Convert meters to light-years
1 m = 0.000000000000000105700083402 ly — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 50 length units
- Gigameters Gm 1e-9
- Megameters Mm 0.000 001
- Kilometers km 0.001
- Hectometers hm 0.01
- Decameters dam 0.1
- Meters m 1
- Decimeters dm 10
- Centimeters cm 100
- Millimeters mm 1000
- Micrometers µm 1 000 000
- Nanometers nm 1 000 000 000
- Picometers pm 1 000 000 000 000
- Femtometers fm 1 000 000 000 000 000
- Inches in 39.370 078 740 2
- Feet ft 3.280 839 895 01
- Yards yd 1.093 613 298 34
- Miles mi 0.000 621 371 192 237
- Nautical miles nmi 0.000 539 956 803 456
- Thous thou 39 370.078 740 2
- Hands hh 9.842 519 685 04
- Links li 4.970 969 537 9
- Spans span 4.374 453 193 35
- Cubits cubit 2.187 226 596 68
- Ells ell 0.874 890 638 67
- Fathoms ftm 0.546 806 649 169
- Rods rd 0.198 838 781 516
- Chains ch 0.049 709 695 379
- Furlongs fur 0.004 970 969 537 9
- Leagues lea 0.000 207 123 730 746
- Barleycorns barleycorn 118.110 236 22
- US survey feet ft (US) 3.280 833 333 33
- US survey miles mi (US) 0.000 621 369 949 495
- Ångströms Å 10 000 000 000
- Microns µ 1 000 000
- Bohr radiuss a₀ 18 897 261 259.1
- Planck lengths ℓₚ 6.18714249917e+34
- Astronomical units au 6.68458712227e-12
- Light-years ly 1.05700083402e-16
- Light-seconds ls 3.33564095198e-9
- Light-minutes lmin 5.55940158664e-11
- Parsecs pc 3.24077928944e-17
- Kiloparsecs kpc 3.24077928944e-20
- Megaparsecs Mpc 3.24077928944e-23
- Solar radiuss R☉ 1.43740117867e-9
- Earth radiuss R🜨 0.000 000 156 961 230 576
- Point (DTP)s pt 2834.645 669 29
- Picas pc 236.220 472 441
- Scandinavian miles mil 0.0001
- Versts вер 0.000 937 382 827 147
- Lis 里 0.002
Every row is Meter (m) converted through the meter, in exact rational arithmetic.
How to convert meters to light-years
Multiply the number of meters by 0.000000000000000105700083402 to get light-years.
Light-year: Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.
Meter to Light-year conversion table
| Meters (m) | Light-years (ly) |
|---|---|
| 1 m | 1.0570008e-16 |
| 2 m | 2.1140017e-16 |
| 3 m | 3.1710025e-16 |
| 5 m | 5.2850042e-16 |
| 10 m | 1.0570008e-15 |
| 20 m | 2.1140017e-15 |
| 25 m | 2.6425021e-15 |
| 50 m | 5.2850042e-15 |
| 100 m | 1.0570008e-14 |
| 250 m | 2.6425021e-14 |
| 500 m | 5.2850042e-14 |
| 1000 m | 1.0570008e-13 |
Light-year to Meter conversion table
| Light-years (ly) | Meters (m) |
|---|---|
| 1 ly | 9 460 730 500 000 000 |
| 2 ly | 1.8921461e+16 |
| 3 ly | 2.8382191e+16 |
| 5 ly | 4.7303652e+16 |
| 10 ly | 9.4607305e+16 |
| 20 ly | 1.8921461e+17 |
| 25 ly | 2.3651826e+17 |
| 50 ly | 4.7303652e+17 |
| 100 ly | 9.4607305e+17 |
| 250 ly | 2.3651826e+18 |
| 500 ly | 4.7303652e+18 |
| 1000 ly | 9.4607305e+18 |
Frequently asked
How many light-years are in a meter?
One meter equals 1.057000834e-16 light-years (m → ly). That figure is exact, not rounded.
How do you convert meters to light-years?
Multiply the number of meters by 0.000000000000000105700083402 to get light-years.
What is 1 ly in meters?
One light-year is 9460730473000000 meters.
What is 10 m in ly?
10 m = 1.0570008e-15 ly.
What exactly is a light-year?
Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.