Free Bill of Materials calculator

Free Bill of Materials template and calculator, built for handmade sellers.

Fill in your materials, see a worked example of how costs roll up, and export it: the structured record spreadsheets never quite give you.

  • Line-item material costing
  • Packaging and labour included
  • Export your finished BOM as a CSV
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Free forever. No account needed. No credit card.
Materials
Materials
+
Labour
Labour
=
True cost
True cost
Example Bill of Materials
Materials (incl. packaging)
$1.65
Labour
$0.95
True cost/unit
$2.60
Where the cost comes from
Materials60%
Labour35%
Other5%

Most handmade sellers know roughly what a product costs — but roughly is the problem. A bill of materials template fixes that: one line per material, the quantity that goes into a batch, and what that quantity costs, split down to a true cost per unit. The bill of materials example pre-loaded in the calculator shows exactly how it works before you enter a single number of your own. It is the same document a manufacturer would use to plan a production run, just sized for a maker instead of a factory. Once it exists, a supplier price increase, a packaging swap, or a recipe change stops being a guess about margin and becomes a number you can see immediately. Try the free calculator to build one. No account or sign-up needed.

Built for makers who want to know their real cost.

Not a guess. Not a rough spreadsheet formula. The actual structured record.

Line-item material costing

Add every material with the quantity used for your whole batch and its cost per unit of measure. It splits down to a true cost per unit automatically, no more mixing up the price of a whole bag with the price of what one product actually uses.
The most common costing mistake: using the packet price instead of the per-unit price.

Packaging and labour included

Raw materials are rarely the whole story. Add packaging as its own line in the materials list, then add your batch time and hourly rate, so the total reflects what the product actually costs you to make and ship.
A true BOM includes everything that touches the product, not just the ingredients.

Export & keep it

Download your finished Bill of Materials as a CSV file, ready to drop into a spreadsheet, share with a bookkeeper, or use as a reorder reference.
A BOM is only useful if it outlives the browser tab it was built in.

Three steps to your real cost per unit.

Simple enough to run before your next batch.

1

List every material

Add one line per material with the quantity used for your whole batch and the cost per unit of measure.
2

Add packaging and labour

Add packaging as its own line in the materials list, then enter your batch time and hourly rate for labour, to get the full picture, not just raw ingredients.
3

Export your BOM

See your true cost per unit broken down by category, and export the finished Bill of Materials as a CSV file.
Try it now →
Why trust this calculator

This calculator was built by Batchforja, a software company that makes inventory and production management tools specifically for small-batch makers. Most bom manufacturing tools and bom management software are built for factories assembling from purchased parts, not makers turning raw materials into finished goods by hand. A Bill of Materials is a core part of the full platform: Batchforja tracks material inventory live and deducts stock automatically from a product's BOM every time you log a production run, so the record never goes stale. This free tool gives you a one-time version of that same structured costing, no account required.

Free download

Get the Excel template

The same BOM structure as the calculator, as an Excel file with formulas built in. Fill in your materials, set your batch size, and duplicate the sheet for each product.

Bill of Materials questions, answered

Common questions from handmade sellers building their first BOM.

What is a Bill of Materials (BOM)?+
A Bill of Materials is a structured list of every material, component, and quantity that goes into making one unit of a product, along with what each item costs. For a handmade seller, it is the difference between guessing your cost and knowing it exactly.
Is the Bill of Materials calculator free?+
Yes, completely free. No account, no credit card, and no time limit. You can export your finished BOM as a CSV file at any time.
Is this the same as bill of materials software?+
It's a free, one-time version of what full bill of materials software does. Dedicated BOM software, including Batchforja, tracks this automatically over time, deducts material stock as you produce, and keeps every product's BOM current as prices change. This calculator gives you a single snapshot, which is often enough to get started.
How is a BOM different from a pricing calculator?+
A pricing calculator answers "what should I charge." A Bill of Materials answers "what exactly goes into this product and what does each part cost": the structured record you actually need for accurate costing, reordering, and scaling production.
Do I need BOM software if I only make a few products?+
A single spreadsheet row can work at very small scale, but most makers find the real value once they have more than a handful of products or start seeing material prices drift. A proper BOM makes it obvious exactly which product a price increase affects.
What should I include in a Bill of Materials?+
Every raw material or component used to make one unit, the quantity of each, and the cost per unit of measure for each. Most makers also add packaging as a material line and factor in labour so the BOM reflects the full true cost, not just raw ingredients.
How do I handle a product made of sub-components?+
Build a separate BOM for each sub-component first (for example, a scent blend used across several candles), then use that sub-component's rolled-up cost as a single line item in the parent product's BOM. Batchforja automates this multi-level rollup; this free calculator handles one level at a time.
Is this a bill of materials template I can reuse?+
Yes. Export your finished BOM as a CSV and it becomes a reusable bill of materials template: open it in any spreadsheet, duplicate the sheet for a new product, and update the numbers. The calculator also pre-loads a bill of materials example so you can see the format before entering your own data.
Can I export the Bill of Materials I build here?+
Yes. Once you have entered your materials, click "Export as CSV" to download a spreadsheet-ready file with every line item and the total cost breakdown.
What is the difference between this free tool and Batchforja?+
This free calculator gives you a one-time BOM and cost rollup. Batchforja is the full platform: it tracks material inventory live, deducts stock automatically when you log a production run, and keeps every product's BOM and true cost up to date as ingredient prices change.

Ready to build your Bill of Materials?

It's free, takes 5 minutes, and no account is needed.

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Keep every BOM up to date
automatically with Batchforja

Material prices change. Batchforja recalculates every product's true cost the moment they do. No spreadsheet required.

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