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Wärmerechner

Wärmeenergie aus Masse, spezifischer Wärmekapazität und ΔT.

Einführung

Heat Calculator — Heat energy from mass, specific heat and ΔT. Enter Mass (kg), Specific heat (J/kg·K), Temperature change (K) to get an instant, accurate result.

Formel

Heat energy is calculated using the specific heat equation Q = m × c × ΔT, where m is mass, c is the specific heat capacity of the material, and ΔT is the change in temperature.

Schritt für Schritt

  1. Enter the Mass (kg).
  2. Enter the Specific heat (J/kg·K).
  3. Enter the Temperature change (K).
  4. Click Calculate to see your result instantly.

Praxisbeispiel

Example: With Mass (kg) = 2, Specific heat (J/kg·K) = 4186, Temperature change (K) = 10, the Heat Calculator gives Heat J: 83720.

Häufig Gestellte Fragen

What is specific heat capacity?
Specific heat capacity is the amount of heat required to raise the temperature of one kilogram of a substance by one degree Celsius (or Kelvin). Water has a high specific heat of about 4,186 J/(kg·°C).
What units does this calculator use?
Enter mass in kilograms, specific heat in J/(kg·°C), and temperature change in °C to get heat energy in joules (J).
Does this formula work for phase changes like melting or boiling?
No. Q = mcΔT only applies to temperature changes within a single phase. Heat absorbed during melting or boiling uses latent heat (Q = mL) instead, since temperature stays constant during a phase change.
What inputs does the Heat Calculator need?
You'll need to provide: Mass (kg), Specific heat (J/kg·K), Temperature change (K). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Heat Calculator?
The Heat Calculator applies the formula exactly as calculated — Heat energy is calculated using the specific heat equation Q = m × c × ΔT, where m is mass, c is the specific heat capacity of the material, and ΔT is the change in temperature. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Heat Calculator free to use?
Yes, the Heat Calculator is completely free, requires no signup, and runs instantly in your browser.

Über Wärmerechner

The Heat Calculator uses a real, verifiable formula — Heat energy is calculated using the specific heat equation Q = m × c × ΔT, where m is mass, c is the specific heat capacity of the material, and ΔT is the change in temperature. — so results are accurate every time, not an approximation.