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EXHAUST VENTILATION TESTING AND EXAMINATION
H
- Hand = 4 inches, 10.160
centimeters.
- Hectare = 2.471044 acres,
2.471058 Br acres, 395.367 square rods, 1.195985x10^4
square yards, 1.0764x10^5 square feet, 100 ares, 1x10^4
square meters.
- Hectogram = 3.52739
avoirdupois ounces, 100 grams.
- Hectoliter = 2.8378 bushels,
2.7497 Br bushels, 11.3513 pecks, 100 liters.
- Hectometer = 19.8838 rods,
109.3611 yards, 109.3614 Br yards, 328.08 feet, 100
meters.
- Hectowatt = 100 watts.
- Hemisphere = 0.5 sphere, 4
spherical right angles, 6.2832 steradians.
- Hogshead (Br) = 63 Br
gallons, 10.114 cubic feet, 0.28640 cubic meters.
- Hogshead (US) = 63 gallons,
8.4218 cubic feet, 0.23848 cubic meters.
- Horsepower = 0.70696 BTU
(mean), 0.7452 kilowatt (g=980), 0.74570 kilowatt
(g=980.665), 1.0139 horse power (metric) or
cheval-vapeur, 10.688 kilogram-calories (mean) per
minute, 42.418 BTU (mean) per minute, 550 foot-pounds per
second, 745.2 watts (g=908), 745.70 watts (g=980.665),
3.3000x10^4 foot-pounds per minute.
- Horsepower, electrical (US and
BR) = 746.00 watt (absolute) commonly used in rating
electrical machinery.
- Horsepower, metric (cheval
vapeur) = 0.98632 horsepower (US), 75 kilogram-meters
per second, 735.399 watts, 3.2549x10^4 foot-pounds per
minute.
- Horsepower-hour = 0.7457
kilowatt-hour, 641.3 kilogram-calories (mean), 745.7
watt-hours, 2545.0 BTU (mean), 2.7374x10^5
kilogram-meters, 1.9800x10^6 foot-pounds, 2.6845x10^6
joules (absolute).
- Horsepower-hour (electrical, US
and BR) = 2.6856x10^6 joules (absolute).
- Hour (tropical mean solar) =
0.0059524 week, 0.041667 mean solar day, 60 mean solar
minutes, 3600 mean solar seconds.
- Hundredweight (short) = 100
pounds, 0.44643 long ton, 0.05 short ton, 4 Br quarters,
1600 avoirdupois ounces, 0.0453592 metric ton, 45.3592
kilograms.
- Hundredweight (long) = 112
pounds, 0.05 long ton, 4 Br quarters, 50.8023 kilograms.
I
- Inch (US) = 1.57828x10^-5
mile, 0.00126263 Gunter's chain, 0.00505051 rod, 1/36
yard, 1/12 foot, 0.126263 Gunter's link, 72 points
(printer's type), 1000 mils, 2.540005 centimeters,
25.40005 millimeters, 2.54x10^8 Angstrom unit, 39450.33
wave lengths of red line of cadmium.
- Inch (Br) = 1/36 Br yard,
1/9 Br linear quarter, 2.539998 centimeters, 25.39998
millimeter.
- Inch (Paris) = 1 Pouce.
- Inch of Hg (pressure) at 32
degrees F = 0.033421 atmosphere, 0.49116 pound per
square inch, 1.13299 feet of water at 39.1 degrees F,
13.595 inches of water at 4 degrees C, 70.727 pounds per
square foot, 345.31 kilograms per square meter,
3.38639x10^4 dynes per square centimeter.
- Inch of water (pressure) at 4
degrees C = 0.0024583 atmosphere, 0.036136 pounds per
square inch, 0.07 3554 inch of Hg, 0.57818 ounce per
square inch, 5.2022 pounds per square foot, 25.399
kilograms per square meter, 2490.82 dynes per square
centimeter.
J
- Joule (absolute) =
2.778x10^-7 kilowatt-hour, 3.725x10^-7 horse power-hour,
2.3889x10^-4 kilogram-calorie (mean), 2.778x10^-4
watt-hour, 3.485x10^-4 cubic foot-atmosphere, 9.480x10^-4
BTU (mean), 0.009869 liter-atmosphere, 0.10197
kilogram-meter, 0.23889 gram-calorie (mean), 0.23895
gram-calorie at 15°C, 0.23918 gram-calorie at 20°C,
0.73756 foot-pound; 0.999680 joule (Int'l), 1
watt-second, 1 newton-meter, 23.730 foot-poundals,
1.0197x10^4 gram-centimeters; 1x10^7 ergs, 1x10^7
dyne-centimeter.
- Joule (Int'l) = 1.00032
joule (absolute).
K
- Kilderkin = 18 Br gallons,
0.081830 cubic meter.
- Kilogram = 9.842064x10^-4
long ton, 0.0011023112 short ton, 0.001 metric ton,
0.019684 long hundredweight, 0.022046223 short
hundredweight, 0.07874 Br quarter, 2.2046223 avoirdupois
pounds, 2.6792285 apothecary or troy pounds, 32.150742
apothecary or troy ounces, 35.273957 avoirdupois ounces,
257.21 apothecary or troy dram, 564.38 avoirdupois dram,
643.01 pennyweight, 771.62 scruples, 1.54324x10^4 grains,
1000 grams.
- Kilogram-calorie or large
calorie (mean) = 0.0011628 kilowatt-hour, 0.0015593
horse power-hour, 1.1628 watt-hour, 3.9685 BTU (mean),
426.85 kilogram-meters, 1000 small or gram-calories,
3087.4 foot-pounds, 4186 joules, 4.2686x10^7
gram-centimeters, 4.186x10^10 ergs.
- Kilogram-meter =
2.7235x10^-6 kilowatt hour, 3.6530x10^-6 horse
power-hour, 0.0027235 watt-hour, 0.0034177 cubic
foot-atmosphere, 0.0092972 BTU (mean), 0.096782
liter-atmosphere, 2.3427 gram-calories (mean), 7.2330
foot-pounds, 9.80665 joules (absolute); 232.71
foot-poundals, 1x10^5 gram-centimeters, 9.80665x10^7
ergs.
- Kiloliter = 1.3080 cubic
yards, 35.316 cubic feet, 264.18 gallons, 1.000027 cubic
meters, 1000 liters.
- Kilometer = 1.0567x10^-13
light year, 0.53961 nautical mile, 0.62137 statute mile,
1093.6 yards, 3280.8 feet, 0.1 myriameter, 1000 meters,
1x10^5 centimeters.
- KiloPascal = 9.869x10^-3
Standard Atmospheres, 0.14515 psi.
- Kilowatt = 0.23889
kilogram-calorie (mean) per second, 0.94827 BTU (mean),
1.3410 horsepower, 1.3597 horse power (metric), 14.333
kilogram-calories (mean) per minute, 56.896 BTU (mean)
per minute, 737.56 foot-pounds per second, 1000 watts,
2.6552x10^6 foot-pounds per hour.
- Kilowatt-hour = 1.3410 horse
power-hours; 1000 watt-hours, 3413.0 BTU (mean),
3.6710x10^5 kilogram-meters, 8.6001x10^5 gram-calories
(mean) 2.6552x10^6 foot-pounds, 3.6000x10^6 joules
(absolute).
- Knot (as a unit of length) =
1 nautical mile.
- Knot (velocity) = 1 nautical
mile per hour, 1.1516 miles per hour, 1.689 feet per
second, 1.853 kilometers per hour, 51.48 centimeters per
second., 6080.20 feet per hour.
L
- Large calorie = See
kilogram-calorie.
- Last (Br) = 80 bushels
(variable), 2.9095 cubic meters.
- League (statute) = 3 statute
miles, 4.8280 kilometers.
- League (nautical) = 3
nautical miles, 5.5597 kilometers.
- Light (speed of) =
2.9986x10^10 centimeters per second.
- Light Year = 5.9x10^12
miles, 9.4637x10^12 kilometers.
- Ligne (Paris line) = 1/12
pouce or Paris inch, 0.22583 centimeter.
- Line (Br) = 1/12 inch,
0.21167 centimeters.
- Link (Engineer's or Ramden's)
= 0.01 Engineer's chain, 1 foot, 12 inches, 30.480
centimeters.
- Link (Surveyor's or Gunter's)
= 1.25x10^-4 miles, 0.01 Gunter's chain, 0.04 rod, .22
yards, 0.66 foot, 7.92 inches, 0.2011684 meter, 20.11684
centimeter.
- Liter = 0.0013080 cubic
yard, 0.028378 bushel, 0.027497 Br bushel, 0.26417762
gallon, 0.21998 Br gallon, 0.035316 cubic feet, 0.11351
peck, 0.10999 Br peck, 0.908102 dry quart, 1.056710
liquid quarts, 0.87990 Br quart, 1.8162 dry pints, 2.1134
liquid pints, 1.7598 Br pints, 8.4538 gills, 7.0392 Br
gills, 33.8147 fluid ounces, 35.196 Br fluid ounces,
61.025 cubic inches, 270.5179 fluid drams, 0.001000027
cubic meter, 1.000027 cubic decimeter, 1000.027 cubic
centimeter.
- Liter-atmosphere (normal) =
3.7745x10^-5 horse power-hour, 0.035319 cubic
foot-atmosphere, 0.09607 BTU (mean), 10.333
kilogram-meters, 24.206 gram-calories (mean), 74.735
foot-pounds, 101.328 joules (absolute), 2404.5
foot-poundals.
- Liter-atmosphere (lat. 45°,
g=980.616) = 101.323 joules (absolute).
- La livre (French Pound) =
0.5 kg.
- Lumen = 0.001496 watt.
M
- Mean Solar Day = 1440
minutes, 86,400 seconds.
- Megalerg = 1x10^6 ergs.
- Megameter = 1x10^6 meter.
- Meter = 5.3961x10^-4
nautical mile, 6.2137x10^-4 statute mile, 0.00497096
furlong, 0.0497096 Gunter's chain, 0.198838 rod, 0.54681
fathom, 1.093611 yard, 1.093614 Br yard, 3.280833 feet,
3.280843 Br feet, 3.0784 Fr pied, 4.970960 Gunter's
links, 39.3700 inches, 39.3701 Br inches, 1x10^06
megameter, 0.001 kilometer, 100 centimeters, 1x10^9
millimicrons (micromillimeter), 1x10^10 angstrom units,
1x10^12 millionth microns, 1.55316413x10^6 wavelength of
red line of cadmium.
- Metric Ton = 1 tonne, 1
millier.
- Microgram = 1x10^-6 gram,
0.001 milligram.
- Microliter = 1x10^-6 liter.
- Micromicron = 1x10^-12
meter.
- Microradian = 0.206265
seconds.
- Micron = 3.937x10^-5 inch,
0.039370 mil, 39.37 millionths of an inch, 1x10^-6 meter,
1x10^-4 centimeter, 0.001 millimeter, 1000 milli-microns
(micro-millimeters), 1x10^4 Angstrom units.
- Mil = 0.001 inch, 0.00254001
centimeter, 0.0254001 millimeter, 25.4001 microns.
- Mil (Angular) = 1x10^-3
radians.
- Mil (Military) = 360/6400
degrees.
- Mile (statute) = 1.69x10^-13
light year, 0.86836 nautical mile, 8 furlongs, 80
Gunter's chains, 320 rods, 1760 yards, 5280 feet, 8000
Gunter's links, 6.3360x10^4 inches, 0.160935 myriameters,
1.60935 kilometers, 1609.35 meters.
- Mile (nautical) = The length
of 1 minute of arc on the earth's surface at the equator,
1/3 league, 1.1516 statute miles, 2026.8 yards, 6080.2
feet, 1.85325 kilometers.
- Mile (British) = 1.60934
kilometers.
- Millier = 1 tonne, 1 metric
ton.
- Milligram = 2.2046x10^-6
avoirdupois pound, 2.67923x10^-6 apothecary or troy
pound, 3.52739x10^-5 avoirdupois ounce, 3.215074x10^-5
apothecary or troy ounce, 5.64383x10^-4 avoirdupois dram,
2.57206x10^-4 apothecary or troy dram, 6.43015x10^-4
pennyweight, 7.71618x10^-4 scruple, 0.01543236 grains,
1x10^-6 kilogram, 0.001 gram, 0.005 metric carat.
- Milliliter = 0.0084538 gill,
0.0338147 fluid ounce, 0.035196 fluid Br ounce, 0.061025
cubic inch, 0.2705179 fluid dram, 16.2311 minims, 0.001
liter, 1.000027 cubic centimeter.
- Millimeter = 0.0393700 inch,
0.0393701 Br inch, 39.37 mils, 0.001 meter, 0.1
centimeter, 1000 microns.
- Milli-micron = 1
micro-millimeter, 1x10^-9 meter, 1x10^-7 centimeter,
0.001 micron, 10 Angstrom units.
- Millionth Micron = 1
micromicron, 1x10^-12 meter, 1x10^-10 centimeter, 0.01
Angstrom units.
- Miner's Inch = 1.5 cubic
feet per minute or 11.25 GPM (in AZ CA MT NV OR), 1.2
cubic feet per minute or 9.0 GPM (in ID KS NE NM ND SD
UT).
- Minim (fluid US) = 1/61440
gallon, 1.3021x10^-4 liquid pint, 5.2083x10^-4 gill,
1/480 fluid ounce, 1/60 fluid dram, 0.061610 milliliter,
0.061612 cubic centimeter, 61.612 cubic millimeter.
- Minim (Br) = 0.059194 cubic
centimeter.
- Minute (angle) =
1.8519x10^-4 quadrant, 2.90888x10^-4 radian, 1/60 degree,
60 seconds.
- Minute (time) = 9.9206x10^-5
week, 6.94446x10^-4 days, 0.016667 hour, 60 seconds.
- Month (mean calendar) =
30.42 days, 730 hours, 4.38x10^4 minutes, 2.628x10^6
seconds.
- Month (lunar) = 29 days 12
hours 44 minutes.
- Myriagram = 22.04622
avoirdupois pounds, 10 kilograms, 1x10^4 grams.
CONVERSION FACTORS.
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