I assure you that the accuracy is near 72-82 percent depending on the language. If I listed a link that proves this below.
Of course the way you phrase things makes a difference as well. Using my Double-Translation method helps to do this.
There is no replacement for human translation, however, that is expensive and far from free.
Here are the "FACTS" on machine translation:
http://www.itl.nist.gov/iad/mig/tests/mt/2...results_v0.htmlIn most of the cases above. Google Translation is the best, which is the translation used by this program.