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Kilometers to Lightyears Converter

Enter Kilometers

km

Lightyears

ly

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⇅ Switch toLightyears to Kilometers Converter

How to use this Kilometers to Lightyears Converter 🤔

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

1. Enter the input Kilometers value in the text field.
2. The calculator converts the given Kilometers into Lightyears in realtime ⌚ using the conversion formula, and displays under the Lightyears label. You do not need to click any button. If the input changes, Lightyears value is re-calculated, just like that.
3. You may copy the resulting Lightyears 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 Kilometers to Lightyears?

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

Length_(Lightyears) = Length_(Kilometers) / 9460730472801.121

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

Calculation

Calculation will be done after you enter a valid input.

Examples

1

Consider that a high-end electric car has a maximum range of 400 kilometers on a single charge.
Convert this range from kilometers to Lightyears.

Answer:

Given:

The length in kilometers is:

Length_(Kilometers) = 400

Formula:

The formula to convert length from kilometers to lightyears is:

Length_(Lightyears) = Length_(Kilometers) / 9460730472801.121

Substitution:

Substitute given weight Length_(Kilometers) = 400 in the above formula.

Length_(Lightyears) = 400 / 9460730472801.121

Length_(Lightyears) = 4.228e-11

Final Answer:

Therefore, 400 km is equal to 4.228e-11 ly.

The length is 4.228e-11 ly, in lightyears.

2

Consider that a private helicopter has a flight range of 150 kilometers.
Convert this range from kilometers to Lightyears.

Answer:

Given:

The length in kilometers is:

Length_(Kilometers) = 150

Formula:

The formula to convert length from kilometers to lightyears is:

Length_(Lightyears) = Length_(Kilometers) / 9460730472801.121

Substitution:

Substitute given weight Length_(Kilometers) = 150 in the above formula.

Length_(Lightyears) = 150 / 9460730472801.121

Length_(Lightyears) = 1.5855e-11

Final Answer:

Therefore, 150 km is equal to 1.5855e-11 ly.

The length is 1.5855e-11 ly, in lightyears.

Kilometers to Lightyears Conversion Table

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

Kilometers (km)	Lightyears (ly)
0 km	0 ly
1 km	0 ly
2 km	0 ly
3 km	0 ly
4 km	0 ly
5 km	0 ly
6 km	0 ly
7 km	0 ly
8 km	0 ly
9 km	0 ly
10 km	0 ly
20 km	0 ly
50 km	1e-11 ly
100 km	1e-11 ly
1000 km	1.1e-10 ly
10000 km	1.06e-9 ly
100000 km	1.057e-8 ly

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.

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.

Frequently Asked Questions (FAQs)

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

2. Is this tool free or paid?

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

{
  "conversion": "kilometers-lightyears",
  "x_slug": "kilometers",
  "y_slug": "lightyears",
  "x": "km",
  "y": "ly",
  "x_desc": "Kilometers",
  "y_desc": "Lightyears",
  "category": "Length",
  "symbol": "m",
  "formula": "x / 9460730472801.121",
  "precision": 16,
  "examples": "<div class=\"example\">\n        <div class=\"example_head\"><span class=\"example_n\">1</span>\n        <h3 class=\"question\">Consider that a high-end electric car has a maximum range of 400 kilometers on a single charge.<br>Convert this range from kilometers to Lightyears.</h3></div>\n        <h4 class=\"answer\">Answer:</h4>\n        <p><strong>Given:</strong></p>\n        <p>The length  in kilometers is:</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span>  = 400</p>\n        <p><strong>Formula:</strong></p>\n        <p>The formula to convert length from kilometers to lightyears is:</p>\n        <p class=\"formula step\"><span>Length<sub>(Lightyears)</sub></span> = <span>Length<sub>(Kilometers)</sub></span> / 9460730472801.121</p>\n        <p><strong>Substitution:</strong></p>\n        <p>Substitute given weight  <strong>Length<sub>(Kilometers)</sub> = 400</strong> in the above formula.</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span> = <span>400</span> / 9460730472801.121</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span> = 4.228e-11</p>\n        <p><strong>Final Answer:</strong></p>\n        <p>Therefore, <strong>400 km</strong> is equal to <strong>4.228e-11 ly</strong>.</p>\n        <p>The length  is <strong>4.228e-11 ly</strong>, in lightyears.</p>\n        </div>\n      <div class=\"example\">\n        <div class=\"example_head\"><span class=\"example_n\">2</span>\n        <h3 class=\"question\">Consider that a private helicopter has a flight range of 150 kilometers.<br>Convert this range from kilometers to Lightyears.</h3></div>\n        <h4 class=\"answer\">Answer:</h4>\n        <p><strong>Given:</strong></p>\n        <p>The length  in kilometers is:</p>\n        <p class=\"step\"><span>Length<sub>(Kilometers)</sub></span>  = 150</p>\n        <p><strong>Formula:</strong></p>\n        <p>The formula to convert length from kilometers to lightyears is:</p>\n        <p class=\"formula step\"><span>Length<sub>(Lightyears)</sub></span> = <span>Length<sub>(Kilometers)</sub></span> / 9460730472801.121</p>\n        <p><strong>Substitution:</strong></p>\n        <p>Substitute given weight  <strong>Length<sub>(Kilometers)</sub> = 150</strong> in the above formula.</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span> = <span>150</span> / 9460730472801.121</p>\n        <p class=\"step\"><span>Length<sub>(Lightyears)</sub></span> = 1.5855e-11</p>\n        <p><strong>Final Answer:</strong></p>\n        <p>Therefore, <strong>150 km</strong> is equal to <strong>1.5855e-11 ly</strong>.</p>\n        <p>The length  is <strong>1.5855e-11 ly</strong>, in lightyears.</p>\n        </div>\n      ",
  "structured_data_1": "\n<script type=\"application/ld+json\">\n{\n  \"@context\": \"https://schema.org\",\n  \"@type\": \"WebApplication\",\n  \"name\": \"Kilometers to Lightyears Unit Converter\",\n  \"url\": \"https://convertonline.org/unit/?convert=kg-gram\",\n  \"applicationCategory\": \"Utility\",\n  \"operatingSystem\": \"All\",\n  \"description\": \"Convert Kilometers (km) to Lightyears (ly) using this online Length unit converter. Conversion formula, real life examples, conversion tables, etc.\",\n  \"softwareVersion\": \"1.0\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"0.00\",\n    \"priceCurrency\": \"USD\"\n  },\n  \"creator\": {\n    \"@type\": \"Organization\",\n    \"name\": \"ConvertOnline\",\n    \"url\": \"https://convertonline.org\"\n  },\n  \"featureList\": [\n    \"Convert Kilometers to Lightyears\",\n    \"Instant conversion results\",\n    \"Free to use\"\n  ],\n  \"keywords\": \"km to ly, Kilometers to Lightyears converter, unit conversion, Length conversion\"\n}\n</script>\n          ",
  "img": "<img class=\"conversion\" src=\"/images/unit/length/kilometers-lightyears.webp\" height=\"360\" width=\"640\" alt=\"Kilometers to Lightyears Converter | km to ly\" />",
  "table1n": "<h2><span class=\"x\">Kilometers</span> to <span class=\"y\">Lightyears</span> Conversion Table</h2><p>The following table gives some of the most used conversions from Kilometers to Lightyears.</p><table><thead><tr><th scope=\"column\" role=\"columnheader\">Kilometers (<span class=\"unit\">km</span>)</th><th scope=\"column\" role=\"columnheader\">Lightyears (<span class=\"unit\">ly</span>)</th><tr></thead><tbody><tr><td>0 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>1 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>2 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>3 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>4 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>5 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>6 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>7 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>8 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>9 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>10 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>20 <span class=\"unit\">km</span></td><td>0 <span class=\"unit\">ly</span></td></tr><tr><td>50 <span class=\"unit\">km</span></td><td>1e-11 <span class=\"unit\">ly</span></td></tr><tr><td>100 <span class=\"unit\">km</span></td><td>1e-11 <span class=\"unit\">ly</span></td></tr><tr><td>1000 <span class=\"unit\">km</span></td><td>1<span>.1e-10</span> <span class=\"unit\">ly</span></td></tr><tr><td>10000 <span class=\"unit\">km</span></td><td>1<span>.06e-9</span> <span class=\"unit\">ly</span></td></tr><tr><td>100000 <span class=\"unit\">km</span></td><td>1<span>.057e-8</span> <span class=\"unit\">ly</span></td></tr></table>",
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      "meters",
      "Meters",
      "m"
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      "kilometers",
      "Kilometers",
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      "Millimeters",
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    [
      "micrometers",
      "Micrometers",
      "µm"
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    [
      "nanometers",
      "Nanometers",
      "nm"
    ],
    [
      "miles",
      "Miles",
      "mi"
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    [
      "yards",
      "Yards",
      "yd"
    ],
    [
      "feet",
      "Feet",
      "ft"
    ],
    [
      "inches",
      "Inches",
      "in"
    ],
    [
      "lightyears",
      "Lightyears",
      "ly"
    ],
    [
      "exameters",
      "Exameters",
      "Em"
    ],
    [
      "petameters",
      "Petameters",
      "Pm"
    ],
    [
      "terameters",
      "Terameters",
      "Tm"
    ],
    [
      "gigameters",
      "Gigameters",
      "Gm"
    ],
    [
      "megameters",
      "Megameters",
      "Mm"
    ],
    [
      "hectometers",
      "Hectameters",
      "hm"
    ],
    [
      "dekameters",
      "Dekameters",
      "dam"
    ],
    [
      "microns",
      "Microns",
      "µ"
    ],
    [
      "picometers",
      "Picometers",
      "pm"
    ],
    [
      "femtometers",
      "Femtometers",
      "fm"
    ],
    [
      "attometers",
      "Attometers",
      "am"
    ],
    [
      "megaparsecs",
      "Megaparsecs",
      "Mpc"
    ],
    [
      "kiloparsecs",
      "Kiloparsecs",
      "kpc"
    ],
    [
      "parsecs",
      "Parsecs",
      "pc"
    ],
    [
      "astronomical_unit",
      "Astronomical Units",
      "AU"
    ],
    [
      "leagues",
      "Leagues",
      "lea"
    ],
    [
      "nautical_leagues_uk",
      "Nautical Leagues (UK)",
      "nautical league"
    ],
    [
      "nautical_leagues",
      "Nautical Leagues (International)",
      "nautical league"
    ],
    [
      "leagues_statute",
      "Leagues (statute)",
      "st.league"
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    [
      "nautical_miles_uk",
      "Nautical Miles (UK)",
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    ],
    [
      "nautical_miles",
      "Nautical miles (International)",
      "nmi"
    ],
    [
      "miles_statute",
      "Miles (statute)",
      "mi (US)"
    ],
    [
      "miles_us_survey",
      "Miles (US survey)",
      "mi"
    ],
    [
      "miles_roman",
      "Miles (Roman)",
      "mi (roman)"
    ],
    [
      "kiloyards",
      "Kiloyards",
      "kyd"
    ],
    [
      "furlongs",
      "Furlongs",
      "fur"
    ],
    [
      "furlongs_us_survey",
      "Furlongs (US survey)",
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    ],
    [
      "chains",
      "Chains",
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    ],
    [
      "chain_us_survey",
      "Chains (US survey)",
      "ch"
    ],
    [
      "ropes",
      "Ropes",
      "rope"
    ],
    [
      "rods",
      "Rod",
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    ],
    [
      "rods_us_survey",
      "Rods (US survey)",
      "rd"
    ],
    [
      "perch",
      "Perch",
      "perch"
    ],
    [
      "poles",
      "Poles",
      "pole"
    ],
    [
      "fathoms",
      "Fathoms",
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    ],
    [
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      "Fathoms (US survey)",
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      "ell",
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    ],
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      "foot_us_survey",
      "Feet (US survey)",
      "ft"
    ],
    [
      "links",
      "Links",
      "li"
    ],
    [
      "links_us_survey",
      "link (US survey)",
      "li"
    ],
    [
      "cubits_uk",
      "Cubits (UK)",
      "cubit"
    ],
    [
      "hands",
      "Hands",
      "hand"
    ],
    [
      "span_cloth",
      "Span (cloth)",
      "span"
    ],
    [
      "fingers_cloth",
      "Fingers (cloth)",
      "finger"
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    [
      "nails",
      "Nails (cloth)",
      "nail"
    ],
    [
      "inches_us_survey",
      "Inches (US survey)",
      "in"
    ],
    [
      "barleycorns",
      "Barleycorns",
      "barleycorn"
    ],
    [
      "mil",
      "mil",
      "mil"
    ],
    [
      "microinches",
      "Microinches",
      "µin"
    ],
    [
      "angstroms",
      "Angstroms",
      "A"
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    [
      "fermi",
      "Fermi",
      "f"
    ],
    [
      "arpents",
      "Arpent",
      "arpent"
    ],
    [
      "picas",
      "Pica",
      "pica"
    ],
    [
      "points",
      "Point",
      "point"
    ],
    [
      "twips",
      "Twip",
      "twip"
    ],
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      "aln",
      "aln",
      "aln"
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    [
      "famns",
      "Famns",
      "famn"
    ],
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      "calibers",
      "Caliber",
      "cl"
    ],
    [
      "centiinches",
      "Centiinch",
      "cin"
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    [
      "kens",
      "Kens",
      "ken"
    ],
    [
      "russian_archin",
      "Russian archin",
      "russian archin"
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      "Roman actus",
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      "Vara Conuquera",
      "vara conuquera"
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      "vara_castellana",
      "vara Castellana",
      "vara castellana"
    ],
    [
      "cubits_greek",
      "Cubit (Greek)",
      "cubit (Greek)"
    ],
    [
      "long_reeds",
      "Long Reed",
      "long reed"
    ],
    [
      "reeds",
      "Reed",
      "reed"
    ],
    [
      "long_cubits",
      "Long cubits",
      "long cubit"
    ],
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      "handbreadths",
      "Handbreadth",
      "handbreadth"
    ],
    [
      "fingerbreadth",
      "Fingerbreadth",
      "fingerbreadth"
    ],
    [
      "planck_length",
      "Planck length",
      "Planck length"
    ],
    [
      "electron_radius_classical",
      "Electron radius (classical) ",
      "electron radius"
    ],
    [
      "bohr_radius",
      "Bohr radius",
      "b"
    ],
    [
      "earths_equatorial_radius",
      "Earth's equatorial radius",
      "earth's equatorial radius"
    ],
    [
      "earths_polar_radius",
      "Earth's polar radius",
      "Earth's polar radius"
    ],
    [
      "earths_distance_from_sun",
      "Earth's distance from sun",
      "earth's distance from sun"
    ],
    [
      "suns_radius",
      "Sun's radius",
      "sun's radius"
    ]
  ],
  "x_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.",
  "y_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."
}