Frequently Asked Questions

Find answers to common questions about unit conversions, measurement systems, and how to use our tools.

General Questions

UnitConvert is a free online tool that allows you to convert between different units of measurement instantly. Simply select the unit you want to convert from, enter your value, choose the target unit, and get instant results. All calculations happen in your browser for fast, private conversions.
Yes! UnitConvert is completely free with no hidden fees, no registration required, and no limits on conversions. We believe essential tools should be accessible to everyone.
No account needed! You can access all our conversion tools immediately without any registration. Just visit the site and start converting.
Absolutely! UnitConvert is fully responsive and works perfectly on smartphones, tablets, and desktop computers. The interface automatically adapts to your screen size.
Our conversions use internationally recognized conversion factors with up to 10 decimal places of precision. We regularly verify our formulas against official measurement standards to ensure reliability.

Unit Categories

We support 100+ units across 18 categories including: Length, Weight, Temperature, Volume, Area, Speed, Time, Angle, Data, Energy, Power, Pressure, Force, Fuel, Cooking, Engineering, Technology, and Real Estate measurements.
Visit our Temperature Converter to easily convert between Celsius, Fahrenheit, and Kelvin. Simply enter your temperature value and select the units you want to convert between for instant results.
Metric units (meters, kilograms, liters) are based on powers of 10 and used globally. Imperial units (feet, pounds, gallons) are primarily used in the United States. Our converters make it easy to switch between both systems.
Yes! Our Cooking Converter supports teaspoons, tablespoons, cups, ounces, and more. Perfect for converting recipe measurements between different systems.
Currently, we focus on physical unit conversions (length, weight, temperature, etc.). For currency conversions, we recommend using a dedicated currency converter that provides real-time exchange rates.

Technical Questions

We use conversion factors from authoritative sources like NIST (National Institute of Standards and Technology) and ISO standards. All formulas are regularly verified for accuracy and updated when standards change.
Results are displayed with up to 10 decimal places to maintain precision, though for most practical purposes, 2-4 decimal places are sufficient. Very small or large numbers may be shown in scientific notation.
Currently, our converters handle one value at a time. For multiple conversions, you can bookmark specific converter pages and quickly switch between them, or use our conversion tables for common reference values.
Once a converter page is loaded, it will continue to work even if your internet connection is lost. All calculations happen locally in your browser, so no internet is needed for the actual conversions.
No. We do not store or track any values you enter into our converters. All conversions happen locally in your browser, and no conversion data is transmitted to our servers. Your privacy is important to us.

Usage Tips

You can enter numbers in scientific notation (e.g., 1.5e6 for 1,500,000) or standard form. Our converters handle both very large and very small values with precision, displaying results in the most readable format.
Yes! Each converter has its own unique URL that you can bookmark for quick access. You can also share converter links directly with others who need the same conversion tool.
We'd love to hear from you! Please visit our Contact page to send us feedback, report bugs, or suggest new features. We review all submissions and continuously work to improve UnitConvertZone.
Yes! Visit our Conversion Tables page for printable reference charts with common conversion values. These are great for quick lookups and offline reference.
UnitConvert works on all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. We recommend keeping your browser up to date for the best experience and latest features.