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Business Calculators — Finance

20 free business calculators in finance & investing. Each tool shows step-by-step formulas, worked examples, and detailed explanations to help you get accurate results instantly.

All Business Calculators

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Break Even Point Calculator

Calculate break-even units, break-even revenue, contribution margin, and margin of safety for a product or business model.

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Burn Rate Calculator

Calculate startup burn rate and runway from monthly expenses and remaining cash.

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Cash Flow Calculator

Calculate cash flow with inputs, formulas, and instant results.

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Customer Lifetime Value Calculator

Calculate customer lifetime value with inputs, formulas, and instant results.

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Freelance Business Expense Calculator

Calculate total deductible business expenses for freelancers across all Schedule C categories.

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Invoice Calculator

Create and calculate invoice totals with line items, tax, discounts, and shipping.

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Margin Vs Markup Calculator

Convert between profit margin percentage and markup percentage with comparison.

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Markup Calculator

Calculate markup, gross margin, profit, and selling price from your product cost and target pricing.

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NPV Calculator

Calculate Net Present Value for a single series of cash flows. Enter a discount rate and periodic cash flows to evaluate investment profitability.

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Operating Margin Calculator

Calculate operating margin percentage from revenue and operating expenses.

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Project IRR Calculator — Capital Budgeting

Evaluate a capital project by computing IRR, NPV, payback period, and profitability index from projected cash flows.

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Project NPV Comparison Calculator

Compare multiple capital projects side by side using NPV, IRR, payback period, and profitability index to choose the best investment.

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Property Depreciation MACRS Calculator

Calculate property depreciation macrscalculator with inputs, formulas, and instant results.

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Replacement Cost Calculator

Calculate replacement cost with inputs, formulas, and instant results.

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Restaurant Break Even Calculator

Calculate restaurant break-even point from fixed costs, average check, and food/labor costs.

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Revenue Per Employee Calculator

Calculate revenue per employee with inputs, formulas, and instant results.

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ROA Calculator

Calculate Return on Assets (ROA) to measure how efficiently a company uses its assets to generate profit. Free instant results.

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Startup Cost Calculator

Calculate startup cost with inputs, formulas, and instant results.

Startup Valuation Calculator

Calculate startup valuation with inputs, formulas, and instant results.

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Unit Economics Calculator

Calculate CAC, LTV, LTV:CAC ratio, and payback period for SaaS and subscription businesses.

About Business Calculators

Our business calculators in finance & investing are designed for students, professionals, and anyone who needs quick, accurate results. Every calculator includes the underlying formula, step-by-step solutions, and real-world worked examples so you can understand the math behind the answer.

Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common business scenarios. All results are computed in your browser — no data is sent to any server.

What You Can Calculate

This section includes 20 tools: Break Even Point Calculator, Burn Rate Calculator, Cash Flow Calculator, Customer Lifetime Value Calculator, Freelance Business Expense Calculator, Invoice Calculator, Margin Vs Markup Calculator, Markup Calculator, and 12 more. Each calculator is free to use with no signup required.