1. What is TNT Equivalent?

TNT equivalent is a method of quantifying the energy released in explosions or other energy-releasing events. It compares the energy to that released by the detonation of trinitrotoluene (TNT).

2. How Does the Calculator Work?

The calculator uses the TNT equivalent formula:

Where:

• \( TNT \) — Mass of TNT equivalent in kilograms
• \( Energy \) — Energy in joules (J)
• \( 4,184,000 \) — Energy released by 1 kg of TNT in joules

Explanation: The equation converts any given energy value to the equivalent mass of TNT that would release the same amount of energy.

3. Importance of TNT Equivalent

Details: TNT equivalent provides a standardized way to compare and communicate the energy of explosions, asteroid impacts, nuclear events, and other large energy releases.

4. Using the Calculator

Tips: Enter energy in joules (J). The value must be positive. The result will be shown in kilograms of TNT equivalent.

5. Frequently Asked Questions (FAQ)

Q1: Why is TNT used as a standard?
A: TNT was chosen historically because it was a common, stable explosive with well-characterized energy output.

Q2: How accurate is TNT equivalent?
A: It's a rough comparison as actual explosions may have different characteristics (blast wave, thermal effects).

Q3: What's the energy of 1 ton of TNT?
A: 1 ton TNT = 4.184 × 10⁹ J (4.184 gigajoules).

Q4: What are some real-world examples?
A: The Hiroshima atomic bomb was about 15 kilotons (63 TJ), while 1 kg TNT ≈ a large grenade explosion.

Q5: Can this be used for non-explosive energy?
A: Yes, it can represent any energy release (meteor impacts, volcanic eruptions) in familiar explosive terms.