Thai2English

The two-way Thai2English dictionary has over 110,000 Thai entries and 90,000 English ones, the majority of which have example sentences showing how they’re used in both Thai and English. You can search in English, Thai script or any form of transliterated Thai, and wildcard or regular expression searches are also supported.

http://www.thai2english.com/

Thai Language Dictionary

Welcome to thai-language.com, your Internet resource for learning the Thai language for over 11 years.

Here you'll find 13130 audio clips, over 41686 dictionary entries, 818 images and illustrations, message boards, and a fun world-wide community of folks who are interested in Thai language, culture, residency, and travel.

This website provides information for English-speakers with any level of interest—from beginners who wish to learn a few phrases before their vacation to advanced students who may be living, working, or retired in Thailand someday.

http://www.thai-language.com/dict/

Google Translate

Google translate can either translate web pages or blocks of texts, its still in its learning stage and doesnt pick up on slang and takes things literally. Therefore creating robot like text.

http://translate.google.com/

Babylon Translator

This smart device can also translate blocks of text from english to thai, its not as good as the real thing, but its ideal for a quick basic translation.

http://translation.babylon.com/English/to-Thai