Astronomical unit to Light hour Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert astronomical units [au] to light hours [lh] or light hours [lh] to astronomical units [au]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert astronomical units to light hours
There are two simple ways to convert astronomical units [au] to light hours [lh]. In the first calculation method, the value in astronomical units [au] is divided by the rounded conversion factor of 7.2144. The second method multiplies the value in astronomical units [au] by the rounded conversion factor of 0.1386.
- Light hours [lh] ≈ astronomical units [au] ÷ 7.2144
- Light hours [lh] ≈ astronomical units [au] * 0.1386
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of astronomical units [au] to light hours [lh] can be achieved using the following calculation method.
- Light hours [lh] = astronomical units [au] ÷ 36,792 ÷ 293,339 * 23,367 * 64,021
Convert light hours to astronomical units
Converting light hours [lh] to astronomical units [au] is easy and can be done in two ways. The first method involves multiplication, in which the value in light hours [lh] is multiplied by the rounded conversion factor of 7.2144. The second variant is a division. Here, the value in light hours [lh] is divided by the rounded conversion factor of 0.1386.
- Astronomical units [au] ≈ light hours [lh] * 7.2144
- Astronomical units [au] ≈ light hours [lh] ÷ 0.1386
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of light hours [lh] to astronomical units [au] can be achieved using the following calculation method.
- Astronomical units [au] = light hours [lh] * 36,792 * 293,339 ÷ 23,367 ÷ 64,021
Converter
Decimal places
How it's calculated
To all available units
Astronomical units
Light minutes
Astronomical units
Light seconds
Astronomical units
Megaparsecs
Astronomical units
Parsecs
Astronomical units
Planck length
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