Heat of Fusion Calculator
Calculate energy required to melt a substance using Q = m * Lf.
kg
J/kg
Heat Energy Required
334,000 J
Heat Energy (kJ)334.00 kJ
Heat Energy Required vs Mass
Formule
## Heat of Fusion The heat of fusion is the energy absorbed during melting at constant temperature. ### Formula **Q = m * L_f** where L_f is the specific latent heat of fusion. For water/ice, L_f = 334,000 J/kg = 334 kJ/kg.
Exemple Résolu
Melting 1 kg of ice at 0°C.
- 01Q = m * Lf
- 02Q = 1 * 334000
- 03Q = 334,000 J = 334 kJ