![]() ![]() ![]() Radiation Density Constant = a = 7.56591x10 -15 erg cm -3 K -4.Stefan-Boltzmann Constant = &sigma = 5.67051x10 -5 erg cm -2 K -4 s -1.Gravitational Constant = G = 6.67259x10 -8 cm 3 gram -1 s -2.Solar Surface Effective Temperature = 5770 K.Area of a Sphere = 41252.96124 square degrees = 4 pi Steradians.Classical Electron Radius = 2.81794x10 -15 m = e 2/ m e c 2.Symbols, abbreviations, or full names for units of length,Īrea, mass, pressure, and other types.Unit Conversions Physical & Astronomical Constants You can find metric conversion tables for SI units, as wellĪs English units, currency, and other data. A centimetre is approximately the width of the fingernail of an adult person.Ĭonversion calculator for all types of measurement units. However, it is practical unit of length for many everyday measurements. How to Convert Inch to Centimeter 1 in 2.54 cm 1 cm 0.3937007874 in Example: convert 15 in to cm: 15 in 15 × 2.54 cm 38. The centimetre is a now a non-standard factor, in that factors of 10 3 are often preferred. A corresponding unit of volume is the cubic centimetre. A corresponding unit of area is the square centimetre. It is the base unit in the centimetre-gram-second system of units. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.Ī centimetre (American spelling centimeter, symbol cm) is a unit of length that is equal to one hundreth of a metre, the current SI base unit of length. ![]() The parsec (symbol pc) is a unit of length used in astronomy. You can do the reverse unit conversion fromĬm to parsec, or enter any two units below: Enter two units to convert From: ![]()
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