light-year to centimetre
Live light-year (ly) to centimetre (cm) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from light-year to centimetre. Use the converter above for arbitrary values.
| light-year (ly) | → | centimetre (cm) |
|---|---|---|
| 0.001 ly | → | 9.4607e+14 cm |
| 0.01 ly | → | 9.4607e+15 cm |
| 0.1 ly | → | 9.4607e+16 cm |
| 0.5 ly | → | 4.7304e+17 cm |
| 1 ly | → | 9.4607e+17 cm |
| 2 ly | → | 1.8921e+18 cm |
| 5 ly | → | 4.7304e+18 cm |
| 10 ly | → | 9.4607e+18 cm |
| 100 ly | → | 9.4607e+19 cm |
| 1,000 ly | → | 9.4607e+20 cm |
About the light-year
Distance light travels in one Julian year — about 9.46 trillion km. Astronomy.
About the centimetre
1/100 of a metre. Common for body and clothing measurements.
How light-year to centimetre conversion works
Both units belong to Length. Unitbox first expresses the input in the category reference unit (m), then expresses that same quantity in centimetre.
Common uses include plans, dimensions, travel distances, screens, and manufacturing specifications.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert light-year to centimetre?
Multiply the light-year value by 9.4607e+17 to get it in centimetre. For example, 10 ly = 9.46e+18 cm.
What is 1 ly in cm?
1 ly = 9.4607e+17 cm.
What is 100 ly in cm?
100 ly = 9.46e+19 cm.
What is the formula?
Linear: multiply by 9.4607e+17 (the unit factor ratio).
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