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T9 Text Converter

Convert text to T9 predictive text numbers and vice versa.

Input

Result

44 33 555 555 666

About this calculator

Overview

T9 (Text on 9 keys) was predictive text for mobile phones. Each number (2-9) represents 3-4 letters. Essential for understanding old phone texting.

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Pro Tips

Press number multiple times for different letters.
1 = punctuation/symbols.
0 = space.
Predictive text guessed words from number sequence.

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Fun Facts

"T9 developed by Tegic (1995)."
"Smartphones replaced T9 with QWERTY."
"Text messaging: 1990s-2000s dominant."
"First text message: 'Merry Christmas' (1992)."

Formula: 2=ABC, 3=DEF, 4=GHI, 5=JKL, 6=MNO, 7=PQRS, 8=TUV, 9=WXYZ