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Lightyears to Kilometers Converter

Enter Lightyears

ly

Kilometers

km

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⇅ Switch toKilometers to Lightyears Converter

How to use this Lightyears to Kilometers Converter 🤔

Follow these steps to convert given length from the units of Lightyears to the units of Kilometers.

1. Enter the input Lightyears value in the text field.
2. The calculator converts the given Lightyears into Kilometers in realtime ⌚ using the conversion formula, and displays under the Kilometers label. You do not need to click any button. If the input changes, Kilometers value is re-calculated, just like that.
3. You may copy the resulting Kilometers value using the Copy button.
4. To view a detailed step by step calculation of the conversion, click on the View Calculation button.
5. You can also reset the input by clicking on Reset button present below the input field.

What is the Formula to convert Lightyears to Kilometers?

The formula to convert given length from Lightyears to Kilometers is:

Length_(Kilometers) = Length_(Lightyears) / 1.057000834e-13

Substitute the given value of length in lightyears, i.e., Length_(Lightyears) in the above formula and simplify the right-hand side value. The resulting value is the length in kilometers, i.e., Length_(Kilometers).

Calculation

Calculation will be done after you enter a valid input.

Examples

1

Consider that a distant exoplanet is located 4.5 lightyears away from Earth.
Convert this distance from lightyears to Kilometers.

Answer:

Given:

The length in lightyears is:

Length_(Lightyears) = 4.5

Formula:

The formula to convert length from lightyears to kilometers is:

Length_(Kilometers) = Length_(Lightyears) / 1.057000834e-13

Substitution:

Substitute given weight Length_(Lightyears) = 4.5 in the above formula.

Length_(Kilometers) = 4.5 / 1.057000834e-13

Length_(Kilometers) = 42573287127605.05

Final Answer:

Therefore, 4.5 ly is equal to 42573287127605.05 km.

The length is 42573287127605.05 km, in kilometers.

2

Consider that the nearest star, Proxima Centauri, is about 4.24 lightyears from our solar system.
Convert this distance from lightyears to Kilometers.

Answer:

Given:

The length in lightyears is:

Length_(Lightyears) = 4.24

Formula:

The formula to convert length from lightyears to kilometers is:

Length_(Kilometers) = Length_(Lightyears) / 1.057000834e-13

Substitution:

Substitute given weight Length_(Lightyears) = 4.24 in the above formula.

Length_(Kilometers) = 4.24 / 1.057000834e-13

Length_(Kilometers) = 40113497204676.76

Final Answer:

Therefore, 4.24 ly is equal to 40113497204676.76 km.

The length is 40113497204676.76 km, in kilometers.

Lightyears to Kilometers Conversion Table

The following table gives some of the most used conversions from Lightyears to Kilometers.

Lightyears (ly)	Kilometers (km)
0 ly	0 km
1 ly	9460730472801.121 km
2 ly	18921460945602.242 km
3 ly	28382191418403.367 km
4 ly	37842921891204.484 km
5 ly	47303652364005.61 km
6 ly	56764382836806.734 km
7 ly	66225113309607.85 km
8 ly	75685843782408.97 km
9 ly	85146574255210.1 km
10 ly	94607304728011.22 km
20 ly	189214609456022.44 km
50 ly	473036523640056.1 km
100 ly	946073047280112.2 km
1000 ly	9460730472801122 km
10000 ly	94607304728011220 km
100000 ly	946073047280112300 km

Lightyears

A light-year is a unit of length used in astronomy to measure vast distances. One light-year is equivalent to approximately 9.461 trillion kilometers or about 5.879 trillion miles.

A light-year is defined by the distance that light travels in a vacuum in one year, which is about 9.461 × 10^12 kilometers.

Light-years are used to measure distances between stars, galaxies, and other celestial objects. They provide a convenient way to express astronomical distances, making it easier to understand the scale of the universe.

Kilometers

A kilometer (km) is a unit of length in the International System of Units (SI), equal to 0.6214 miles. One kilometer is one thousand meters.

The prefix "kilo-" means one thousand. A kilometer is defined by 1000 times the distance light travels in 1/299,792,458 seconds. This definition may change, but a kilometer will always be one thousand meters.

Kilometers are used to measure distances on land in most countries. However, the United States and the United Kingdom still often use miles. The UK has adopted the metric system, but miles are still used on road signs.

Frequently Asked Questions (FAQs)

1. What is the formula for converting Lightyears to Kilometers in Length?

2. Is this tool free or paid?

3. How do I convert Length from Lightyears to Kilometers?

{
  "conversion": "lightyears-kilometers",
  "x_slug": "lightyears",
  "y_slug": "kilometers",
  "x": "ly",
  "y": "km",
  "x_desc": "Lightyears",
  "y_desc": "Kilometers",
  "category": "Length",
  "symbol": "m",
  "formula": "x / 1.057000834e-13",
  "precision": 16,
  "examples": "<div class=\"example\">\n        <div class=\"example_head\"><span class=\"example_n\">1</span>\n        <h3 class=\"question\">Consider that a distant exoplanet is located 4.5 lightyears away from Earth.<br>Convert this distance from lightyears to Kilometers.</h3></div>\n        <h4 class=\"answer\">Answer:</h4>\n        <p><strong>Given:</strong></p>\n        <p>The length  in lightyears is:</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span>  = 4.5</p>\n        <p><strong>Formula:</strong></p>\n        <p>The formula to convert length from lightyears to kilometers is:</p>\n        <p class=\"formula step\"><span>Length<sub>(Kilometers)</sub></span> = <span>Length<sub>(Lightyears)</sub></span> / 1.057000834e-13</p>\n        <p><strong>Substitution:</strong></p>\n        <p>Substitute given weight  <strong>Length<sub>(Lightyears)</sub> = 4.5</strong> in the above formula.</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span> = <span>4.5</span> / 1.057000834e-13</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span> = 42573287127605.05</p>\n        <p><strong>Final Answer:</strong></p>\n        <p>Therefore, <strong>4.5 ly</strong> is equal to <strong>42573287127605.05 km</strong>.</p>\n        <p>The length  is <strong>42573287127605.05 km</strong>, in kilometers.</p>\n        </div>\n      <div class=\"example\">\n        <div class=\"example_head\"><span class=\"example_n\">2</span>\n        <h3 class=\"question\">Consider that the nearest star, Proxima Centauri, is about 4.24 lightyears from our solar system.<br>Convert this distance from lightyears to Kilometers.</h3></div>\n        <h4 class=\"answer\">Answer:</h4>\n        <p><strong>Given:</strong></p>\n        <p>The length  in lightyears is:</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span>  = 4.24</p>\n        <p><strong>Formula:</strong></p>\n        <p>The formula to convert length from lightyears to kilometers is:</p>\n        <p class=\"formula step\"><span>Length<sub>(Kilometers)</sub></span> = <span>Length<sub>(Lightyears)</sub></span> / 1.057000834e-13</p>\n        <p><strong>Substitution:</strong></p>\n        <p>Substitute given weight  <strong>Length<sub>(Lightyears)</sub> = 4.24</strong> in the above formula.</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span> = <span>4.24</span> / 1.057000834e-13</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span> = 40113497204676.76</p>\n        <p><strong>Final Answer:</strong></p>\n        <p>Therefore, <strong>4.24 ly</strong> is equal to <strong>40113497204676.76 km</strong>.</p>\n        <p>The length  is <strong>40113497204676.76 km</strong>, in kilometers.</p>\n        </div>\n      ",
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  "img": "<img class=\"conversion\" src=\"/images/unit/length/lightyears-kilometers.webp\" height=\"360\" width=\"640\" alt=\"Lightyears to Kilometers Converter | ly to km\" />",
  "table1n": "<h2><span class=\"x\">Lightyears</span> to <span class=\"y\">Kilometers</span> Conversion Table</h2><p>The following table gives some of the most used conversions from Lightyears to Kilometers.</p><table><thead><tr><th scope=\"column\" role=\"columnheader\">Lightyears (<span class=\"unit\">ly</span>)</th><th scope=\"column\" role=\"columnheader\">Kilometers (<span class=\"unit\">km</span>)</th><tr></thead><tbody><tr><td>0 <span class=\"unit\">ly</span></td><td>0 <span class=\"unit\">km</span></td></tr><tr><td>1 <span class=\"unit\">ly</span></td><td>9460730472801<span>.121</span> <span class=\"unit\">km</span></td></tr><tr><td>2 <span class=\"unit\">ly</span></td><td>18921460945602<span>.242</span> <span class=\"unit\">km</span></td></tr><tr><td>3 <span class=\"unit\">ly</span></td><td>28382191418403<span>.367</span> <span class=\"unit\">km</span></td></tr><tr><td>4 <span class=\"unit\">ly</span></td><td>37842921891204<span>.484</span> <span class=\"unit\">km</span></td></tr><tr><td>5 <span class=\"unit\">ly</span></td><td>47303652364005<span>.61</span> <span class=\"unit\">km</span></td></tr><tr><td>6 <span class=\"unit\">ly</span></td><td>56764382836806<span>.734</span> <span class=\"unit\">km</span></td></tr><tr><td>7 <span class=\"unit\">ly</span></td><td>66225113309607<span>.85</span> <span class=\"unit\">km</span></td></tr><tr><td>8 <span class=\"unit\">ly</span></td><td>75685843782408<span>.97</span> <span class=\"unit\">km</span></td></tr><tr><td>9 <span class=\"unit\">ly</span></td><td>85146574255210<span>.1</span> <span class=\"unit\">km</span></td></tr><tr><td>10 <span class=\"unit\">ly</span></td><td>94607304728011<span>.22</span> <span class=\"unit\">km</span></td></tr><tr><td>20 <span class=\"unit\">ly</span></td><td>189214609456022<span>.44</span> <span class=\"unit\">km</span></td></tr><tr><td>50 <span class=\"unit\">ly</span></td><td>473036523640056<span>.1</span> <span class=\"unit\">km</span></td></tr><tr><td>100 <span class=\"unit\">ly</span></td><td>946073047280112<span>.2</span> <span class=\"unit\">km</span></td></tr><tr><td>1000 <span class=\"unit\">ly</span></td><td>9460730472801122 <span class=\"unit\">km</span></td></tr><tr><td>10000 <span class=\"unit\">ly</span></td><td>94607304728011220 <span class=\"unit\">km</span></td></tr><tr><td>100000 <span class=\"unit\">ly</span></td><td>946073047280112300 <span class=\"unit\">km</span></td></tr></table>",
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      "Lightyears",
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      "Exameters",
      "Em"
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      "petameters",
      "Petameters",
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      "terameters",
      "Terameters",
      "Tm"
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      "gigameters",
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      "span_cloth",
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      "mil",
      "mil"
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      "microinches",
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      "angstroms",
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      "fermi",
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      "Arpent",
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  "y_long_desc": "A kilometer (km) is a unit of length in the International System of Units (SI), equal to 0.6214 miles. One kilometer is one thousand meters. </p><p>The prefix \"kilo-\" means one thousand. A kilometer is defined by 1000 times the distance light travels in 1/299,792,458 seconds. This definition may change, but a kilometer will always be one thousand meters. </p><p>Kilometers are used to measure distances on land in most countries. However, the United States and the United Kingdom still often use miles. The UK has adopted the metric system, but miles are still used on road signs.",
  "x_long_desc": "A light-year is a unit of length used in astronomy to measure vast distances. One light-year is equivalent to approximately 9.461 trillion kilometers or about 5.879 trillion miles. </p><p>A light-year is defined by the distance that light travels in a vacuum in one year, which is about 9.461 × 10^12 kilometers.</p><p>Light-years are used to measure distances between stars, galaxies, and other celestial objects. They provide a convenient way to express astronomical distances, making it easier to understand the scale of the universe."
}