The equator is a unit of distance. 1 The equator is equal to the distance between longitude differences of 1 degree on the equator.
- Chinese name
- Equatorial degree
- Type
- Distance unit
The average radius of the earth is 6371km, equatorial circumference About 40000 km, 1 equatorial degree=40000 ÷ 360=111.11 km, that is, 1 equatorial degree is about 111 km. 
