Tons of TNT to Grams of TNT
tTNT
gTNT
Conversion History
| Conversion | Reuse | Delete |
|---|---|---|
1 tTNT (Tons of TNT) → 1000000 gTNT (Grams of TNT) Just now |
Quick Reference Table (Tons of TNT to Grams of TNT)
| Tons of TNT (tTNT) | Grams of TNT (gTNT) |
|---|---|
| 0.001 | 1,000 |
| 0.01 | 10,000 |
| 1 | 1,000,000 |
| 11 | 11,000,000 |
| 100 | 100,000,000 |
| 1,000 | 1,000,000,000 |
| 15,000 | 15,000,000,000 |
About Tons of TNT (tTNT)
A ton of TNT equals 4,184,000,000 joules (4.184 GJ) and is the standard unit for large conventional bombs, non-nuclear explosives, and the lower end of nuclear weapon yields. The Massive Ordnance Air Blast (MOAB), the largest non-nuclear bomb in the US arsenal, has a yield of about 11 tons of TNT. The Hiroshima atomic bomb released the equivalent of approximately 15,000 tons (15 kilotons) of TNT.
The largest conventional bomb (MOAB) yields about 11 tons of TNT. A V2 rocket warhead carried about 1 ton of TNT.
About Grams of TNT (gTNT)
The gram of TNT (gTNT) is a unit of explosive energy equal to exactly 4,184 joules — the energy released by detonating one gram of trinitrotoluene. By convention, this is a defined unit; real TNT yields vary by about ±2% depending on formulation. It is used to characterize small explosive charges, improvised explosive devices, and the energy of chemical reactions involving explosives. One gram of TNT releases roughly the same energy as one dietary kilocalorie (thermochemical).
A standard firecracker releases energy equivalent to about 0.5–1 g of TNT. A hand grenade contains the explosive equivalent of roughly 60–90 g of TNT.
Tons of TNT – Frequently Asked Questions
How powerful is one ton of TNT in real terms?
One ton of TNT releases 4.184 GJ — roughly the energy of 120 liters of petrol or the electricity an average US home uses in 1.2 days. In blast terms, one ton of TNT in open air produces lethal overpressure within about 15–20 meters and can shatter windows at 100+ meters. The MOAB bomb (11 tons TNT) flattened structures across a 150-meter radius.
What is the difference between a ton of TNT, a kiloton, and a megaton?
They differ by factors of 1,000: 1 kiloton = 1,000 tons, 1 megaton = 1,000,000 tons. Conventional bombs are rated in tons (the MOAB is 11 tons). Tactical nuclear weapons are rated in kilotons (Hiroshima was ~15 kt). Strategic thermonuclear warheads are rated in megatons (modern US warheads are 0.3–0.475 Mt). The scale spans nine orders of magnitude.
How many tons of TNT was the Beirut port explosion in 2020?
The 2020 Beirut explosion was caused by 2,750 tonnes of ammonium nitrate and was estimated at roughly 500–1,100 tons of TNT equivalent. For comparison, the Oklahoma City bombing (1995) was about 2 tons TNT equivalent, and the Halifax explosion (1917) was roughly 2,900 tons. Beirut ranked among the largest non-nuclear explosions in history.
How is tons of TNT used for meteor and asteroid impact energy?
Small meteor airbursts are rated in tons or kilotons of TNT. The 2013 Chelyabinsk meteor released about 440,000 tons (440 kt) — roughly 30 times the Hiroshima bomb. The Tunguska event (1908) is estimated at 3–15 megatons. The Chicxulub asteroid that ended the dinosaurs released roughly 100 trillion tons (100 million megatons) of TNT equivalent energy.
What is the largest conventional (non-nuclear) explosion in tons of TNT?
The largest planned non-nuclear explosion was the British demolition of Heligoland fortifications in 1947, using 6,700 tons of TNT equivalent. The largest accidental explosion was the Halifax harbour disaster (1917) at roughly 2,900 tons. The largest conventional bomb, the US GBU-43/B MOAB, yields about 11 tons — tiny compared to accidental industrial blasts.
Grams of TNT – Frequently Asked Questions
How much energy does one gram of TNT actually release?
By convention, exactly 4,184 joules — the same as one thermochemical kilocalorie. Real TNT detonation yields vary by about ±2% depending on purity and confinement, but the defined value provides a fixed reference point. This makes the gram of TNT a convenient bridge between chemistry (calories) and explosive engineering.
Why is TNT used as the standard reference for explosive energy?
TNT (trinitrotoluene) became the reference explosive because it is chemically stable, safe to handle, and was massively produced during both World Wars. Its consistent detonation properties made it a natural benchmark. Other explosives are rated by their "TNT equivalent" — for example, C-4 is about 1.34× TNT and ANFO is about 0.74× TNT.
How many grams of TNT equivalent does a firecracker contain?
A standard US consumer firecracker contains about 0.5–1 gram of TNT equivalent in flash powder. An M-80 (now illegal for consumer sale) contained roughly 3 g of TNT equivalent. Cherry bombs were about 1.5 g. Commercially sold fireworks are regulated by the CPSC to contain no more than 50 mg of flash powder per report charge.
What is the TNT equivalent of a hand grenade?
A US M67 fragmentation grenade contains about 180 g of Composition B explosive, which has a TNT equivalence of about 1.33×, giving roughly 240 grams of TNT equivalent. The lethal radius is about 5 meters, with a casualty-producing radius of 15 meters. The fragmentation — not the blast energy alone — is the primary wounding mechanism.
How does the gram of TNT relate to the calorie?
One gram of TNT releases exactly 1 thermochemical kilocalorie (1 kcal = 4,184 J) by definition. This means a dietary Calorie (nutritional kcal) contains the same energy as detonating one gram of TNT. A 2,000-Calorie daily diet is energetically equivalent to 2 kg of TNT — though your body releases that energy over 24 hours, not in microseconds.