Free tools
Business calculators, free to use
Simple, instant calculators for pricing, profit, and planning — no signup. They're the same live tools students use inside the Playbook simulation.
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Profit Margin & Markup Calculator
Enter a selling price and a cost to get gross margin, markup, and profit in real time. Margin and markup are easy to confuse — this shows both from the same two numbers.
Open tool →⚖️Break-Even Calculator
Find exactly how many units you need to sell to cover your costs — and where profit begins. Enter your fixed costs, price, and per-unit variable cost.
Open tool →🧾Startup Cost Calculator
Estimate what it really costs to launch — the one-time costs to open plus the runway to keep going until revenue catches up.
Open tool →Looking for frameworks instead? Free fillable templates →