Business & Startup Calculators
General business operations, financial ratios, cash flow, and the KPIs every operator runs.
19 free calculators in this category
Accounts Payable Turnover Calculator
Calculate accounts payable turnover and days payable outstanding from supplier purchases and average AP. Free educational tool.
Accounts Receivable Turnover Calculator
Calculate accounts receivable turnover and days sales outstanding from credit sales and average AR — how fast your invoices actually convert.
Adjusted EBITDA Calculator
Calculate adjusted EBITDA with add-backs for owner compensation, one-off costs, and non-recurring items — the version a buyer or lender will actually use.
Airbnb Host Profit Calculator
Calculate Airbnb host profit by entering your nightly rate, occupancy, fees, cleaning costs, mortgage, and expenses to see monthly and annual net profit.
Asset Turnover Calculator
Calculate asset turnover ratio from revenue and total assets — a measure of how efficiently a business generates sales from its asset base.
Break-Even Calculator
Calculate break-even point. Enter fixed costs, selling price, and variable cost to see units needed to cover costs. Free and educational.
Business Emergency Fund Calculator
Calculate your business emergency fund target and months to reach it based on operating expenses, coverage months, and monthly contributions.
Capital Expenditure Calculator
Calculate capital expenditure from PP&E change and depreciation, plus capex intensity as a percentage of revenue for sector comparison.
Debt to Net Worth Ratio Calculator
Calculate debt-to-net-worth ratio as a measure of financial resilience — total debt relative to your net worth (equity position).
Delivery Driver Profit Calculator
Calculate delivery driver net profit after fuel, vehicle wear, and other expenses — the gig-economy take-home behind a quoted gross.
Employee Cost Calculator
Calculate total cost of an employee including benefits, workspace, equipment, and training — the real number behind the base salary line item.
Financial Leverage Calculator
Calculate financial leverage (the equity multiplier) from total assets and total equity — the bigger picture behind a debt-to-equity ratio.
Gig Economy Net Income Calculator
Calculate gig worker net take-home after platform fees, expenses, and self-employment tax — the real number behind a quoted gross.
Gross Profit Margin Calculator
Calculate gross profit margin percentage from revenue and cost of goods sold — the headline ratio behind whether a business has pricing power.
Letter of Credit Cost Calculator
Calculate letter of credit cost from LC amount, fee percentage, term, and discrepancy fees. Enter lc fee quarterly basis to see lc cost from amount and fee %.
Net Profit Margin Calculator
Calculate net profit margin from revenue and total expenses. See the bottom-line percentage left as profit after every cost is paid.
Revenue Run Rate Calculator
Calculate revenue run rate by annualising recent-period revenue into annual, quarterly, and monthly projections — useful for forecasting from short data.
Financial Stress Test Calculator
Calculate business profit and cash survival under stressed revenue scenarios — what a 20-40 percent drop does to your runway and bottom line.
Supply & Demand Equilibrium Calculator
Calculate the supply-and-demand equilibrium price and quantity from linear demand and supply functions — where the two lines actually cross.
About Business & Startup Calculators
Calculators for the operating-finance backbone: profit margin, EBITDA, free cash flow, working capital, accounts payable / receivable, cash conversion cycle, debt and interest-coverage ratios, current and quick ratios, return on assets / equity / invested capital, WACC, DuPont analysis, DSCR, break-even, gross profit, operating leverage, capital expenditure, contribution margin. Specialist verticals (SaaS metrics, e-commerce, marketing, creator economy, startup equity, cloud spend, hospitality, B2B insurance) live in their own dedicated categories.