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Business tools.
Free calculators for pricing, ecommerce fees, invoicing, ROI and more. Everything runs in your browser — nothing stored, nothing tracked.
Invoicing & Documents
Profit & Pricing
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Profit Margin Calculator
Gross margin, markup and profit per unit
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Markup Calculator
Convert markup to margin and find selling price
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Break-Even Calculator
Units to sell to cover fixed costs
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Discount Calculator
Sale price after percentage discount
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Hourly Rate Calculator
What to charge as a freelancer
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Ecommerce & Seller Fees
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eBay Fee Calculator
Final value, regulatory and payment processing fees
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Amazon FBA Calculator
Referral, fulfillment and storage fees with ROI
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Etsy Fee Calculator
Listing, transaction, payment and Offsite Ads
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Shopify Profit Calculator
Profit per sale after all Shopify costs
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Business Finance
Business Loan Calculator
Monthly payments, total interest and cost
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ROI Calculator
Return on investment for any project
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Employee Cost Calculator
True hiring cost with NI, pension and overhead
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Holiday Entitlement Calculator
UK statutory holiday for any work pattern
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