Frequently Asked Questions

Yes, completely free. All converters and tools are available without sign-up, ads in your face, or hidden fees.

We use industry-standard conversion factors sourced from NIST and ISO standards. Results are displayed to 7 significant figures. For critical applications (medical, engineering, financial), always verify with professional instruments or certified software.

No. Our currency converter uses static reference rates for estimation purposes. For live trading rates, please use a licensed financial service like your bank or a forex platform.

No account is needed. All tools work instantly in your browser. Your preferences (dark mode, bookmarks) are stored locally in your browser.

Since all conversions are calculated in your browser (no server calls), most pages will work if you've visited them before and your browser cached them. However, an internet connection is needed for the initial load.

We support 170+ units across 15 categories including weight, length, temperature, area, volume, speed, data storage, energy, pressure, power, fuel economy, angle, frequency, time, cooking, currency (17 currencies), number bases, Roman numerals, and more.

Go to the relevant converter page (e.g. Weight), select the "From" unit in the first dropdown, enter your value, and select the "To" unit in the second dropdown. The result updates instantly.

Yes! Every converter has a "Swap" button between the two unit selectors. Click it to reverse the conversion direction instantly.

SI units (KB, MB, GB) use powers of 1000 (1 KB = 1,000 bytes). Binary units (KiB, MiB, GiB) use powers of 1024 (1 KiB = 1,024 bytes). Our Data Storage converter supports both systems.

Enter your height and weight (in metric or imperial units). BMI is calculated as weight(kg) ÷ height(m)². Results show your BMI value, WHO category, a visual scale, and your healthy weight range.

It covers basic arithmetic, trigonometric functions (sin, cos, tan with inverse), logarithms (log, ln), powers, square root, factorial, and constants (π, e). It supports both DEG and RAD modes. For advanced features like graphing or symbolic math, a dedicated app may be better suited.

Enter the loan amount, annual interest rate, and term (months or years). It calculates your monthly payment, total interest paid, total amount, and shows an amortization schedule for the first 24 months.

Dark mode switches the site to a dark background with light text, reducing eye strain in low-light environments. Click the moon/sun icon in the top-right header to toggle. Your preference is saved automatically.

Click the bookmark icon (🔖) in the header on any page. Bookmarked pages are saved in your browser's local storage. You can remove a bookmark by clicking the icon again.

Yes! xConvert24 is fully responsive and works on all screen sizes. On mobile, tap the hamburger menu (☰) to open the navigation sidebar. You can also add the site to your home screen for app-like access.

Click the bug icon (🐛) in the header or visit the Report Bug page. Select the affected converter, choose a severity level, describe the issue, and submit. You can also vote on existing bugs to help us prioritise fixes.

We use Google Analytics to understand which converters are popular and to improve the site. You can control this via the cookie consent banner. We do not collect personal information, and all conversion inputs stay in your browser — nothing is sent to our servers.

Yes, you can use our tools for personal, educational, or professional work. However, for critical commercial applications (financial trading, engineering safety, medical dosing), always verify results with authoritative professional tools.

xConvert24 works in all modern browsers: Chrome, Firefox, Safari, Edge (latest versions). We use modern CSS and JavaScript features that require relatively recent browser versions.

We ship improvements regularly. Check the Release Notes page for a full changelog of features and bug fixes.

Yes we do! You can donate crypto to us. We accept Solana (SOL). Loading... Copy