Frequently Asked Questions

Yes — completely. All 293 calculators and converters are free to use with no sign-up required. Every tool works instantly without creating an account.

SwiftCalculators offers 293 tools in total: 211 calculators across 7 categories — Health, Finance, Math, Time, Engineering, Construction, and Misc — plus 82 unit converters covering length, weight, temperature, currency, data storage, and more. Browse everything from the Calculators and Converters pages.

No. SwiftCalculators runs entirely in your web browser — no app, plugin, or download is required. Open any page and the tool works immediately.

Yes. SwiftCalculators is designed mobile-first and works seamlessly on phones, tablets, and desktops. All tools are fully responsive and touch-friendly.

Most calculators run entirely in your browser and work without an internet connection once the page has loaded. However, tools that fetch live data — such as the currency converter — require a connection to retrieve up-to-date rates.

We love hearing from users. Visit our Contact page and describe the tool you have in mind — the more detail the better. Popular requests are prioritised for upcoming releases.

No. SwiftCalculators is an informational resource only. All results are provided as-is with no guarantee of accuracy, completeness, or fitness for any particular purpose. While we use established formulas and publicly documented standards, we do not warrant that results are error-free. Always verify important figures independently and consult a qualified professional before making any decision based on our tools.

No. SwiftCalculators is built for general informational purposes only and does not provide professional advice of any kind. Results must not be relied upon as medical, legal, financial, engineering, or any other form of professional guidance. No guarantee is made regarding their suitability for your specific situation. Always consult a licensed professional for decisions that affect your health, finances, or legal rights.

All formulas are based on established, publicly documented standards. Results are for informational purposes only and should not replace advice from a qualified professional. See our Disclaimer for full details.

Exchange rates are refreshed daily from a public financial data feed. Because rates can fluctuate throughout the day, the figures shown are indicative and may differ slightly from live market rates. For time-sensitive transactions, always confirm with your bank or exchange service.

Yes. Each calculator has a Share button that generates a link with your exact inputs and results. Anyone with the link can view the calculation.

Please contact us with the name of the calculator, your inputs, the result you received, and what you believe the correct result should be. We investigate every report and correct verified errors quickly.

No. We do not sell, rent, or share personally identifiable information with third parties for marketing purposes. Please read our Privacy Policy for the full details of how we handle data.

Your calculations run entirely in your browser — we don't store them on our servers. We collect anonymized usage data (which tools are used, not who used them) to help us improve the site.

We do not use tracking cookies, advertising cookies, or third-party analytics, and we do not run any ads on the site. The only cookie that may be present is __cf_bm, a security cookie set by Cloudflare for bot protection — it does not track you across sites. See our Privacy Policy for full details.

No. All calculation logic runs locally in your browser. The numbers you enter are never sent to our servers and are not stored or logged anywhere by us.