kmからlyへの変換 (km → ly)

1 km = 0ly. 測定カテゴリ間をスムーズに切り替え、リアルタイムで全単位マトリックスを計算し、瞬時に結果をコピーできます。

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長さ・距離 Converter

Decimals:

From

Formula: --

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Step-by-Step Mathematical Derivation

Verified SI Standard

➡️ Convert km to ly

Value in ly = Value in km × 1.057004e-13

To convert any quantity from km to ly, multiply the quantity by the constant conversion factor 1.057004e-13.

⬅️ Convert ly to km (Inverse)

Value in km = Value in ly × 9.460700e+12

To reverse the operation, multiply your ly figure by 9.460700e+12 (or divide by 1.057004e-13).

🔢 Step-by-Step Calculation Procedure:

Identify the starting value in km (km).
Apply the exact linear conversion factor: 1 km = 1.057004e-13 ly.
Multiply the input value by 1.057004e-13 to obtain the exact measurement in ly (ly).
Verify precision against standard BIPM / NIST SP 811 statutory guidelines.

⚡

All-Units Instant Matrix

Live Computed

m --

km --

cm --

mm --

um --

µm

nm --

mi --

yd --

ft --

in --

nmi --

nmi

ly --

au --

px --

pt --

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Printable Reference Cheat Sheet

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Length & Distance Reference Sheet

Standard SI Base Unit: 1 m

aiunitconverters.com

10/14/2026

Unit Name	Symbol	System	Equivalent in m
Meter	m	Standard	1 m = 1 m
Kilometer	km	Standard	1 km = 1000 m
Centimeter	cm	Standard	1 cm = 0.01 m
Millimeter	mm	Standard	1 mm = 0.001 m
Micrometer (Micron)	µm	Standard	1 µm = 1.0000e-6 m
Nanometer	nm	Standard	1 nm = 1.0000e-9 m
Mile	mi	Standard	1 mi = 1609.344 m
Yard	yd	Standard	1 yd = 0.9144 m
Foot	ft	Standard	1 ft = 0.3048 m
Inch	in	Standard	1 in = 0.0254 m
Nautical Mile	nmi	Standard	1 nmi = 1852 m
Light Year	ly	Standard	1 ly = 9.4607e+15 m
Astronomical Unit	AU	Standard	1 AU = 1.4960e+11 m
Pixel (at 96 DPI)	px	Standard	1 px = 2.6458e-4 m
Point (Typographic)	pt	Standard	1 pt = 3.5278e-4 m

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Academic & Research Citation Exporter

Cite this mathematical formula and conversion factor in research papers and wikis

BibTeX / APA / IEEE

@misc{ai_unit_converter_km_to_ly,
  author       = {AI Unit Converters Standards Board},
  title        = {Exact km to ly Conversion Factor and Mathematical Derivation},
  year         = {2026},
  howpublished = {\url{https://aiunitconverters.com/ja/length/km-to-ly}},
  note         = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
}

AI Unit Converters. (2026). km to ly conversion formula & metric standard. Retrieved from https://aiunitconverters.com/ja/length/km-to-ly

[1] AI Unit Converters Standards Board, "km to ly conversion factor," 2026. [Online]. Available: https://aiunitconverters.com/ja/length/km-to-ly. [Accessed: Oct 14, 2026].

\[ 1\text{ km} = \text{factor} \times 1\text{ ly} \]

📊基準換算表

km (km)ly (ly)

1km	0ly
2km	0ly
5km	0ly
10km	0ly
15km	0ly
20km	0ly
25km	0ly
50km	0ly
75km	0ly
100km	0ly
250km	0ly
500km	0ly
1000km	0ly
5000km	0ly
10000km	0ly

ly (ly)km (km)

1ly	9,460,700,000,000km
2ly	18,921,400,000,000km
5ly	47,303,500,000,000km
10ly	94,607,000,000,000km
15ly	141,910,500,000,000km
20ly	189,214,000,000,000km
25ly	236,517,500,000,000km
50ly	473,035,000,000,000km
75ly	709,552,500,000,000km
100ly	946,070,000,000,000km
250ly	2,365,175,000,000,000km
500ly	4,730,350,000,000,000km
1000ly	9,460,700,000,000,000km
5000ly	47,303,500,000,000,000km
10000ly	94,607,000,000,000,000km