Note: To use scientific notation, use "e". So 5×1015 can be entered in as 5e15.
Kilotons of TNT:
Megatons of TNT:
Joules:
Calories:
Kilocalories (food):
Kilowatt hours:
BTUs:
Richter scale:
Big Macs:
The Hiroshima-equivalent calculator by Alex Wellerstein. For more information about what this is meant to be, click here.