Educator Resources

Free, privacy‑friendly calculators for classrooms, libraries, and community programs. No accounts. No data collection. Accessible and mobile‑friendly.

What you can use

Debt Payoff Planner — snowball vs avalanche, printable schedule
Compound Interest — growth with monthly contributions
Emergency Fund Calculator (3/6/12 months) — set targets and timelines
Budget Splitter — 50/30/20 or custom ratios
Savings Rate & FI Date — estimate time to financial independence

All tools run entirely in the browser. No student data leaves the device.

Embed a calculator (copy & paste)

Use the lightweight iframe. Add ?embed=1 to hide header/footer.

<iframe
  src="https://openfinancecalculators.com/calculators/debt-payoff/?embed=1"
  width="100%" height="700" style="border:1px solid #d3d7e3;border-radius:10px" allow="clipboard-write"></iframe>

Swap the URL to any calculator you prefer. For accessibility, ensure the surrounding page has descriptive context and a heading.

Accessibility & privacy

Privacy: Calculations run client‑side; we don't store inputs or require logins.
Accessibility: Inputs are labeled; results regions announce updates with aria-live.
Ads: Embeds are clean; if ads are present on the host page, they won't interfere with calculators.

See our Privacy Policy for details.

Lesson ideas

Minimum payments vs extra payments: Compare months to payoff and total interest saved.
Emergency fund targets: Model 3, 6, and 12‑month buffers and discuss trade‑offs.
Compound contributions: Step‑up savings each year and chart the difference.

Contact

Email us at contact@openfinancecalculators.com for questions or to request a custom embed.