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Bolts and Screws: Conversion from Fractions of an Inch to Millimeters
Inch mm1/64 0.401/32 0.793/64 1.191/16 1.595/64 1.983/32 2.387/64 2.781/8 3.189/64 3.575/32 3.9711/64 4.373/16 4.7613/64 5.167/32 5.5615/64 5.951/4 6.3517/64 6.759/32 7.1419/64 7.545/16 7.…Astronomical Constants
Light-year (distance traveled by light in one year) 5,880,000,000,000 miParsec (parallax of one second, or stellar distances) 3.259 light-yearsVelocity of light c. 186,282.4 mi/…A Star's Magnitude
Magnitude is the degree of brightness of a star. In 1856, British astronomer Norman Pogson proposed a quantitative scale of stellar magnitudes, which was adopted by the astronomical…Conversion of Universal Time (UT) to Civil Time
UTEDT1EST2CST3MST4PST500 *8P *7P *6P *5P *4P01 *9P *8P *7P *6P *5P02 *10P *9P *8P *7P *6P03 *11P *10P *9P *8P *7P04 M *11P *10P *9P *8P05 1A M *11P *10P *9P06 2A 1A M *11P *10P07 3A 2A 1A M *…How Big is an Acre?
What is the size of an acre? The acre was originally an English unit of measurement that described the area of land that a yoke of oxen could plow in a day. It originally differed in size from one…Miscellaneous Units of Measure
Below is information about units of measure, including acre, bolt, gross, hertz, knot, light-year, parsec, pi, ream, sound, square, stone, and more. acreAn area of 43,560 square feet.…Standard Measurements in Sports
Here you can find the standard measurements used in baseball, basketball, bowling, boxing, football, golf, hockey, and tennis. BASEBALL Home plate…How Bright Is Bright?
You will often hear astronomers refer to the brightness of an object in terms of an objects apparent magnitude. The term apparent magnitude refers to a star's apparent brightness, or how…The International System (Metric)
Source: Department of Commerce, National Bureau of Standards. The International System of Units is a modernized version of the metric system, established by international agreement, that…Conversions and Equivalents
Find conversion tables that convert various units of measurement. Area, volume, length/distance, cooking, time, bolts and srews, and moreConversion FactorsMetric and U.S.…Trending
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