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Measure, understand, improve

Cost per bottle calculator

Divide consistent batch and packaging costs by actual packaged volume and package size.

BrewMyBeer editorial · Sources checked 24 September 2026 · Calculated examples, not laboratory measurements. How we create content

Interactive tool

Calculate your batch

Change the example values. Inputs stay in your browser.

Use one currency consistently.

Bottles, caps, labels and similar consumables.

Actual packaged volume after losses.

Use 1000 for a one-litre package.

Use comparable measurements

Enter values measured at the same process stage and in the units shown. A calculation is only as reliable as its measurements and assumptions.

The displayed working makes each assumption visible. Record the inputs with the batch so a later result can be checked or improved.

Treat the result as a decision aid

Use the result to plan or compare a batch, then verify the relevant measurement on your own equipment. It is not a laboratory result, safety guarantee or package specification.

Before you use the result

  • Use the units printed beside each input.
  • Keep a record of the actual measurements.
  • Check equipment limits and process safety separately.

A quick learning check

What should you save with a calculator result?

Try a craft decision game →

Sources & further reading

These references explain the methods and limitations. The worked examples and learning questions on this page are BrewMyBeer calculations, not claims of hands-on testing.