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How many light-year in 1 femtometer? The answer is 1.0570008340246E-31. We assume you are converting between light year and femtometre. You can view more details on each measurement unit: light-year or femtometer The SI base unit for length is the metre. 1 metre is equal to 1.0570008340246E-16 light-year, or 1.0E+15 femtometer. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between light years and femtometers. Type in your own numbers in the form to convert the units!
1 light-year to femtometer = 9.4607304725808E+30 femtometer
2 light-year to femtometer = 1.8921460945162E+31 femtometer
3 light-year to femtometer = 2.8382191417742E+31 femtometer
4 light-year to femtometer = 3.7842921890323E+31 femtometer
5 light-year to femtometer = 4.7303652362904E+31 femtometer
6 light-year to femtometer = 5.6764382835485E+31 femtometer
7 light-year to femtometer = 6.6225113308066E+31 femtometer
8 light-year to femtometer = 7.5685843780646E+31 femtometer
9 light-year to femtometer = 8.5146574253227E+31 femtometer
10 light-year to femtometer = 9.4607304725808E+31 femtometer
You can do the reverse unit conversion from femtometer to light-year, or enter any two units below:
A light year, abbreviated ly, is the distance light travels in one year: roughly 9.46 × 1012 kilometres (9.46 petametres, or about 5.88 × 1012 (nearly six trillion) miles). More specifically, a light year is defined as the distance that a photon would travel, in free space and infinitely far away from any gravitational or magnetic fields, in one Julian year (365.25 days of 86400 seconds each).
The SI prefix "femto" represents a factor of 10-15, or in exponential notation, 1E-15.
So 1 femtometre = 10-15 metre.
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