Price Floor from Variable Costs Calculator
Price Floor from Variable Costs Calculator
| Pricing Breakdown | Amount |
|---|---|
| Variable Cost per Unit | $12.50 |
| Shipping per Unit | $2.50 |
| Fee Load (2.9% + 5.0% + 5.0%) | 12.9% |
| Overhead per Unit | $4.00 |
| Pure Variable-Cost Floor | $17.22 |
| Full-Cost Floor (incl. overhead) | $21.81 |
| Target Price (at target margin) | $26.41 |
| Profit per Unit at Target Price | $4.00 |
| Margin at Target Price | 15.1% |
Summary
What Is a Price Floor from Variable Costs Calculator?
A price floor from variable costs calculator finds the absolute lowest price a product can be sold for without losing money on each unit. Every sale carries direct costs that scale with volume — the product itself, shipping, payment processing, sales commissions, and the discounts you routinely give — and the price floor is the point where those costs exactly consume the selling price. Price below it and every order drains cash; price at it and the business breaks even on the unit, before fixed overhead is even considered. This tool computes that floor two ways: the pure variable-cost floor, which covers only the costs that change with each unit, and the full-cost floor, which also allocates a share of fixed monthly overhead like rent, equipment, and salaries. Between them lies the practical minimum a pricing team needs when setting clearance prices, negotiating with distributors, or evaluating whether a low-margin channel is worth entering at all.
How It Works
The model starts with the direct costs per unit: the variable cost of goods plus shipping. It then converts the payment processing fee, sales commission, and discount allowance into a combined fee rate — with the defaults, 2.9% plus 5% plus 5% equals 12.9% of every sale that never reaches the business. Because those fees are percentages of the selling price, the floor cannot be found by simple addition; it must be solved by dividing the cash costs by one minus the fee rate. With a $12.50 unit cost and $2.50 shipping, the pure floor is $15.00 divided by 0.871, or $17.22. The full-cost floor adds the allocated overhead, $8,000 of monthly fixed costs spread across 2,000 units being $4.00 per unit, which pushes the floor to $21.81. The target price extends the same logic by adding the desired profit per unit into the numerator, and the margin at that price shows the actual contribution margin you earn after every fee is paid. The result is a ladder from break-even to profitability that pricing decisions can be checked against.
Understanding Your Results
The pure variable-cost floor is the line you should never cross, even in a fire sale — anything below it guarantees a loss on every unit. The full-cost floor is the practical break-even for a healthy business, since selling below it means the product cannot contribute to rent, salaries, and other fixed costs. If your actual selling price sits between the two floors, you are cash-positive but margin-negative, which is only defensible as a temporary customer-acquisition play. Compare the target price against your current price: the margin at the target shows what a correct price yields, and the gap between floors and current pricing exposes how much pricing headroom you are leaving on the table. Re-run the calculation whenever the fee structure changes — a marketplace raising its take rate by a point can silently move the floor more than a supplier price increase does. Use the full-cost floor as the baseline for channel negotiations, minimum-advertised-price policies, and deciding which products deserve premium shelf placement.
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