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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 femtometer
light second to zettameter
light second to point
light second to petameter
light second to smoot
light second to siriometer
light second to perch
light second to pu
light second to chinese mile
light second to milha
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!