**Full name:** light hour

**Plural form:** light hours

**Alternate spelling:** lighthour

**Category type:** length

**Scale factor:** 1079252848800

The SI base unit for length is the metre.

1 metre is equal to 9.2656693110598E-13 light hour.

Valid units must be of the **length** type.

You can use this form to select from known units:

A light-hour (also written light hour) is a unit of length. It is the distance travelled by light in vacuum in one hour. Based on the current definition of the metre a light-hour is equal to 1,079,252,848,800 metres (~1.08 Tm).

light hour to fod

light hour to township

light hour to link [Gunter, survey]

light hour to reed [Israel]

light hour to metric mile [high school]

light hour to centímetro

light hour to hvat [Croatia]

light hour to lap [competition]

light hour to em

light hour to nanometre