This calculator that I created below doesn’t precisely calculate the volume capacity of a quart-sized toiletry bag, but it’s close enough. What about all the other sizes of ziplock bags? Are they 1 quart or under?ĭon’t worry has you covered! Flat Quart Size Bag Dimensions Calculator And you don’t always happen to have a 6 x 9 plastic bag handy when you are packing your liquids for in your carry-on bag. There are lots of clear 1-quart bags that have other dimensions. So great, they have a cut and past answer, but it’s a bit lame. Pls remove the toiletry bag from your carry-on & place it in a separate bin for X-ray screening at security. As long as the toiletry bag is the approximate dimensions of a quart-sized bag (6″ x 9″), you’ll be good to go through the checkpoint. We don’t approve or endore any particular products. So the official TSA answer goes like this: What size of baggie for liquids & gels?Īnd they almost always copy and paste the same answer:.What are the dimensions of a quart-sized bag?.The service on Twitter gets asked endless variations on this question! The whole TSA quart bag rules are a bit of a mess really. Thankfully we don’t really need to be accurate! Not even slightly accurate. You see, if you take a flat 2-dimensional Ziplock bag and put things inside it, it starts to take on a really complicated geometric shape that makes it incredibly difficult to accurately calculate the volume of the bag. We only want to bring liquids on planes not play at being Good Will Hunting! That is until you realize the geniuses at the TSA have unwittingly asked the general public to solve a so far unsolved math problem when determining the sizes of Ziplock bag they can use. A first glance it seems perfectly reasonable for the TSA to ask people to pack carry-on toiletry liquids in a quart size bag when flying.

Us carry on liquid size