SizerooHow wide is Earth's inner core?
1,516 milesAbout 2,440 km · Planet-sized
About 1,520 miles (2,440 km), a ball of solid iron and nickel about 70% as wide as the Moon.
A red kangaroo would need about 300,000 hops (26 ft, or 8 m, each) to cover it.
🌍1,516 miles
🏊an Ironman
To scale: Earth's inner core is about 11× bigger than an Ironman.
Things about the same size
- How long is the Great Barrier Reef?1,429 miles
- How long is the Colorado River?1,448 miles
- How wide is Pluto?1,477 miles
- How long is the Danube?1,771 miles
- How long is the Rio Grande?1,896 miles
- How long is Interstate 95?1,908 miles
- How wide is Europa, Jupiter's icy moon?1,940 miles
- How long is the US–Mexico border?1,954 miles
Many real things vary in size, so we use a typical or official figure. Spotted a mistake? Email [email protected].