# How many KT is a nuclear bomb?

## How many KT is a nuclear bomb?

The Hiroshima bomb, “Little Boy”, is estimated to have been between 12 and 18 kilotonnes of TNT (50 and 75 TJ) (a 20% margin of error), while the Nagasaki bomb, “Fat Man”, is estimated to be between 18 and 23 kilotonnes of TNT (75 and 96 TJ) (a 10% margin of error).

## How many people would die from an atomic bomb?

Total Casualties

Hiroshima Nagasaki
Pre-raid population 255,000 195,000
Injured 69,000 25,000
Total Casualties 135,000 64,000

How many people would be killed by a nuclear bomb?

According to Nukemapâ€™s casualty estimator, however, this blast would still kill about 130,000 people and injure 280,000 over the next 24 hours. The tool notes that this does not include radioactive fallout effects, among other caveats.

How much damage does a 10 kt nuclear bomb do?

This damage may correspond to a distance of about 3 miles (4.8 km) from ground zero for a 10 KT nuclear explosion. The damage in this area will be highly variable as shock waves rebound multiple times off of buildings, the terrain, and even the atmosphere.

### What would happen if an 800-kiloton nuclear warhead detonated?

What would happen if an 800-kiloton nuclear warhead detonated above midtown Manhattan? Russian intercontinental ballistic missiles are believed to carry a total of approximately 1,000 strategic nuclear warheads that can hit the US less than 30 minutes after being launched.

### How many kilotons of TNT are in a nuclear bomb?

The bombs we dropped on Japan were the equivalent explosive power to the detonation of approximately 15 to 21 kilotons of TNT (15,000 tons). During the height of the Cold War many nuclear war heads were in the 1 -25 Megaton range (millions of tons of TNT) many many times greater explosive yields.