SMS Calculator
Calculate SMS character count, parts, and cost for your campaigns
Characters—
Encoding—
Parts—
Remaining—
Extended characters (count as 2):
Unicode characters:
Parts per message0
Recipients0
Cost per part0
Total SMS parts0
Cost per recipient0
Total cost0
About SMS Messaging
See how many SMS parts your message will use.
SMS messages are split into parts based on character count and encoding. GSM-7 encoding allows 160 characters for a single SMS or 153 per part for multipart messages. Unicode (for emojis and special characters) allows only 70 characters single or 67 per part.
Character Encoding
GSM-7
160 chars (single) / 153 chars (multipart). Standard characters only.
Unicode
70 chars (single) / 67 chars (multipart). Required for emojis & special characters.