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What should I charge?

Enter your numbers below. Get the answer first, then Koala's next move.

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Numbers to enter
Price = (unit cost + fixed per-sale fees) ÷ (1 − target margin rate − percentage fee rate). No arbitrary denominator floor is applied.

Your target as a percentage of selling price after the costs and fees entered.

Only used to scale the per-sale target margin dollars into a monthly amount.

Koala's Calculated Result
The exact selling price implied by the entered cost, fee shape and chosen margin.

Enter the numbers you know

The detailed explanation will appear here once the calculator has a result.

Add a positive unit cost, then enter any fees and your chosen margin.

Koala's Professional Opinion

Give Koala your numbers first

The decision and next steps will appear here.

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Definition and method

What this calculator answers

Enter your cost, fees and the margin you want to keep. Koala works backwards to the selling price needed to get there.

Price from cost + margin + fees

Target price = (cost + fixed fees) ÷ (1 − target margin % − variable fee %). One cent above it and the per-sale margin lands at the targeted %; one cent below and it slips under.

Worked example: your figures

The interactive result above is the worked example. Change any input and the same deterministic engine recomputes the answer; this page does not insert a generic example business or silently treat example values as a benchmark.

  • No market benchmark or outcome is silently inserted by this page.

What should I check next?

Frequently asked questions

What is a target selling price?

It is the sale price that lands at exactly your target profit margin after cost, payment fees and marketplace fees. Below this number, every sale slips below the margin you wanted; above it, every sale clears more cents than the target.

Target Selling Price

Why does the answer change when I add fees?

Both the variable % (Stripe / PayPal / Etsy / eBay) and per-order fixed fees (e.g. $0.30 / order) erode the residual that survives the target margin. The higher the fee shape, the higher the price needed to keep the same margin.

Target Selling Price

Should I bake in the marketplace commission?

Yes — for marketplace sales the commission should be added exactly as you would for a payment-processor fee. The price that hits your target margin on Etsy is meaningfully higher than the price that hits it on your own store.

Target Selling Price

How often should I re-run this?

Re-run when a material input changes, such as unit cost, fee structure or target margin. A fixed quarterly or monthly cadence is not required; the appropriate refresh rate depends on how quickly those inputs move.

Target Selling Price

Educational use, not financial advice. Numbers are estimates for planning; consult a qualified professional before acting on them.