Most store owners pick a price by copying a competitor or doubling their cost — then wonder why the bank balance doesn't grow. A proper pricing calculator works backward from the margin you want. Here's the free tool, the formula, and how to use it.
Enter your price and costs to see net profit and margin after every Shopify cost. Then flip it: tell the spreadsheet your target margin and it returns the exact price to charge.
Open the Free Calculator Pricing Spreadsheet — $9Keystone pricing (2× cost) was built for brick-and-mortar retail with no card fees and no ad budget. On Shopify you also pay processing, your plan, apps, and — the big one — the cost to acquire each customer. A product that costs $10 and sells for $20 looks like 50% margin, but after $1.50 processing, $0.50 plan/apps, $4 shipping, and $5 ad spend, you're left with −$1.00. Keystone can lose money.
To hit a target margin, you can't just add a markup — the percentage fees scale with price, making it circular. The closed-form solution:
Price + Shipping = (Fixed costs + Your costs) ÷ (1 − fee% − target margin)
Where fee% = processing % + any third-party transaction %, and fixed costs = $0.30 processing + your plan/apps per order. Solve for price, subtract the shipping you charge, and you have the exact list price. The spreadsheet does this in one cell so you never touch the algebra.
You want a 35% net margin. Your all-in costs (product + shipping you pay + ads) are $24, you charge $5 shipping, you're on Basic with Shopify Payments (2.9% processing), and your plan/apps come to $0.50 per order.
Charge $34.94 (round to $34.99) and you hit your 35% target after every cost. Guess at $29.99 and you're well under it.
The $9 Shopify Profit & Pricing Spreadsheet includes the target-price finder, a break-even tab, and a bulk 10-product view. The $14 bundle adds discount-impact and free-shipping-threshold math.
Get the Spreadsheet — $9 Calculator + Pricing Worksheet — $14Yes — the free tool on this site shows net profit and margin after processing, plan, apps and ads. The $9 spreadsheet adds a target-price finder that returns the exact price to charge for any margin.
Work backward from a target net margin, not forward from cost. Account for processing, your plan, apps, shipping and ad spend, then set the price that leaves your desired margin. Validate it against competitors.
For physical products with ad spend, 2.5–3× cost is a safer floor than keystone (2×). Digital products can carry far higher markups. The right number is whatever leaves your target net margin after all costs.
A 20% off code can erase most of your margin and require selling far more units just to break even. The $14 bundle's discount-impact tab shows exactly how many extra units a promo needs to pay for itself.