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Fiverr Pro
English
$
USD
I will build a custom interactive financial calculator or simulator for any purpose
Claudio Dinis
About this gig
Need an interactive tool for a specific financial calculation something that doesn't exist off-the-shelf because it's unique to your business?
I build custom web-based calculators and simulators (HTML/JavaScript), tailored to the exact problem you need solved. Not a generic template the calculation logic is designed around your specific case.
Examples of what I can build:
- Personal or business budget simulators
- Cash-flow and treasury projection tools
- Loan/credit amortization simulators
- ROI, margin, or break-even calculators
- Pricing tools for products or services
- Commission or bonus structure simulators
- Interactive financial dashboards with multiple KPIs
Have a different idea? Get in touch if it involves numbers, formulas, and financial decisions, I can probably turn it into an interactive tool.
As an accounting technician with hands-on ERP experience and years working with real financial data, I make sure the logic behind the tool is correct not just a nice interface, but math that actually makes sense for your business.
Delivered as a standalone file (works in any browser, no server needed) or adapted for direct embedding on your website.
Get to know Claudio Dinis
Claudio Dinis
Accounting Technician, Excel and Dashboards Specialist, Automation
- FromPortugal
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Portuguese, English
I help businesses and individuals get their spreadsheets, finances and admin work in order, and automate the repetitive parts so they stay that way.
I work daily in finance, admin and accounting, with hands-on skills in Excel, Google Sheets, dashboards and automation.
WHAT I DO:
- Fix and build Excel formulas, pivot tables and messy spreadsheets
- Management dashboards: sales, cash flow, costs, KPIs
- Stock and inventory analysis
- Automate tasks with Google Apps Script and Python
- Interactive web tools & calculators
- Bookkeeping: invoicing, reconciliations, reporting
Direct and reliable.
Other Software Development Services I Offer
FAQ
Do I need any technical knowledge to use the tool once delivered?
No. The tool works like any regular webpage — you or your clients just open it in a browser and use it. No installation, no coding knowledge required.
Can the tool be embedded on my existing website?
Yes. I deliver a standalone file by default, but I can also adapt it for direct embedding into your site if needed — just let me know when placing your order.
What if my idea isn't listed in your examples?
That's fine — the examples are just a starting point. If it involves numbers, calculations, and financial logic, send me the details and I'll confirm if it's something I can build.
Will the calculations be accurate for my specific use case?
I design the calculation logic around your exact requirements before writing any code, and I test it with real numbers before delivery. If something doesn't add up, we fix it as part of the included revisions.
