Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Profit on the drop
$2,244
Contribution per unit
$18.72
Revenue
$7,600
Net margin
29.5%
Units sold
200
Units to break even
43
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter retail price ($).
- 2Enter unit cost ($).
- 3Enter shipping cost you absorb ($).
- 4Enter payment + platform fees (%).
- 5Enter units in the drop.
- 6Enter sell-through rate (%).
- 7Enter fixed costs (design, samples, ads) ($).
- 8Read your profit on the drop on the right — it updates as you type.
- 9Hit Share to keep the scenario or send it to someone.
About this calculator
Print-on-demand keeps risk near zero but caps margin around 25–35%. Bulk flips that: better unit economics, but you eat unsold inventory, so model the sell-through.
Worked example
Using the values the calculator loads with:
Inputs
- Retail price: 38 $
- Unit cost: 14 $
- Shipping cost you absorb: 3 $
- Payment + platform fees: 6 %
- Units in the drop: 250
- Sell-through rate: 80 %
- Fixed costs (design, samples, ads): 800 $
Results
- Profit on the drop: $2,244.00
- Contribution per unit: $18.72
- Revenue: $7,600.00
- Net margin: 29.5%
- Units sold: 200
- Units to break even: 43
What each field means
Inputs
- Retail price ($)
- The retail price used in the calculation, measured in $. Starts at 38 $ so you have a working example on load.
- Unit cost ($)
- The unit cost used in the calculation, measured in $. Starts at 14 $ so you have a working example on load.
- Shipping cost you absorb ($)
- The shipping cost you absorb used in the calculation, measured in $. Starts at 3 $ so you have a working example on load.
- Payment + platform fees (%)
- The payment + platform fees used in the calculation, measured in %. Starts at 6 % so you have a working example on load. Accepted range: 0–30 %.
- Units in the drop
- The units in the drop used in the calculation. Starts at 250 so you have a working example on load.
- Sell-through rate (%)
- The sell-through rate used in the calculation, measured in %. Starts at 80 % so you have a working example on load. Accepted range: 0–100 %.
- Fixed costs (design, samples, ads) ($)
- The fixed costs (design, samples, ads) used in the calculation, measured in $. Starts at 800 $ so you have a working example on load.
Results
- Profit on the drop
- 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.
- Contribution per unit
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Revenue
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Net margin
- Returned as a percentage. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Units sold
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Units to break even
- Returned as a whole number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the creator merch profit calculator work?
Print-on-demand keeps risk near zero but caps margin around 25–35%. Bulk flips that: better unit economics, but you eat unsold inventory, so model the sell-through. The underlying maths is: Profit = (Price − unit cost − fees − shipping) × units sold − fixed costs.
What do I need to enter?
7 values: retail price, unit cost, shipping cost you absorb, payment + platform fees, units in the drop, sell-through rate, and fixed costs (design, samples, ads). Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the profit on the drop 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. Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
Who is this tool for?
It's built for anyone comparing money scenarios before committing — budgeting a payment, sanity-checking a quote, or seeing what a change in rate or term actually costs.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Merch Profit Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/merch-profit
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/merch-profit" target="_blank" rel="noopener">Merch Profit Calculator — RevenueLab</a> (2026).</p>
Source: [Merch Profit Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/merch-profit) (2026).