The NumberTrove library
Business
calculators.
See margin, markup, ROI, and break-even in numbers you can act on.
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Most people start with these
Profit margin calculator
Find profit and margin from revenue and cost, with an optional target-margin price scenario.
Open calculator ↗ROI calculator
Measure return on an investment in percentage and dollars.
Open calculator ↗Break-even calculator
Find the sales volume needed to cover fixed costs.
Open calculator ↗All tools
12 business calculators
Markup calculator
Calculate selling price and markup from cost and profit.
BusinessDiscount calculator
See the sale price and savings from a percentage discount.
BusinessPercentage change calculator
Find the percentage increase or decrease between two values.
BusinessCAGR calculator
Calculate compound annual growth across an investment period.
BusinessCommission calculator
Calculate commission earned from sales and a commission rate.
BusinessLoan calculator
Estimate monthly payments, total interest, and payoff timing for a fixed-rate loan.
BusinessShow 3 more business tools ↓
Mortgage calculator
Estimate principal, interest, property tax, insurance, PMI, HOA costs, an alternate payment scenario, and optional debt-to-income context.
BusinessSales tax calculator
Calculate tax, subtotal, and final total for a purchase.
BusinessCompound interest calculator
Estimate growth from an initial deposit, recurring contributions, interest rate, and time.
BusinessHow 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.
