Free Cost & Encoding Tool

SMS Segment & Encoding Calculator

Check in real-time whether your SMS uses GSM-7 (160 characters) or Unicode (70 characters), and prevent unintended multi-segment charges.

85 raw chars
Preset templates:

Encoding & Cost Summary

Encoding Standard
GSM 03.38 (7-bit)
Billed SMS Segments
1
75 chars remaining in segment
Estimated rate / SMS:0.20 MAD
Total Cost / Recipient:0.20 MAD
Test with 10 Free SMS
GSMA Segmentation Rules
  • GSM-7 : 1 segment = 160 car. Multi-segments = 153 car. / segment.
  • Unicode : 1 segment = 70 car. Multi-segments = 67 car. / segment.
  • Les guillemets courbés (« », “ ”), emojis et tildes basculent le SMS entier en Unicode.