How much taco meat and how many tortillas
A taco bar runs about a third of a pound of cooked meat per adult, which covers two to three tacos each. Tortillas are sized a little above the taco count, around two and three-quarters per adult, because they tear, double up, and get grabbed for seconds. Buying tortillas by the pack and meat by the pound, the tool converts your headcount into amounts that match how the store sells each so you are not left guessing.
Building the toppings bar
The meat is the cheap part of the planning; the toppings are what make a taco bar feel generous. Cheese, beans, salsa, lettuce, onion, cilantro, sour cream, and lime are the core set, and beans pull double duty as a filling vegetarian base, which is why the vegetarian share is worth setting rather than assuming everyone eats meat. A bar that lets guests build their own also handles dietary needs without separate cooking.
Walking tacos versus a traditional bar
Walking tacos build the whole taco inside a single-serve corn chip bag, one per guest, with no plates to manage. They are the easy choice for graduations, game days, and anywhere seating is short, and the tool swaps tortillas for chip bags bought by the case when you switch the mode on. A traditional bar plates more food per guest and feels more like a meal, so the right pick depends on whether the taco bar is the dinner or one station among several.