|System Requirements||Requires Android 4.0.3 and up|
This is a calculator that calculates the time it takes to heat water. For volume you can use gallons(US), litre or gallons(UK). For temperature you can use Fahrenheit, Celsius or Kelvin. For energy you can use watts or BTU/hr. Keep in mind that the boiling point changes with pressure. Normal efficiency is around 20% depending on how you heat the water.