Business Percentage Calculators

Created by Scott Doucet

Quickly explore margins, markups, discounts, and break-even points with a set of simple, business-focused calculators.

Profit Margin Calculator

Enter your total revenue and cost of goods sold (COGS) to see your profit, profit margin, and COGS as a percentage of revenue.

$
$

Markup Percentage Calculator

Compare your cost to your selling price and see both the markup percentage and the resulting gross margin.

$
$

Discount & Sale Price Calculator

Enter an original price and a discount percentage to see the sale price, savings in dollars, and savings percentage.

$
%

Break-Even Point (Units)

Estimate how many units you need to sell to break even based on fixed costs, price per unit, and variable cost per unit.

$
$
$

Contribution Margin Calculator

See how much of each dollar of sales contributes to covering fixed costs and profit.

$
$

Business Acquisition Calculators

Model returns, debt coverage, and risk buffers when evaluating a small business acquisition.

Business Acquisition ROI (Unleveraged)

Enter the purchase price of the business and expected annual net cash flow (after expenses, before financing) to see your simple return on investment and an estimated payback period.

$
$

Leveraged Acquisition Cash-on-Cash Return

Model a deal using a down payment and financing. This calculator estimates annual debt service and shows your cash-on-cash return based on cash invested.

$
$
$
%

Debt Service Coverage Ratio (DSCR)

See how comfortably the business covers its annual debt payments. Lenders often look for a DSCR of 1.20–1.25 or higher.

$
$

Max Loan Supported by Cash Flow

Based on a target DSCR, interest rate, and term, estimate the maximum loan amount the business can reasonably support.

$
%

Max Purchase Price for Target ROI

Work backwards from your target unleveraged ROI and expected annual cash flow to estimate the maximum price you should pay.

$
%

5-Year Equity Multiple & Return

Estimate your 5-year equity multiple and approximate annualized return, including ongoing cash flow and a future sale of the business.

$
$
$
$

Working Capital & Runway Buffer

Estimate how much working capital you need to cover fixed expenses for a given number of months, and how much runway your current cash actually provides.

$
$

These calculators are for quick business estimates and planning. Actual financial decisions should be based on full financial statements and advice from qualified professionals.