The NumberTrove library

Business
calculators.

See margin, markup, ROI, and break-even in numbers you can act on.

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All tools

12 business calculators

Free · no account · formula shown
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How to choose the right business calculator

Business numbers are easier to act on when revenue, cost, price, return, and time are kept separate. These calculators cover profit margin, markup, break-even sales, ROI, discounts, commissions, CAGR, and loan payments. Use them for pricing a product, checking whether a promotion is profitable, estimating the sales needed to cover fixed costs, comparing an investment, or understanding the cost of borrowing.

Choose margin when you want profit as a share of selling price, and markup when you are adding a percentage to cost. Break-even is the better tool when fixed costs and contribution per sale drive the decision. ROI compares gain with investment, while CAGR adds a time-based annual growth view. Discount and commission tools handle transaction-level pricing. Keep definitions consistent and add taxes, fees, inventory timing, financing terms, and cash-flow constraints before making a final business decision. If you are pricing a product, test several price points so the result shows how volume, margin, and break-even interact.

Use consistent definitions for revenue, cost, profit, and cash flow. Actual decisions may also need taxes, fees, financing terms, inventory timing, and other business-specific inputs.

Every tool is free, browser-based, and shows its formula, assumptions, and related calculators. Start with the closest match, then adjust the inputs to fit your situation.