complete proteins/food combination question

So I have a ton of dried beans and dry, whole grains at my disposal in my pantry right now, and of course from my general nutritional knowledge, I know you can combine legumes and grains to make a complete protein. I'm currently on a muscle building program at the moment and have to eat a certain amount of protein per day to actually gain muscle. I am living on kind of a monk-like budget at the moment so once my whey protein is gone I'm just going to get most of my protein from the grains and beans until there's a decent dent in that staple supply (I have access to cheap/free veggies as well as a good stock of spices and such in my kitchen). Where I get confused is how to count grams of protein when you're combining the foods. I can look up the protein content of a certain amount of grains or beans separately, but what I'm having trouble finding is how to count the collective grams of actual, complete protein of the two combined. Anyone know? Any advice re: making complete proteins from plant foods and counting the collective, complete grams is highly appreciated. Thanks guys!

Edited to add: I did post this in the vegetarian forum. I'm not trying to spam or be obnoxious, just wanted to get varied answers to this inquiry.

 

"Complete proteins" are largely a myth. Proteins are just amino acids. A complete protein is a mixture of them that mirrors the proportion of them used by the human body. There's nothing special about it, it just ensures that you get all the amino acids you need. You can get them from a non-complete protein, too. This website doesn't give the exact amount of each amino acid, but does give you an idea of how complete the food is (if you scroll down and look at protein quality) for each amino acid. This one gives the amount of each amino acid for a lot of foods, but not everything. I think you can find a guide for what is considered complete on wikipedia, and use it to figure out how many grams are in each food and how much of what different types of food to eat to make sure you've gotten everything.

The websites are kind of confusing, but I hope this helps.

 

Actually it does help, thanks for the links! You're the only one who's been able to give any answer at all thus far, so it's much appreciated. whoot!