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SMS Segment Calculator
See how many segments your SMS will use, estimate cost, and highlight risky characters live.
Standard GSM
GSM Extended
Unicode / Emoji
GSM extended characters are highlighted in amber. Unicode and emoji are highlighted in red because they switch the message to UCS-2.
Segments
0
Units Used
0/160
Typed: 0
Remaining
160
Encoding
GSM-7
Standard GSM
0
GSM Extended
0
Unicode
0
Estimated Cost (USD)
$0.0000
*Estimate only. Carrier fees, taxes, routing, and pricing tiers are not included.
Using GSM-7 Encoding
Your message uses only standard GSM characters, allowing up to 160 characters per segment.