Free financial calculators for your website
Add a fast, accurate calculator to your blog or site in one click. No signup, no fees, no ads inside the widget — just copy one line of code. Free to use as long as you keep the small “Powered by FinCalcs” credit link.
1
Pick a calculator
Choose any tool from the list below.
2
Copy the code
Click “Embed — free” and copy the snippet.
3
Paste it in
Drop it into your page's HTML. Done.
Choose a calculator to embed
Mortgage Calculator
Preview the tool →Loan Calculator
Preview the tool →Compound Interest Calculator
Preview the tool →Savings Calculator
Preview the tool →Retirement Calculator
Preview the tool →Credit Card Payoff Calculator
Preview the tool →Investment Calculator
Preview the tool →Car Loan Calculator
Preview the tool →Budget Calculator
Preview the tool →Need a different calculator? Browse all calculators — every one has its own free embed button.
Why add a calculator?
- Keep readers on your page longer. Interactive tools boost time-on-page and engagement far more than static text.
- Always accurate and up to date. Formulas and figures are maintained by us — your embed stays current automatically.
- Fast and clean. The widget is lightweight, mobile-friendly, loads lazily and shows no ads.
- Truly free. No account, no API key, no usage limits. Just keep the credit link so others can discover the tools too.
Want a custom or localized calculator?
We can tailor figures for the US, UK, Canada or Australia. Get in touch at hello@getfincalcs.com.