Question 1

What is a ton of TNT equivalent?

Accepted Answer

Energy released by 1 ton of TNT = 4.184 GJ = 1 billion calories. Nuclear yields measured in kilotons/megatons.

Question 2

How much energy is a kiloton?

Accepted Answer

1 kt = 4.184 × 10¹² J. Hiroshima bomb was ~15 kt. Modern weapons range from 0.1 kt to megatons.

Question 3

What's the difference between energy and power?

Accepted Answer

Energy (joules, kWh) is total work done. Power (watts) is energy per unit time. A 100W bulb for 10 hours = 1 kWh of energy.

Question 4

Why are there so many energy units?

Accepted Answer

Different fields developed their own: BTU for heating, calories for nutrition, joules for physics, kWh for electricity billing.

Tons tnt to Joules Energy Converter - Free Online Tool

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