
64 |
| 1 |
|
|
0.125000 |
-- |
3.175 |
| 8 |
|
|
| |
|
9 |
0.140625 |
-- |
3.572 |
| |
|
64 |
| |
5 |
|
0.156250 |
-- |
3.969 |
| |
32 |
|
| |
|
11 |
0.171875 |
-- |
4.366 |
| |
|
64 |
| 3 |
|
|
0.187500 |
-- |
4.763 |
| 16 |
|
|
| |
|
13 |
0.203125 |
-- |
5.159 |
| |
|
64 |
| |
7 |
|
0.218750 |
-- |
5.556 |
| |
32 |
|
| |
|
15 |
0.234375 |
-- |
5.953 |
| |
|
64 |
| 1 |
|
|
0.250000 |
-- |
6.350 |
| 4 |
|
|
| |
|
17 |
0.265625 |
-- |
6.747 |
| |
|
64 |
| |
9 |
|
0.281250 |
-- |
7.144 |
| |
32 |
|
| |
|
19 |
0.296875 |
-- |
7.541 |
| |
|
64 |
| 5 |
|
|
0.312500 |
-- |
7.938 |
| 16 |
|
|
| |
|
21 |
0.328125 |
-- |
8.334 |
| |
|
64 |
| |
11 |
|
0.343750 |
-- |
8.731 |
| |
32 |
|
| |
|
23 |
0.359375 |
-- |
9.128 |
| |
|
64 |
| 3 |
|
|
0.375000 |
-- |
9.525 |
| 8 |
|
|
| |
|
25 |
0.390625 |
-- |
9.922 |
| |
|
64 |
| |
13 |
|
0.406250 |
-- |
10.319 |
| |
32 |
|
| |
|
27 |
0.421875 |
-- |
10.716 |
| |
|
64 |
| 7 |
|
|
0.437500 |
-- |
11.113 |
| 16 |
|
|
| |
|
29 |
0.453125 |
-- |
11.509 |
| |
|
64 |
| |
15 |
|
0.468750 |
-- |
11.906 |
| |
32 |
|
| |
|
31 |
0.484375 |
-- |
12.303 |
| |
|
64 |
| 1 |
|
|
0.500000 |
-- |
12.700 |
| 2 |
|
|
| |
|
|
|
|
|
| 1 mm = .03937” |
| |
|
|
DECIMALS |
|
MM |
| |
|
33 |
0.515625 |
-- |
13.097 |
| |
|
64 |
| |
17 |
|
0.531250 |
-- |
13.494 |
| |
32 |
|
| |
|
35 |
0.546875 |
-- |
13.891 |
| |
|
64 |
| 9 |
|
|
0.562500 |
-- |
14.288 |
| 16 |
|
|
| |
|
37 |
0.578125 |
-- |
14.684 |
| |
|
64 |
| |
19 |
|
0.593750 |
-- |
15.081 |
| |
32 |
|
| |
|
39 |
0.609375 |
-- |
15.478 |
| |
|
64 |
| 5 |
|
|
0.625000 |
-- |
15.875 |
| 8 |
|
|
| |
|
41 |
0.640625 |
-- |
16.272 |
| |
|
64 |
| |
21 |
|
0.656250 |
-- |
16.669 |
| |
32 |
|
| |
|
43 |
0.671875 |
-- |
17.066 |
| |
|
64 |
| 11 |
|
|
0.687500 |
-- |
17.463 |
| 16 |
|
|
| |
|
45 |
0.703125 |
-- |
17.859 |
| |
|
64 |
| |
23 |
|
0.718750 |
-- |
18.256 |
| |
32 |
|
| |
|
47 |
0.734375 |
-- |
18.653 |
| |
|
64 |
| 3 |
|
|
0.750000 |
-- |
19.050 |
| 4 |
|
|
| |
|
49 |
0.765625 |
-- |
19.447 |
| |
|
64 |
| |
25 |
|
0.781250 |
-- |
19.844 |
| |
32 |
|
| |
|
51 |
0.796875 |
-- |
20.241 |
| |
|
64 |
| 13 |
|
|
0.812500 |
-- |
20.638 |
| 16 |
|
|
| |
|
53 |
0.828125 |
-- |
21.034 |
| |
|
64 |
| |
27 |
|
0.843750 |
-- |
21.431 |
| |
32 |
|
| |
|
55 |
0.859375 |
-- |
21.828 |
| |
|
64 |
| 7 |
|
|
0.875000 |
-- |
22.225 |
| 8 |
|
|
| |
|
57 |
0.890625 |
-- |
22.622 |
| |
|
64 |
| |
29 |
|
0.906250 |
-- |
23.019 |
| |
32 |
|
| |
|
59 |
0.921875 |
-- |
23.416 |
| |
|
64 |
| 15 |
|
|
0.937500 |
-- |
23.813 |
| 16 |
|
|
| |
|
61 |
0.953125 |
-- |
24.209 |
| |
|
64 |
| |
31 |
|
0.968750 |
-- |
24.606 |
| |
32 |
|
| |
|
63 |
0.984375 |
-- |
25.003 |
| |
|
64 |
| 1 |
|
|
1.000000 |
-- |
25.400 |
| |
|
| |
|
|
|
|
|
| 001" = .0254 mm |
| MM |
|
IN |
MM |
|
IN |
| 0.1 |
-- |
0.0039 |
46 |
-- |
1.8110 |
| 0.2 |
-- |
0.0079 |
47 |
-- |
1.8504 |
| 0.3 |
-- |
0.0118 |
48 |
-- |
1.8898 |
| 0.4 |
-- |
0.0157 |
49 |
-- |
1.9291 |
| 0.5 |
-- |
0.0197 |
50 |
-- |
1.9685 |
| 0.6 |
-- |
0.0236 |
51 |
-- |
2.0079 |
| 0.7 |
-- |
0.0276 |
52 |
-- |
2.0472 |
| 0.8 |
-- |
0.0315 |
53 |
-- |
2.0866 |
| 0.9 |
-- |
0.0354 |
54 |
-- |
2.1260 |
| 1 |
-- |
0.0394 |
55 |
-- |
2.1654 |
| 2 |
-- |
0.0787 |
56 |
-- |
2.2047 |
| 3 |
-- |
0.1181 |
57 |
-- |
2.2441 |
| 4 |
-- |
0.1575 |
58 |
-- |
2.2835 |
| 5 |
-- |
0.1969 |
59 |
-- |
2.3228 |
| 6 |
-- |
0.2362 |
60 |
-- |
2.3622 |
| 7 |
-- |
0.2756 |
61 |
-- |
2.4016 |
| 8 |
-- |
0.3150 |
62 |
-- |
2.4409 |
| 9 |
-- |
0.3543 |
63 |
-- |
2.4803 |
| 10 |
-- |
0.3937 |
64 |
-- |
2.5197 |
| 11 |
-- |
0.4331 |
65 |
-- |
2.5591 |
| 12 |
-- |
0.4724 |
66 |
-- |
2.5984 |
| 13 |
-- |
0.5118 |
67 |
-- |
2.6378 |
| 14 |
-- |
0.5512 |
68 |
-- |
2.6772 |
| 15 |
-- |
0.5906 |
69 |
-- |
2.7165 |
| 16 |
-- |
0.6299 |
70 |
-- |
2.7559 |
| 17 |
-- |
0.6693 |
71 |
-- |
2.7953 |
| 18 |
-- |
0.7087 |
72 |
-- |
2.8346 |
| 19 |
-- |
0.7480 |
73 |
-- |
2.8740 |
| 20 |
-- |
0.7874 |
74 |
-- |
2.9134 |
| 21 |
-- |
0.8268 |
75 |
-- |
2.9528 |
| 22 |
-- |
0.8661 |
76 |
-- |
2.9921 |
| 23 |
-- |
0.9055 |
77 |
-- |
3.0315 |
| 24 |
-- |
0.9449 |
78 |
-- |
3.0709 |
| 25 |
-- |
0.9843 |
79 |
-- |
3.1102 |
| 26 |
-- |
1.0236 |
80 |
-- |
3.1496 |
| 27 |
-- |
1.0630 |
81 |
-- |
3.1890 |
| 28 |
-- |
1.1024 |
82 |
-- |
3.2283 |
| 29 |
-- |
1.1417 |
83 |
-- |
3.2677 |
| 30 |
-- |
1.1811 |
84 |
-- |
3.3071 |
| 31 |
-- |
1.2205 |
85 |
-- |
3.3465 |
| 32 |
-- |
1.2598 |
86 |
-- |
3.3858 |
| 33 |
-- |
1.2992 |
87 |
-- |
3.4252 |
| 34 |
-- |
1.3386 |
88 |
-- |
3.4646 |
| 35 |
-- |
1.3780 |
89 |
-- |
3.5039 |
| 36 |
-- |
1.4173 |
90 |
-- |
3.5433 |
| 37 |
-- |
1.4567 |
91 |
-- |
3.5827 |
| 38 |
-- |
1.4961 |
92 |
-- |
3.6220 |
| 39 |
-- |
1.5354 |
93 |
-- |
3.6614 |
| 40 |
-- |
1.5748 |
94 |
-- |
3.7008 |
| 41 |
-- |
1.6142 |
95 |
-- |
3.7402 |
| 42 |
-- |
1.6535 |
96 |
-- |
3.7795 |
| 43 |
-- |
1.6929 |
97 |
-- |
3.8189 |
| 44 |
-- |
1.7323 |
98 |
-- |
3.8583 |
| 45 |
-- |
1.7717 |
99 |
-- |
3.8976 |
| |
|
|
100 |
-- |
3.9370 |
Metric System/Length
| Unit |
Metric Equivalent |
|
US Equivalent |
| millimeter |
(mm) |
= |
0.001 |
|
meter |
= |
0.03937 |
|
inch |
| centimeter |
(cm) |
= |
0.01 |
|
meter |
= |
0.3937 |
|
inch |
| decimeter |
(dm) |
= |
0.1 |
|
meter |
= |
3.937 |
|
inches |
| METER |
(m) |
= |
1 |
|
meter |
= |
39.37 |
|
inches |
| dekameter |
(dkm) |
= |
10.0 |
|
meters |
= |
10.93 |
|
yards |
| hectometer |
(hm) |
= |
100.0 |
|
meters |
= |
328.08 |
|
feet |
| kilometer |
(km) |
= |
1000.0 |
|
meters |
= |
0.6214 |
|
mile |
Metric System/Weight or Mass
| Unit |
Metric Equivalent |
|
US Equivalent |
| millimeter |
(mg) |
= |
0.001 |
|
gram |
= |
0.0154 |
|
grain |
| centimeter |
(cg) |
= |
0.01 |
|
gram |
= |
0.1543 |
|
grain |
| decimeter |
(dg) |
= |
0.1 |
|
gram |
= |
1.543 |
|
grains |
| GRAM |
(g) |
= |
1 |
|
gram |
= |
15.43 |
|
grains |
| dekagram |
(dkg) |
= |
10.0 |
|
grams |
= |
0.3527 |
|
ounce avoirdupois |
| hectogram |
(hg) |
= |
100.0 |
|
grams |
= |
3.527 |
|
ounces avoirdupois |
| kilogram |
(kg) |
= |
1000.0 |
|
grams |
= |
2.2 |
|
pounds avoirdupois |
Metric System/Capacity
| Unit |
Metric Equivalent |
|
US Equivalent |
| millimeter |
(ml) |
= |
0.001 |
|
liter |
= |
0.0034 |
|
fluid ounce |
| centimeter |
(cl) |
= |
0.01 |
|
liter |
= |
0.338 |
|
fluid ounce |
| decimeter |
(dl) |
= |
0.1 |
|
liter |
= |
3.38 |
|
fluid ounces |
| LITER |
(l) |
= |
1 |
|
liter |
= |
1.05 |
|
liquid quarts |
| dekaliter |
(dkl) |
= |
10.0 |
|
liters |
= |
0.284 |
|
bushel |
| hectoliter |
(hl) |
= |
100.0 |
|
liters |
= |
2.837 |
|
bushels |
| kiloliter |
(kl) |
= |
1000.0 |
|
liters |
= |
264.18 |
|
gallon |
Metric System/Area
| Unit |
Metric Equivalent |
|
US Equivalent |
| square millimeter |
(mm2) |
= |
0.000001 |
|
centare |
= |
0.00155 |
|
square inch |
| square centimeter |
(cm2) |
= |
0.0001 |
|
centare |
= |
0.155 |
|
square inch |
| square decimeter |
(dm2) |
= |
0.01 |
|
centare |
= |
15.5 |
|
square inches |
| CENTARE, also |
(ca) |
= |
1.0 |
|
centare |
= |
10.76 |
|
square feet |
| square meter |
(m2) |
| are, also |
(a) |
= |
100.0 |
|
centares |
= |
0.0247 |
|
acre |
| square dekameter |
(dkm2) |
| hectare, also |
(ha) |
= |
10,000.0 |
|
centares |
= |
2.47 |
|
acres |
| square hectometer |
(hm2) |
| square kilometer |
(km2) |
= |
1,000,000.0 |
|
centares |
= |
0.386 |
|
square mile |
Metric System/Volume
| Unit |
Metric Equivalent |
|
US Equivalent |
| cubic millimeter |
(mm3) |
= |
0.001 |
|
cubic centimeter |
= |
0.016 |
|
minim |
| cubic centimeter |
(cc, cm3) |
= |
0.001 |
|
cubic decimeter |
= |
0.061 |
|
cubic inch |
| cubic decimeter |
(dm3) |
= |
0.001 |
|
cubic meter |
= |
61.023 |
|
cubic inches |
| STERE, also |
(s) |
= |
1.0 |
|
cubic meter |
= |
1.308 |
|
cubic yards |
| cubic meter |
(m3) |
| cubic dekameter |
(dkm3) |
= |
1000.0 |
|
cubic meters |
= |
1307.943 |
|
cubic yards |
| cubic hectometer |
(hm3) |
= |
1,000,000.0 |
|
cubic meters |
= |
1,307,942.8 |
|
cubic yards |
| cubic kilometer |
(km3) |
= |
1,000,000,000.0 |
|
cubic meters |
= |
0.25 |
|
cubic mile |
Pressure
| Unit |
Atm. |
kg/cm2 |
lb/in2 |
bar |
(0°C) |
(32°F) |
(60°F) |
| 1 Atmosphere |
1* |
1.033228 |
14.6959 |
1.013250 |
760* |
29.921 |
33.934 |
| 1 kg./cm2 |
0.967841 |
1* |
14.2233 |
0.980665* |
735.559 |
28.959 |
32.843 |
| 10 lb./in.2 |
0.68046 |
0.70307 |
10* |
0.689476 |
517.149 |
20.360 |
23.091 |
| 1 bar |
0.986923 |
1.019716 |
14.5038 |
1* |
750.062 |
29.530 |
33.490 |
| 1 meter Hg. (0°C) |
1.31579 |
1.35951 |
19.3368 |
1.333224 |
1000* |
39.370 |
44.65 |
| 10 in. Hg. (32°F) |
0.33421 |
0.34532 |
4.9115 |
0.33864 |
254* |
10* |
11.341 |
| 100 ft. H20 (60°F) |
2.9469 |
3.0448 |
43.308 |
2.9859 |
2239.6 |
88.175 |
100* |
1 inch of Hg (mercury) = 13.6 inch H20
1 PSI = 2.31 inches of H20 |
Conversion Table
| Number of... |
By... |
To Obtain... |
British thermal
units |
778.3 |
Foot-pounds |
| 3.929 x 10-4 |
Horsepower-hours |
| 2.930 x 10-4 |
Kilowatt-hours |
| .2930 |
Watts-hours |
| Foot-pounds |
1.285 x 10-3 |
British thermal units |
| 5.05 x 10-7 |
Horsepower-hours |
| 3.766 x 10-7 |
Kilowatt-hours |
| 3.766 x 10-4 |
Watts-hours |
| Horsepower-hours |
2545 |
British thermal units |
| 1.98 x 104 |
Foot-pounds |
| .7457 |
Kilowatt-hours |
| 745.7 |
Watts-hours |
| Kilowatt-hours |
3413 |
British thermal units |
| 2.655 x 106 |
Foot-pounds |
| 1.341 |
Horsepower-hours |
| 1000 |
Watts-hours |
| Watt-hours |
3.413 |
British thermal units |
| 2655 |
Foot-pounds |
| 1.341 x 10-3 |
Horsepower-hours |
| .001 |
Kilowatt-hour |
| 1 Btu = 251.996 international calories |
Conversion Factors
| Length |
Weight |
| 1 in. = 2.54 cm |
1 kg. = 2.205 lb. |
| 1 ft. = .3048 m |
|
| 1 yd. = .9144 m |
Volume |
| 1 m = 39.37 in. |
1 cu. in. = 16.39 cm3 |
| |
1 cu. ft. = .02832 m3 |
| Area |
1 cu. ft. = 62.43 lb. water |
| 1 sq. in. = 6.452 cm2 |
1 cu. ft. = 7.5 gal water |
| 1 sq. ft. = .0929 m2 |
1 cu. ft. = 28.32 liters |
| |
1 U.S. gal = .1337 cu. ft. |
| Horsepower |
1 U.S. gal = 231 cu. in. |
| 1 hp. = .746 kW |
1 U.S. gal = 8.345 lb. water |
| 1 boiler hp. = 9.8 kW |
1 U.S.gal = 3.785 liters |
Natural Gas Equivalent
| Number of... |
By... |
To Obtain... |
| bar |
.987 |
Atmosphere |
| bar |
100,000 |
Pascal |
| barrel (42 US gal.) |
.159 |
Cu. meters |
| calorie |
4.184 |
Joule |
| Joule |
.00095 |
BTU |
| Kilojoule |
3,600 |
Kilowatt-hours |
| Kilograms/sq. cm. |
14.2 |
Pounds/sq. in. |
One therm. = 1,000,000 BTU
One cu. ft. of gas = 1040 BTU (range 1020 - 1055)
One Therm (Rounding off) = 100 cu. ft. gas
One MCF = 1,040,000 BTU |
Calculate the electrical power, flow rate or temperature requirement.
Fill in one value to calculate the other.
Fill in two values to find the other two.
Fill in one value to calculate the other.
Fill in two values to find the 3rd.
Fill in two values to find the 3rd.
Calculate the total resistance in ohms of resistors that are in parallel by entering the value of each below.
Calculate the resistance in ohms of resistors connected in series by entering the value of each.
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