TotalCalculator – Free embeddable calculators for websites

Summary: TotalCalculator offers free, customizable calculator widgets that website owners can embed without signup or API keys. It supports multiple calculator types, runs calculations locally for privacy, and works across platforms including WordPress and Wix.

What it does

TotalCalculator provides iframe-based widgets like scientific, EMI, and loan calculators with features such as multi-currency support, calculation history, and amortization schedules. All calculations run client-side, enabling offline use as a progressive web app.

Who it's for

It targets bloggers, educators, small businesses, and developers seeking free, embeddable calculators without recurring fees or complex integration.

Why it matters

It eliminates costly subscription fees for calculator widgets by offering fully functional, privacy-focused tools that can be embedded instantly on any website.