๐ฌ Science
Heat Transfer Calculator
The heat needed to change a temperature is mass times specific heat capacity times the temperature change. Water's very high specific heat is why it takes so much longer to heat a pot of water than the metal pot itself.
How it works
Mass
Specific heat capacity
Initial temperature
Final temperature
Time allowed
Heating efficiency
Temperature change
Energy required
Energy required
Energy required
Power needed
Power drawn at this efficiency
Heat flow
Frequently asked questions
How do I use the Heat Transfer Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.