Specific Heat Calculator
Energy to heat a mass by a temperature.
Enter your values
Enter the mass in kg.
Choose one of: Water, Aluminium, Copper, Iron, Air.
Enter the temperature change in °C.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Energy required
- 627.9 kJ
- In kilowatt hours
- 0.1744
- In calories
- 150,072
- Time at 2 kW
- 5.2 min
Quick answer
Heat energy equals mass times specific heat capacity times temperature change.
Q = m × c × ΔT
At a glance
| What it does | Energy to heat a mass by a temperature. |
|---|---|
| Category | Science |
| Inputs needed | Mass, Substance, Temperature change |
| Main output | Energy required |
| Formula | Q = m × c × ΔT |
| Cost | Free — no sign-up, no download |
How to use the Specific Heat Calculator
- 1Enter the mass being heated.
- 2Pick the substance.
- 3Enter the temperature change required.
Inputs explained
- Mass(kg)
- Enter the mass in kg.
- Substance
- Choose one of: Water, Aluminium, Copper, Iron, Air.
- Temperature change(°C)
- Enter the temperature change in °C.
Worked example
Using the values the calculator loads with:
Inputs
- Mass2.5 kg
- SubstanceWater
- Temperature change60 °C
Results
- Energy required627.9 kJ
- In kilowatt hours0.1744
- In calories150,072
- Time at 2 kW5.2 min
Frequently asked questions
Why does water need so much energy?
Water has an unusually high specific heat capacity.
Does phase change count?
No — melting or boiling needs latent heat on top of this.
What do I need to enter into the Specific Heat Calculator?
Just 3 values: mass, substance, temperature change. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Specific Heat Calculator work out the answer?
Heat energy equals mass times specific heat capacity times temperature change. It applies the formula Q = m × c × ΔT and shows the working so you can check each step by hand.
Is the Specific Heat Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.