How far does light travel in one second?
299,792 kmAbout 186,300 miles · Planet-sized
299,792 km, enough to go around Earth about 7.5 times.
A red kangaroo would need about 37,000,000 hops (8 m each) to cover it.
💡299,792 km
📡geostationary orbit
To scale: one light-second is about 8.4× bigger than geostationary orbit.
Things about the same size
- How wide is Neptune?49,244 km
- How wide is Uranus?50,724 km
- How long is the Mid-Ocean Ridge?65,000 km
- How wide is Saturn, not counting its rings?116,460 km
- How wide is Jupiter?139,820 km
- How wide are Saturn's main rings?273,000 km
- How close does the Moon get to Earth?356,500 km
- How far away is the Moon?384,400 km
Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email hello@guessroo.com.