常用单位换算 - 公制、美制 (英制) 单位换算，美国生活好帮手 app for iPhone and iPad

This app converts between metric units, United States customary units and Chinese customary units (Mainland China). The app is designed concisely and strait forward to use. Great tool for travelers between United States and China.

Supports the following units:

• Temperature: degree Celsius, degree Fahrenheit.
• Weight: kilogram, gram; catty, tael; pound, ounce; catty + tael, pound + ounce.
• Length: centimeter, decimeter, meter, kilometer; inch, foot, yard, mile.
• Speed: kilometer per hour, mile per hour; pace (per kilometer), pace (per mile).
• Area: square centimeter, square meter, are, hectare, square kilometer; square inch, square foot, square yard, acre, square mile; Chinese are (mu).
• Volume: milliliter, liter, cubic meter; cubic inch, cubic foot; fluid ounce, pint, quart, gallon; teaspoon, tablespoon, cup.
• Height: meter + centimeter; foot + inch.
• Food energy: kilojoule; kilocalorie.
• Fuel economy: liters per hundred kilometers, miles per gallon.
• Pressure: Bar; PSI.
• Currency: Chinese yuan (CNY), US dollar (USD).