Originally Posted by
TSORon
Go to Walgreens. Toothpaste in significantly smaller sizes is available there, or Walmart, or most airport vendors, or… 100ml IS 3.4 ounces. I’m willing to bet that 100 grams is quite a bit smaller than that. I never was good at metric conversions.
You obviously know the rules, otherwise you would not have posted here. As such, if you continue to bring your 7 ounce tooth paste to the airport, you know the chance you are taking and have no reasonable right to complain.
Sophistry I said, and sophistry it is.
Ron, the only time that you have a 1 to 1 correlation between mass (how heavy an object is) and volume is with the metric system (1cc of water equals 1 gram). MASS does not normally equal VOLUME due to differences in density.
The density of toothpaste is considerably higher than that of water. So it is conceivable that 7oz (remember MASS not VOLUME) might have less VOLUME than 3.4 oz (VOLUME not MASS) of water.
Density is derived from MASS/VOLUME link.
Bad science on the part of TSA is bad science.