Asteroid Size to Impact Energy Converter

Calculate the kinetic energy of an asteroid impact based on size and velocity

Asteroid Parameters

meters
km/s
🚗
Car (5m)
🏠
House (15m)
🏙️
City Block (100m)
🏔️
Mountain (1km)

Impact Energy Results

Kinetic Energy
3.4 megatons
TNT Equivalent
3,400 kilotons
Mass
1.57 million tons
Impact Frequency
~1,000 years

Energy Equivalent To:

💣
~226x the Hiroshima nuclear bomb (15 kilotons)
~1.3x the annual output of a large power plant (500MW)
🌋
~0.003x the 1980 Mount St. Helens eruption (24 megatons)
Scroll to Top