Boil Off Rate Calculator


Calculating the boil-off rate is crucial in various industries, especially in brewing, where it determines the rate at which a liquid evaporates during the boiling process. To simplify this calculation, we’ll create a handy online calculator.

How to Use

Enter the initial volume of the liquid, the time duration of boiling, and the final volume after boiling in the respective input fields. Then, click the “Calculate” button to obtain the boil-off rate.


The formula to calculate the boil-off rate is:

Example Solve

Suppose you started with an initial volume of 100 liters, boiled it for 2 hours, and ended up with 90 liters. Let’s calculate the boil-off rate:


Q: What is the significance of calculating boil-off rate?
A: Boil-off rate helps in planning and managing industrial processes, particularly in brewing, where it affects the concentration and quality of the final product.

Q: Can this calculator be used for other liquids besides water?
A: Yes, this calculator can be used for any liquid as long as the initial and final volumes are accurately measured.

Q: How can I minimize boil-off rate?
A: Factors such as lid usage, pot size, and intensity of heat can influence boil-off rate. Using a lid and controlling heat can help minimize it.


By utilizing this boil-off rate calculator, you can efficiently manage industrial processes, ensuring optimal outcomes and resource utilization.

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