Dill pickles are one of the lowest-carb snacks you can eat, with roughly 1.5 grams of net carbs per 100-gram serving (about two-thirds of a cup of slices). But that number changes dramatically depending on the type of pickle. Sweet varieties can pack 20 grams or more in the same serving, putting them in a completely different category for anyone watching their carb intake.
Carbs by Pickle Type
The differences between pickle varieties come down almost entirely to added sugar. Here’s how they compare per 100-gram (two-thirds cup) serving:
- Sour pickles: 1 gram of net carbs
- Dill pickles: 1.5 grams of net carbs
- Bread and butter pickles: 20 grams of net carbs
- Sweet pickles: 20 grams of net carbs
- Candied pickles: 39 grams of net carbs
A single one-ounce serving of dill pickle (about one spear) contains around 2.5 grams of total carbohydrate and 0.5 grams of fiber, leaving just 2 grams of net carbs. That’s the standard FDA-labeled serving size for pickles: 30 grams, or roughly one ounce. Most people eat more than one spear at a time, but even several spears add up to very little.
Why Sweet Pickles Have So Many More Carbs
Cucumbers themselves are naturally low in carbohydrates. The gap between dill and sweet pickles exists because sweet varieties are brined in a sugar solution. Bread and butter pickles combine vinegar, sugar, and spices. Sweet gherkins follow a similar recipe, with some commercial brands using real cane sugar while others have historically used high fructose corn syrup. Either way, the sugar soaks into the cucumber during the pickling process, turning a nearly zero-carb vegetable into something closer to a piece of candy in the case of candied varieties.
If you’re buying pickles at the store, the label will tell you exactly what you’re getting. Look at total sugars on the nutrition facts panel. Dill pickles typically list zero or close to zero grams of sugar. Bread and butter pickles will show several grams per serving. The ingredient list is also telling: if sugar appears in the first few ingredients, that jar will have meaningfully more carbs than a plain dill or sour pickle.
Fermented vs. Vinegar-Brined Pickles
There are two fundamentally different ways to make a pickle. Most commercial pickles sit in a vinegar brine, which preserves them but doesn’t change their nutritional profile much beyond what the brine recipe adds. Traditionally fermented pickles work differently. Bacteria called Lactobacillus naturally convert the sugars in the cucumber into lactic acid during fermentation, which actually reduces the residual sugar content. The fermentation process also breaks down complex carbohydrates into simpler, more digestible forms.
Fermented pickles generally require less added salt and sugar than vinegar-pickled versions, making them slightly lower in carbs on average. You can find them in the refrigerated section of grocery stores (shelf-stable pickles in the condiment aisle are almost always vinegar-brined). The carb difference between the two styles is small when you’re comparing unsweetened varieties, but fermented pickles do have a slight edge.
Pickles on a Keto or Low-Carb Diet
Dill and sour pickles are essentially free foods on a ketogenic diet. With most keto plans allowing 20 to 50 grams of carbs per day, you could eat several cups of dill pickle slices and barely make a dent in your daily allotment. They’re a popular keto snack for exactly this reason: they’re crunchy, salty, and satisfying with almost no caloric cost.
Sweet and bread and butter pickles are a different story. At 20 grams of net carbs per 100-gram serving, a modest portion could use up nearly your entire daily carb budget on a strict keto plan. If you prefer sweeter pickles, keeping your portion to one or two small slices is a reasonable way to get the flavor without derailing your numbers. Candied pickles, at 39 grams per serving, are essentially incompatible with a low-carb approach.
Watch the Sodium, Not Just the Carbs
While dill pickles score well on carbs, they’re worth watching for sodium. A single 30-gram serving of a standard dill pickle provides roughly 10% of the recommended daily sodium intake of 2,400 milligrams. Eat a few spears and you’re looking at 20 to 30% of your daily limit from pickles alone. This matters most if you’re managing blood pressure or following a sodium-restricted diet. Reduced-sodium versions exist and can cut that number significantly while keeping the carb count the same.