Info
How the calculator works, common questions, and a short note about the project.
How it works
- Enter your hobby name or load a preset.
- Add upfront and monthly costs using the Add Item buttons.
- Totals update automatically. Values save in your browser.
- Export a CSV to save or share.
FAQ
Do values save?
Yes. Your inputs are saved to your browser using localStorage.
What about taxes or shipping?
Add them as separate items so totals reflect them.
Is my data shared?
No. Data stays in your browser unless you export a CSV.
About
HobbyBudget is a lightweight tool for planning hobby costs. It runs entirely in your browser.