Most people find the sodium line on a Nutrition Facts panel in about two seconds, read the milligram figure, and move on. That number is real, but on its own it is close to meaningless. It describes one serving of that food, and the package decides what a serving is.
Reading the panel in the right order takes maybe ten seconds longer and gives you a number you can actually use.
1. Start at the top, not the middle
The first two lines of the panel are servings per container and serving size. They set the scale for every number underneath, including sodium. A soup can that lists 480 mg of sodium may hold two servings, which makes the full can 960 mg. A frozen skillet meal might be two and a half servings in a tray most people finish alone.
So before you read anything else, answer one question: how much of this am I actually going to eat? If the answer is the whole container, multiply.
2. The milligram number is the one to track
Sodium is listed in milligrams, and that is the unit worth recording. It adds up cleanly across a day, it compares directly between two products on a shelf, and it is the same unit any daily target is expressed in.
Percentages do not add up as intuitively, and they shift depending on serving size. When you log something, log the milligrams for the portion you ate.
3. Use %DV as a quick sorting tool
The percentage in the right-hand column is Percent Daily Value. For sodium it is calculated against 2,300 mg, the Daily Value the FDA uses on labels. A food showing 20% DV contains about 460 mg of sodium per serving.
Treat %DV as a triage tool at the shelf, not as the thing you write down. It tells you whether a product is worth picking up. The milligrams tell you what it costs you.
Salt and sodium are not the same number
Table salt is sodium chloride, and only about 40% of it by weight is sodium. One teaspoon of salt contains roughly 2,300 mg of sodium, which is why that figure appears so often. If a recipe or an imported label gives you grams of salt, divide by about 2.5 to approximate the sodium.
This is also why the salt shaker gets more blame than it deserves. The seasoning you add at the table is usually a small share of the day. The bulk arrives already inside packaged and restaurant food.
Two habits that make labels easier
- Compare in pairsSodium content varies enormously between brands of the same food. Two jars of pasta sauce sitting next to each other can differ by 300 mg per half cup. Picking up both and checking is a fifteen-second habit with a real payoff.
- Check the ingredient list tooSodium hides under names that do not read as salt: sodium bicarbonate, monosodium glutamate, sodium nitrite, sodium benzoate, disodium phosphate. Their position in the list hints at how much is in there.
Where scanning helps
Doing this by hand for every item is tedious, and tedium is what ends most tracking habits. Sodi reads the panel with the camera, pulls out the sodium figure, and lets you confirm the serving before it goes into your day. The judgment stays yours; the transcription does not.
The goal is not to memorize numbers. It is to notice, at the shelf, that two options are not equivalent.
This article is general information about nutrition labels and sodium, not medical advice. If you have been given a specific sodium target, follow the guidance of your doctor or dietitian.