Business calculators
Pricing, margins, and goals for people who sell things — the arithmetic that decides whether a sale was actually worth it.
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- Average order valueRevenue and orders in, AOV out — plus items per order and how many orders a revenue target needs.
- Break-even price calculatorEnter your item cost and your platform's fee percentage. Get the minimum listing price that does not lose money, and the price that hits your target profit.
- CPA calculatorWhat each customer costs in ad spend, and the highest CPA your margin can actually support.
- CPM calculatorSpend and impressions in, CPM out, plus how many impressions a given budget buys at that rate.
- CTR calculatorClicks and impressions in, CTR out, with a read on whether that rate is healthy for the format.
- Consignment split calculatorEnter the sale price and the store's percentage. See your share, the store's cut, and your actual profit if you add what the item cost you.
- Conversion rate calculatorWork out your conversion rate, how many visitors a sales target needs, and what each visitor is worth.
- Handmade pricing calculatorPrice handmade work properly: materials plus real labor plus overhead plus platform fees. See the minimum you should charge and what you actually take home.
- Markup calculatorEnter your cost and a markup percentage to get the selling price, profit, and the margin that markup actually produces.
- Offer floor calculatorSomeone sent a lowball. Enter your cost, the platform, and the profit you want — get the exact lowest offer you can accept and still make money.
- Profit margin calculatorEnter what an item cost you and what it sold for. Get profit, margin, and markup — and see why margin and markup are not the same number.
- ROAS calculatorRevenue divided by ad spend, plus the break-even ROAS your margin demands — the number that decides if a good-looking campaign is actually profitable.
- Reseller ROI calculatorEnter what you paid and what you netted after fees. Get ROI, and if you add how long you held the item, an annualized rate that makes flips comparable.
- Reverse fee calculatorYou want a specific amount to land in your account. Enter it plus the fee percentage, and get the price to charge so fees don't eat your target.
- Sales goal calculatorEnter a monthly profit goal, your average sale price, and your typical margin. Get the number of sales that goal actually requires, per month and per week.
- Sell-through rate calculatorListed versus sold, as a percentage. The single most honest number about whether your sourcing matches what buyers actually want.