Length, weight, temperature, speed, area, volume and more. Results update as you type.
📏 Length⚖️ Weight🌡️ Temperature💨 Speed📐 Area🧪 Volume⏱️ Time💾 Data
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How it works
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Select from 8 categories: length, weight, temperature, speed, area, volume, time and data.
02
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Pick the source and target units from the dropdown menus.
03
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Enter your number and see the result update instantly in real time.
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See conversions to all available units at once in the reference table below.
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Frequently asked questions
The unit converter supports a wide range of measurement categories including temperature (Celsius, Fahrenheit, Kelvin), weight and mass (kilograms, pounds, ounces, grams, tonnes), distance and length (meters, kilometers, miles, feet, inches, yards), speed (km/h, mph, m/s, knots), area (square meters, acres, hectares), and volume (liters, gallons, milliliters, cubic meters). More categories may be added over time.
To convert Celsius to Fahrenheit manually, use the formula: F = (C × 9/5) + 32. For example, 100°C equals (100 × 1.8) + 32 = 212°F. You can use the tool above to convert any temperature instantly — just select Temperature, enter the value in Celsius, and the Fahrenheit result appears immediately.
One kilometer equals approximately 0.621371 miles. To convert, multiply the number of kilometers by 0.621371. For example, 10 km equals about 6.21 miles. The unit converter handles this instantly with full precision, which is especially useful for travelers comparing distances across countries that use different measurement systems.
Most of the world uses the metric system (SI units), which is based on powers of 10 and is the international standard for science, medicine, and trade. The United States, Liberia, and Myanmar still use the imperial system (miles, pounds, Fahrenheit) for everyday use, largely due to historical convention. The UK uses a mix of both systems. This is why unit converters are so useful for international travelers, students, and professionals.
Yes. All conversions use precise, internationally standardized conversion factors. Results are displayed with high decimal precision, making the tool suitable for academic, scientific, engineering, and professional use — not just everyday quick conversions.
Yes. The unit converter is fully responsive and works on any device — smartphones, tablets, laptops, and desktops. No app installation is needed. Just open the page in any modern browser and start converting.
One kilogram equals approximately 2.20462 pounds. To convert manually, multiply the number of kilograms by 2.20462. For example, 70 kg equals about 154.32 pounds. This conversion is commonly needed for travel, fitness tracking, and shipping between countries using different weight systems.
The converter runs entirely in your browser using JavaScript. Once the page is loaded, all conversions work without an internet connection. The conversion logic is already on your device — no server calls are needed to calculate results.