Frequently Asked Questions

1. What is NumLab?

NumLab is a platform offering free, easy-to-use calculators covering topics like finance, health, planning, and more — all designed to help you make faster, informed decisions.

2. Are the calculators free to use?

Yes — every tool on NumLab is completely free to use. No sign-up or payment is required.

3. How accurate are the results?

We do our best to ensure each calculator follows standard formulas and reliable logic. However, results are estimates only and should not replace professional advice.

4. Is my data private?

NumLab does not store any personal data you enter into calculators. We may use anonymous usage data to improve the site. For details, please see our Privacy Policy.

5. How often are calculators updated?

We regularly review and update our calculators to keep them current with user feedback, new regulations, and better calculation methods.

6. Can I request a new calculator?

Absolutely! We welcome suggestions. Please contact us with your idea — we’ll gladly consider it for future updates.

7. Can I embed a calculator on my own website?

We’re working on providing embeddable widgets. If you’re interested in early access or partnership opportunities, reach out through our Contact page.

8. Where do your formulas come from?

We source formulas and calculation methods from trusted public standards, industry guidelines, and academic references. When needed, we document assumptions for clarity.

9. Do you have a mobile app?

Not yet — but we’re exploring it! In the meantime, NumLab is fully responsive and works great on phones and tablets.

10. I found a bug — how can I report it?

Thank you for helping us improve! If you find an issue, please contact us with details so we can fix it quickly.