This calculator is designed to calculate the temperature of water resulting from mixing several flows or volumes of water, with temperatures ranging between 0°C and 150°C.

The formula for calculating the final temperature of a mixture of several flows or volumes of water with different initial temperatures is:

**t _{с} = (m_{1}*t_{1} + m_{2}*t_{2} + … + m_{n}*t_{n})/(m_{1} + m_{2} + … + m_{n})**

**m _{1}, m_{2} … m_{n}** - are the corresponding volumes or volume flow rates of the water flows, kg

**t _{1}, t_{2} … t_{n}** - are the initial temperatures of the water flows, °C

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What is cheaper to heat? gas, firewood, coal, electricity