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How many light-second in 1 mm?
The answer is 3.3356409519815E-12.
We assume you are converting between light second and millimetre.
You can view more details on each measurement unit:
light-second or mm
The SI base unit for length is the metre.
1 metre is equal to 3.3356409519815E-9 light-second, or 1000 mm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between light seconds and millimetres.
Type in your own numbers in the form to convert the units!
1 light-second to mm = 299792458000 mm
2 light-second to mm = 599584916000 mm
3 light-second to mm = 899377374000 mm
4 light-second to mm = 1199169832000 mm
5 light-second to mm = 1498962290000 mm
6 light-second to mm = 1798754748000 mm
7 light-second to mm = 2098547206000 mm
8 light-second to mm = 2398339664000 mm
9 light-second to mm = 2698132122000 mm
10 light-second to mm = 2997924580000 mm
You can do the reverse unit conversion from mm to light-second, or enter any two units below:
light-second to alen
light-second to polegada
light-second to kiloparsec
light-second to button measure
light-second to perch
light-second to meter
light-second to ligne
light-second to line
light-second to heer
light-second to agate
A light-second is a unit of length. It is defined as the distance light travels in an absolute vacuum in one second or 299,792,458 meters. Note that this value is considered exact, since the meter is actually (as of 1983) defined in terms of the light second. It is just over 186,282 miles and almost 109 feet.
A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!