I used to buy BetaFuel and did the math when converting to my homemade mix. It is approximately 80g carbs give or take a few, i.e., I have not felt a difference on 6-10 hour rides when I know one tablespoon is slightly different than another. This lines up with older research when the standard recommendation was a 1:1 ratio and not a 1:0.8 ratio. My bank account sees a big difference though. 
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