Water Heating Calculator

Calculate the energy and time required to heat water.

Parameters

Volume

Unit

Start Temp (°C)

Target Temp (°C)

Heater Power (W)

Efficiency (%)

Heating Requirements

Enter volume and temperatures

About this calculator

Quick Reference

c (Water)4.186 kJ/kg·°C

1 kWh3.6 MJ

Overview

Determine the energy needed to raise the temperature of a specific volume of water, and how long it will take based on heater power.

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Pro Tips

Fun Facts

Formula: E = m · c · ΔT