How to use this tool
- Enter your values in the labelled fields or load the worked example.
- Review the assumptions below, then run the tool.
- Review the result, then copy or download it.
Try this example
{"years": 5, "purchase": 30000, "resale": 15000, "insurance": 800, "maintenance": 600, "tax": 200, "energy": 1800, "financeCost": 2500, "annualKm": 15000}Accuracy and scope
Uses entered fixed estimates; no market valuation, tax calculation or opportunity cost.
Is my data uploaded?
This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.