Practical Utilities

Free Business Calculators

Know your numbers before you spend money building anything. Fast, mobile-friendly tools designed for business owners, operators, and entrepreneurs.

Pricing & Profitability

Profit Margin & Markup Calculator

Calculate gross profit margin, markup percentage, and selling price including VAT and delivery costs.

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Pricing & Profitability

Break-Even Analysis Calculator

Find the exact number of units or sales revenue required to cover all fixed and variable overhead costs.

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Inventory & Procurement

Inventory Reorder Point & Safety Stock Calculator

Calculate when to reorder stock and how much buffer inventory to maintain based on lead time and daily demand.

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Need deeper systems beyond calculators?

Explore our full Blueprints for ready-to-deploy spreadsheet models and Standard Operating Procedures.

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