Rex says
Everyday utility math — the kind you'd otherwise pull up four browser tabs for. I keep it to one clean answer.
Try a scenario
Click to load — tweak from there.Inputs
Result
Cost per pint
$1.75
Batch cost
$63.00
Pints yielded
36
Savings vs taproom
$225.00
Psst — share this and help Rex grow
One click, a permanent link with your numbers baked in.
How to use this
- 1Enter batch size (gal).
- 2Enter grain / extract cost ($).
- 3Enter hops cost ($).
- 4Enter yeast cost ($).
- 5Enter propane, caps, sanitizer ($).
- 6Enter trub & packaging loss (%).
- 7Enter taproom pint price ($).
- 8Read your cost per pint on the right — it updates as you type.
- 9Hit Share to keep the scenario or send it to someone.
About this calculator
Grain, hops, yeast, propane, and bottle costs across the finished volume — usually far cheaper than the taproom.
Worked example
Using the values the calculator loads with:
Inputs
- Batch size: 5 gal
- Grain / extract cost: 32 $
- Hops cost: 14 $
- Yeast cost: 8 $
- Propane, caps, sanitizer: 9 $
- Trub & packaging loss: 10 %
- Taproom pint price: 8 $
Results
- Cost per pint: $1.75
- Batch cost: $63.00
- Pints yielded: 36
- Savings vs taproom: $225.00
What each field means
Inputs
- Batch size (gal)
- The batch size used in the calculation, measured in gal. Starts at 5 gal so you have a working example on load.
- Grain / extract cost ($)
- The grain / extract cost used in the calculation, measured in $. Starts at 32 $ so you have a working example on load.
- Hops cost ($)
- The hops cost used in the calculation, measured in $. Starts at 14 $ so you have a working example on load.
- Yeast cost ($)
- The yeast cost used in the calculation, measured in $. Starts at 8 $ so you have a working example on load.
- Propane, caps, sanitizer ($)
- The propane, caps, sanitizer used in the calculation, measured in $. Starts at 9 $ so you have a working example on load.
- Trub & packaging loss (%)
- The trub & packaging loss used in the calculation, measured in %. Starts at 10 % so you have a working example on load. Accepted range: 0–40 %.
- Taproom pint price ($)
- The taproom pint price used in the calculation, measured in $. Starts at 8 $ so you have a working example on load.
Results
- Cost per pint
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Batch cost
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Pints yielded
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Savings vs taproom
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the homebrew batch cost calculator work?
Grain, hops, yeast, propane, and bottle costs across the finished volume — usually far cheaper than the taproom.
What do I need to enter?
7 values: batch size, grain / extract cost, hops cost, yeast cost, propane, caps, sanitizer, trub & packaging loss, and taproom pint price. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the cost per pint result mean?
It is returned as a money amount in US dollars and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Estimates assume standard, average conditions — local rules, pricing, and materials vary.
Who is this tool for?
It's built for anyone doing everyday planning maths — a quick estimate that would otherwise need four browser tabs and a calculator app.
Accuracy and limitations
- Estimates assume standard, average conditions — local rules, pricing, and materials vary.
- Results are rounded for readability; add a buffer before ordering, booking, or committing.
- Double-check anything with a real cost attached against a local quote.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Homebrew Batch Cost Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/homebrew-batch-cost
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/homebrew-batch-cost" target="_blank" rel="noopener">Homebrew Batch Cost Calculator — RevenueLab</a> (2026).</p>
Source: [Homebrew Batch Cost Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/homebrew-batch-cost) (2026).