GPA Conversion

I think that, in fact, there are some certified services offer converting 10 point scale to 4 point scale and even converting from 4 point scale to US 4 point scale.

In the former, which is what you ask, the service uses some score systems to convert scale. For example, 9 and higher mark will be converted to A mark, which stands for 4, and 8 to 9 mark will be converted to B mark, which stands for 3, etc.

In the latter, the service tries to review the whole subjects and eliminates any that is irrelevant to the major. Hence, the final converted score will be significantly higher. Higher score means better chance to get accepted.

In addition, US schools doesn't require candidates converting from 10 point scale to US 4 point scale, but converting should be considered since the Admission Council is familiar with 4 point scale system so they could evaluate candidates' applications objectively.