Business
Starting, running and growing a business or freelance career — practical, numbers-first guidance.
Business Calculators
Live and free — type your numbers and results update instantly.
ROI Calculator
Return on investment, total and per year.
How this calculator works
ROI = (Final value − Cost) ÷ Cost. Annualised ROI spreads the return over the holding period.
Payback Period Calculator
How long until an investment pays for itself.
How this calculator works
Payback period = Initial investment ÷ Monthly net cash inflow.
Freelancer Hourly Rate Calculator
Turn your income goal into the hourly rate you should charge.
How this calculator works
Rate = (Desired income + Business costs) ÷ (1 − Tax rate) ÷ Billable hours per year.
Product Pricing Calculator
Selling price from cost and target profit margin.
How this calculator works
Price = Cost ÷ (1 − Margin). Optional sales tax is added on top.
Estimates for education only — confirm with your bank, broker or tax adviser. Your numbers stay in your browser.
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