Calculate the time required to heat a volume of water

By filling in the boxes in the water heating time calculator below and clicking the respective “Calculate!” button, you can calculate the power and/or time required to heat particular volumes of water. For the Theory & Explanation, click HERE.

[Click to jump to calculate time required]

 

Power required

 

Specific heat capacity of water kcal/kgx°C3: 1

Volume of fluid to heat in litres:

Starting temperature degrees C:

Target temperature (finishing) degrees C:

Heating time hours:

Density of water kg/dm3: 1

power required to reach target temperature in heating time allotted: kW


Time required

 

Specific heat capacity of water kcal/kgx°C3: 1

Volume of fluid to heat in litres:

Starting temperature degrees C:

Target temperature (finishing) degrees C:

Heating power kW:

Density of water kg/dm3: 1

time required to reach target temperature at given power:

 
hours


Roughly speaking, due to its density and viscosity, heavy oil will heat up in half the time of water, or if you prefer, require around half the heating power to heat up the same volume as water in the same period of time. However this will require a much lower watt density than on a water heater. For more specific information on oil, or heat up calculations for any other of a very long list of chemicals, please call Jamie on 01827 215684.

When you know how much power you require, your next decision is whether to apply direct heat via a heating element 250w – 6kW

 

 

water heating time calculator
Element bends available

 

 

 

 

 

 

perhaps a screwed immersion heater 1kW – 24kW

water heating time calculator

 

 

 

and for greater than 24kW, a flanged immersion heater

PFC Range – Carbon Flanged Immersion Heaters (1kW to 2000kW)

 

 

 

possibly even a vat heater (2-18kW) because you wish to access from the top of the tank.

vat heater available bends

We hope you found the water heating time calculator useful. Drop us a message immhtr {insert at symbol here} gmail.com if you have any comments, suggestions or improvement ideas.