3HK Data Calculator
Learn More About Data Services
2 steps to understand your daily data usage or needs:
Select device type

Device Type:

Use your application usage level to estimate the data usage or use the monthly data usage level to allocate the application usage

A. Select monthly usage:

B. Drag the sliders or input numbers to indicate your usage level of various applications:

 emails    posts
 emails    minutes
 emails    apps


Data Legend - Smartphone
1. One text email (about 2000 English characters) = 22KB
2. One email with one photo attachment = 1.5MB
3. One email with one Word, Excel, Powerpoint or PDF = 300KB
4. One web page (in mobile version) = 180KB
5. One instant message (about 100 English characters or 50 Chinese characters) = 25KB
6. One minute of YouTube streaming video with standard quality = 2MB
7. One application/game = 10MB

* 1 MB = 1,024 KB; 1 GB = 1,024 MB
* Data usage varies per phone. The above examples are reference from a standard Smartphone

Transmission Speed
Mobile data services’ speed is the theoretical value, and the actual data transfer speed will vary depending on network conditions at that time, computer hardware, software, with, at the same time sharing the numbers, location, use the number of the software, the speed of the web itself, weather, terrain and other factors biased.