How to use these calculators
Small-business decisions often combine pricing, fixed costs, cash timing, borrowing, and demand uncertainty. Run a simple model first, then stress-test the inputs that could change the decision.
Start with the formula
Estimate the sales volume needed to cover fixed and variable costs, then stress-test the assumptions.
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Profit MarginCalculate gross profit, profit margin, and markup from revenue and cost.Net Profit MarginCalculate net profit and net margin after direct costs, operating expenses, interest, and taxes.Break-EvenCalculate how many units you need to sell to cover fixed and variable costs.Cash RunwayEstimate how many months available cash will cover a monthly net burn rate.Loan PaymentEstimate monthly payments, total payment, and total interest for a fixed-rate loan.Revenue GrowthMeasure the percentage and dollar change in revenue between two periods.CAGRCalculate compound annual growth rate over a selected number of years.ROIMeasure return on investment and net gain from an investment or campaign.