Unit Converter
Unit Converter
Enter a number to convert to all units.
Unit Converter Features
Instantly convert 40 units across 6 categories: length, weight, temperature, area, volume, and speed. All calculations run in-browser with no API, so it works offline too. All units update in real time as you type.
How to Use
① Select a category (length, weight, temperature, etc.) from the top. ② Type a number in the input field. ③ All units in that category are converted and displayed instantly. ④ Click the copy button next to any result to copy it to your clipboard.
When to Use
• Converting cups, grams, and ounces for cooking recipes • Converting body measurements (cm ↔ inches, kg ↔ pounds) • Comparing property sizes in pyeong, m², or acres • Converting speed units like mph, km/h, or knots • Converting between Fahrenheit, Celsius, and Kelvin
Frequently Asked Questions
- Q. How do I convert inches to centimeters?
- A. Select the 'Length' category, set the base unit to 'Inch (in)', and enter your number. All length units including centimeters will be converted instantly. 1 inch = 2.54 cm.
- Q. How do I convert pounds (lb) to kilograms (kg)?
- A. In the 'Weight' category, select 'Pound (lb)' as the base unit and enter your value for an instant conversion to kilograms. 1 pound ≈ 0.4536 kg.
- Q. Can I convert Fahrenheit to Celsius?
- A. Yes. In the 'Temperature' category, enter your value in Fahrenheit (°F) and it will instantly convert to Celsius (°C) and Kelvin (K). The formula (°F − 32) × 5/9 = °C is applied automatically.
- Q. I want to convert pyeong to square meters.
- A. In the 'Area' category, select 'Pyeong' as the base unit to instantly convert to m², ft², acres, and more. 1 pyeong ≈ 3.306 m².
- Q. Can I use it offline?
- A. Yes. All unit conversion calculations run in the browser, so once the page is loaded, you can use it without an internet connection.