10 tools · Invoices, margins & pricing
Business tools
Practical operator tools for invoicing, margin analysis, break-even planning and payroll estimates.
Invoice Generator
Create a clean, professional invoice with line items, tax and discounts in under a minute.
ROI Calculator
Calculate return on investment percentage, net gain and annualised ROI.
Profit Margin Calculator
Work out gross profit margin, markup percentage and profit from revenue and cost.
Break-Even Calculator
Find the sales volume where fixed and variable costs are covered by revenue.
Business Loan Calculator
Estimate monthly repayments and total interest on a business loan.
Payroll Calculator
Estimate net pay and employer cost from gross salary, tax and contribution rates.
Markup Calculator
Convert between cost, markup percentage and selling price for any product.
Employee Cost Calculator
Find the true annual, monthly and hourly cost of an employee beyond salary.
Sales Tax Calculator
Add or remove sales tax from a price using a custom rate or common presets.
Startup Cost Calculator
Total your one-off setup costs and monthly running costs to size the capital you need.
Popular articles
Guides and explainers from our business desk.
Business tools — FAQ
- Are the business tools free to use?
- Yes. Every AIPULY tool is free, with no sign-up, no usage caps and no watermarks on anything you export.
- Do you store the values I enter?
- No. Calculations run in your browser, so the numbers and text you type never leave your device.
- Can I use the results commercially?
- Yes. Results, exports and generated files are yours to use in client work and internal reporting without attribution.
Latest tools
Freshly shipped from the AIPULY workshop.
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Generate one or many random version-4 UUIDs, with optional uppercase formatting and one-click copy.
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Encode text to Base64 or decode Base64 back to readable text, with full UTF-8 support.
Utilities
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