One of the ways that is quite effective is to use the free automated Spanish translators on the internet. They work like a dictionary and are populated with words from both English and Spanish. Many of them actually offer several other languages as well. The real limitation on these site, however, is that they only work well for individual words or small phrases.

When you have a full document to be translated you may need to get the translation done by a human. This type of service can be extremely costly and hard to find. Translation agencies are typically set up for business translation and legal translation.

If you just have a paper, or a presentation, or anything else that needs to be translated but you don’t want to go broke doing it, there are some options.  There are some services online that allow you submit a document for translation at a reasonable cost. They are designed for the casual translation rather than the expensive business or legal versions.

Make sure the service you are using offers a free price quote before they do the translation. Also make sure that the translations are done in a quality manner and the translators are fluent in both languages. Here is a site I recommend.  They are reputable and very high quality.