SMS Length Calculation Explained: The length of the SMS is calculated as per below table. GSM 7 Bit Alphabet No. of Characters in SMS Content No. of SMS Credits Considered 160 Characters (Standard SMS) 1 SMS Credit / Unit 306 Characters (Multi-part SMS) (2 *153 characters) 2 SMS Credits / Units 453 Characters (Multi-part SMS) (3 *153 […]