Kilometers to Light-years Converter

Enter a value to calculate the result instantly and free of charge.

km
1.0570008E-13ly

1 km = 1.0570008E-13 ly

Conversion summary

1 km = 1.05700083e-13 ly

Formula
Light-year = Kilometer ÷ 9,460,730,472,580
Category
Length
Units
km → ly

1 km in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

Metric

  • Meter1,000 m
  • Centimeter100,000 cm
  • Decimeter10,000 dm
  • Millimeter1,000,000 mm
  • Micrometer1,000,000,000 µm
  • Nanometer1,000,000,000,000 nm
  • Picometer1E15 pm

US / Imperial

Traditional and regional

  • Arshin1,470.588 arshin
  • Endaze1,538.462 endaze
  • Byzantine Foot3,176.62 pus
  • Byzantine Fathom529.4367 orgyia
  • Cig3,003.003 cig

Scientific

How do you convert kilometers to light-years?

To convert kilometers to light-years, divide the number of kilometers by 9,460,730,472,580. 1 km = 1.0570e-13 ly.

Conversion formula

Light-year = Kilometer ÷ 9,460,730,472,580

Kilometers to light-years conversion table

Kilometers (km)Light-years (ly)
1.00000000e+9 km0.0001057 ly
9.46073047e+12 km1 ly
5.00000000e+13 km5.285 ly

What is Kilometer?

The kilometer is a unit of length equal to 1,000 meters. It is commonly used for roads, cities and geographical distances.

Short history of Kilometer

The kilometer emerged naturally within the decimal metric system and became a standard way to express larger terrestrial distances.

Open the Kilometer unit guide

What is Light-year?

Light-year is a length unit used to express distance, size or travel range in practical measurement work.

Short history of Light-year

Light-year became established as a practical length unit in technical, commercial or scientific use.

Open the Light-year unit guide

Frequently asked questions

What is 1 Kilometer in Light-year?

1 km = 1.05700083e-13 ly. Enter another value in the converter to calculate its equivalent instantly.

How do you convert Kilometer to Light-year?

To convert kilometers to light-years, divide the number of kilometers by 9,460,730,472,580. 1 km = 1.0570e-13 ly.

How precise are the results?

Conversion results are calculated to 12 significant figures. Very large or very small values are shown in scientific notation.

Is the Kilometer to Light-year converter free?

Yes. The conversion tool on BirimCeviri.app is free and requires no sign-up.

Frequently asked questions

How many light-years are in 1 kilometer?

1 km = 1.0570e-13 ly.

How do you convert kilometers to light-years?

To convert kilometers to light-years, divide the number of kilometers by 9,460,730,472,580. 1 km = 1.0570e-13 ly.

How many kilometers are in 1 light-year?

1 ly = 9.4607e+12 km.

Sources

The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: SI Units – Length
  3. NIST: Guide for the Use of the International System of Units

Other languages

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