How long is a Nuclear Fireball (1 Megaton)?

A Nuclear Fireball (1 Megaton) is 1.2 miles (1.9 km) long.

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Length Overview

Imperial

1.2 miles

Metric

1.9 km

Football Fields

17.6

Category

Physics

A 1-megaton nuclear detonation produces a fireball 1.2 miles (1.93 km) in diameter. The thermal flash lasts 1-10 seconds. The mushroom cloud reaches 80,000+ feet. Everything within the fireball is vaporized instantly.

How many Nuclear Fireball (1 Megaton)s fit in...?

School Buses

181.0

Football Fields

17.6

Blue Whales

63.4

Compare to a custom length

= 1056.0 × Nuclear Fireball (1 Megaton)

For perspective...

  • • The fireball would cover all of Central Park
  • • Thermal radiation causes 3rd-degree burns at 5 miles
  • • The mushroom cloud is 3x the cruising altitude of commercial jets
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Frequently Asked Questions

How long is a Nuclear Fireball (1 Megaton)?
A 1-megaton nuclear detonation produces a fireball 1.2 miles (1.93 km) in diameter. The thermal flash lasts 1-10 seconds. The mushroom cloud reaches 80,000+ feet. Everything within the fireball is vaporized instantly.
How many football fields is a Nuclear Fireball (1 Megaton)?
A Nuclear Fireball (1 Megaton) is 17.6 football fields long (1.2 miles (1.9 km)).

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