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Discover free calculators for business pricing, profit margins, online selling, investing and statistics. Search the full directory or choose a topic to find the right tool.

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Specialist calculators

Profit & Pricing

Find the right price and protect your margins.

Profit Margin CalculatorCompare gross, operating and net marginsOpen calculator Gross Margin CalculatorSee gross profit and the share of sales retainedOpen calculator Contribution Margin CalculatorPer-unit contribution, ratio and break-even unitsOpen calculator Reverse Margin CalculatorFind a selling price for a target gross marginOpen calculator Product Pricing CalculatorPlan selling prices from costs and targetsOpen calculator Wholesale Discount Margin CalculatorSee how volume discounts affect profitOpen calculator Bar Profit Margin CalculatorEstimate beverage cost and selling marginsOpen calculator HVAC Job Profit Margin CalculatorEstimate job revenue, costs and profitOpen calculator Consignment Store Profit CalculatorAnalyze profits after consignment splitsOpen calculator

E-commerce & Marketplaces

Check marketplace selling costs, shipping and advertising.

Amazon FBA Profit CalculatorEstimate earnings after included FBA expensesOpen calculator Etsy Profit CalculatorEstimate Etsy shop profit and feesOpen calculator eBay Profit CalculatorCalculate proceeds after specified selling costsOpen calculator Break-Even ROAS CalculatorEstimate the advertising return needed to break evenOpen calculator Product Bundle Profit CalculatorFind profit when products sell as a bundleOpen calculator Etsy Shipping Profit CalculatorAccount for shipping costs in Etsy salesOpen calculator eBay Promoted Listings CalculatorCompare promoted-listing advertising costsOpen calculator

Investing & Trading

Explore margin requirements, loan costs and valuation buffers.

Margin Loan CalculatorEstimate borrowing interest and margin call scenariosOpen calculator Forex Margin CalculatorEstimate required margin and leverage exposureOpen calculator Margin of Safety CalculatorCompare market price to estimated intrinsic valueOpen calculator

Statistics & Economics

Measure uncertainty, costs, revenue and economic relationships.

Margin of Error CalculatorCalculate survey confidence and sampling uncertaintyOpen calculator Marginal Cost CalculatorFind the cost of producing one more unitOpen calculator Marginal Revenue CalculatorCalculate additional revenue per unitOpen calculator Marginal Propensity CalculatorEstimate MPC, MPS and multiplier relationshipsOpen calculator

Not sure which calculator to use?

Start with gross margin when you know selling price and product cost. Choose reverse margin when you have a target margin and need a selling price. For marketplace sales, use a platform-specific tool and confirm the current fee schedule.

Try the main Margin Calculator ↗Learn how to calculate margin ↗Margin vs. markup explained ↗

These calculators provide estimates and educational examples. Financial, trading, and pricing decisions should also account for your specific circumstances and current fees.