Calculating PBW ounces to Tablespoons

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RainierViewBrewing

Member
My search to find out how many Tablespoons vs. Ounces of PBW rendered many DIFFERENT conclusions. So, I went out and bought a digital scale to figure out the answer. However, my results are not close enough to everything I’ve read, so I’ll open this up here for discussion.
The scale I bought resulted in 2 Tablespoons = 1.1 ounces. I’m concerned because another website showed calculations of 1 teaspoon = 1 ounce; there are 3 teaspoons in 1 Tablespoon, so 1 Tablespoon should have resulted in 3 ounces.
I started trying to figure this all out when I kegged my last brew and noticed a rough feel to my conical. A 40 minutes soak of PBW in roughly 100 degree water and a slight scrub with a soft brush did nothing to remove the roughness.

Cheers!

505-Brewer

Well-Known Member
Your probably finding values for conversion to fluid ounces. I.e. volume not mass? Known density of your material will give you the mass? Also the precision of your balance (and the measuring spoons !!) can skew things a lot w a-cheaper scale.

Check it with water which has a proven density at a given temp. Generally 1 mg/mL. That will give you some insight but wont tell you if its your spoon or your balance still.

Let us know how it goes.

tll77

Supporting Member
HBT Supporter
Generally speaking, two tablespoons is one ounce.

Three teaspoons per tablespoon, so one tsp is approximately 5 grams.

Your first finding of two tablespoons per ounce(1.1 close enough) was correct.