SMS Message Segment Calculator

Use the calculator below to check whether your SMS message contains only ASCII characters (GSM7 encoding) or any special characters (UCS-2 encoding) and how many segments will be required to send. Please refer to the user guide for further definitions of how SMS encoding and segments operate.

SMS Message Body


Encoding
Encoding
Required
Number of
segments
Number of
characters
Number of
Unicode scalars
Message
size
Total
size sent
Message Parsed
Character Codes
Warnings
Legend
  • 0xFFFF - Character block
  • 0xFFFF - Non GSM-7 character block