单位换算
全能单位换算工具，支持长度、重量、温度、面积等多种单位之间的快速换算。
| 单位 | 结果 | |
|---|---|---|
mmMillimeter | 1,000mm | |
cmCentimeter | 100cm | |
mMeter | 1m | |
kmKilometer | 0.001km | |
inInch | 39.37007874in | |
ftFoot | 3.280839895ft | |
ydYard | 1.093613298yd | |
miMile | 0.0006213711922mi |
温度换算基于精确公式；其余单位基于 SI 标准。
相关关键词
How to Use Unit Converter
Unit conversion is a daily necessity in science, engineering, cooking, travel, and everyday life. Our Unit Converter covers the most commonly needed conversions: length (meters, feet, inches, miles, kilometers), weight (kilograms, pounds, ounces, grams), temperature (Celsius, Fahrenheit, Kelvin), and area (square meters, square feet, acres, hectares). Simply enter a value, select the unit categories, and all conversions are displayed instantly. The tool is ideal for students, engineers, travelers, and anyone who needs quick, accurate unit conversions.
- 1
Select a category
Choose the type of unit you want to convert: Length, Weight, Temperature, or Area.
- 2
Enter a value
Type the number you want to convert in the input field.
- 3
View all conversions
All converted values appear instantly across all units in that category.
Frequently Asked Questions
How accurate are the conversions?
The tool uses standard scientific conversion factors and displays results to several decimal places, making it suitable for most practical purposes.
Can I convert temperature from Fahrenheit to Celsius?
Yes. Temperature conversions use the proper formulas: °C = (°F − 32) × 5/9 and °K = °C + 273.15.
Are imperial and metric units both supported?
Yes. Both imperial (US/UK) and metric (SI) units are fully supported across all categories.