How many calories are in ketchup?

One tablespoon of ketchup has 17 calories. A single-serve packet has about 9 calories. Per 100g, ketchup contains 101 calories. Most calories come from sugar, which makes up 21.3% of ketchup.

Is ketchup high in sugar?

Yes, ketchup is surprisingly high in sugar at 21.3g per 100g. One tablespoon has about 3.6g sugar. That's similar to some candy. Look for reduced-sugar versions with half the sugar or less.

Is ketchup keto-friendly?

Regular ketchup is not keto-friendly with 27.1g net carbs per 100g and 4.6g per tablespoon. Sugar-free ketchup alternatives using stevia or erythritol have under 1g carbs per serving.

Ketchup vs mustard: which is healthier?

Mustard is healthier with only 9 cal/tbsp and almost no sugar. Ketchup has 17 cal/tbsp with 3.6g sugar. Mustard is also keto-friendly. Choose mustard when calories and sugar matter.

Is ketchup high in sodium?

Yes, ketchup has 907mg sodium per 100g. One tablespoon has about 154mg sodium. Combined with salty foods like fries, this adds up quickly. Low-sodium ketchup has about 40% less.

Ketchup has pros and cons. It contains lycopene from tomatoes (an antioxidant), but it's high in sugar (21.3g/100g) and sodium (907mg/100g). Use in moderation or choose reduced-sugar versions.

Does ketchup contain lycopene?

Yes, ketchup is a good source of lycopene, an antioxidant linked to heart health and cancer prevention. Cooked tomatoes (like in ketchup) have more bioavailable lycopene than raw tomatoes.

How long does ketchup last after opening?

Opened ketchup lasts 6-12 months refrigerated or 1 month at room temperature. The high acidity and sugar help preserve it. Discard if you see mold, separation, or off-odors.

Is organic ketchup healthier?

Organic ketchup has similar calories and sugar to regular. The difference is in farming practices, not nutrition. For health benefits, look at sugar and sodium content rather than organic labeling.

Can diabetics eat ketchup?

Diabetics should limit regular ketchup due to its high sugar (3.6g per tablespoon). Sugar-free or reduced-sugar ketchup is a better choice. Always count the carbs in your meal plan.

All Foods

Calories in Ketchup

USDA Verified · FDC 168556 · Jan 2026

17 calories

per 1 tablespoon (17g)

Protein

27.4g

Carbs

0.1g

Fat

0.3g

Fiber

Per 100g as prepared

Log Ketchup in one photo

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