Convert 1 British Thermal Unit (Iso) to Ton Of Tnt
0.00000025216539196941044 t
1 BTU (ISO) (British thermal unit (ISO)) is equal to 0.00000025216539196941044 t (ton of TNT). To convert from British thermal unit (ISO) to ton of TNT, multiply by 0.00000025216539196941044 or divide by 3,965,651.2425833107.