One cup (8 fl oz) of tomato juice has about 41 calories; sodium shifts with added salt, not the calorie count.
Calories
Sodium
Potassium
No Salt Added
- About 41 kcal per cup
- ~24 mg sodium
- Same natural sugars
Lowest sodium
Regular (Salted)
- About 41 kcal per cup
- ~615 mg sodium
- Convenient shelf pick
Standard can
Homemade (Blended)
- Control the salt
- Pulp for extra body
- Add herbs or lemon
Custom flavor
Tomato Juice Calories Per Serving
Tomato juice is light on energy yet packed with nutrients. A standard cup lands around 41 calories. That number barely moves across brands or styles because the energy comes from the tomatoes themselves. What changes is the salt level on the label, not the energy in the glass.
Serving size shifts the count. A brunch goblet might hold 12 ounces; a mini juice can might pour 5.5–6 ounces. Use the table below to scan common pours at a glance. Rounding keeps the numbers kitchen-friendly.
Calories By Size And Style
| Serving | Calories (No-Salt) | Calories (Salted) |
|---|---|---|
| 4 fl oz (½ cup) | ~20 kcal | ~20 kcal |
| 6 fl oz (small can) | ~31 kcal | ~31 kcal |
| 8 fl oz (1 cup) | ~41 kcal | ~41 kcal |
| 11.5 fl oz (tall can) | ~59 kcal | ~59 kcal |
| 12 fl oz (pint glass) | ~62 kcal | ~62 kcal |
| 16 fl oz (2 cups) | ~82 kcal | ~82 kcal |
Calories hang tight because tomatoes bring modest carbohydrates, a touch of protein, and almost no fat. Once you’ve set your daily calorie needs, that 8-ounce pour can slot into breakfast or a snack without blowing the plan.
What Drives The Numbers
Tomatoes are mostly water with a small load of natural sugars and organic acids. That’s why the energy per cup looks steady. Nutrition databases built on lab analyses show 8 ounces at ~41 kcal along with a short list of macros: about 8.6 g carbohydrate, ~2.1 g protein, and ~0.7 g fat per cup, give or take brand differences from straining or pulp.
Sodium is the swing factor. A no-salt version sits near 24 mg per cup, while classic canned juice can reach the mid-hundreds per cup. The federal Daily Value for sodium caps the general target at 2,300 mg per day. If you’re tracking blood pressure or cooking for someone who is, the low-sodium route makes planning easier.
Tomato Juice Nutrition Highlights
Beyond calories, tomato juice brings potassium, vitamin C, folate, and carotenoids such as lycopene. Potassium lands around ~527 mg per cup. That helps counterbalance sodium in many eating patterns. Vitamin C runs high in lab entries for plain juice. Lycopene supplies the deep red color and has been widely studied in tomatoes and their products.
Texture choices also change the experience. Strained versions taste smooth and light. Pulp-forward blends feel thicker and may carry a pinch more fiber. Seasoned mixes add celery salt, pepper, or clam broth; those options raise sodium and can alter calories if extras like sugar sneak in.
Picking A Carton Or Can
Label Checks That Matter
Serving size: Brands don’t agree. Some list 6 ounces; others list 8. Match your pour to the label line so the math lines up.
Sodium line: You’ll see numbers jump from ~20–30 mg per cup (no-salt added) to ~600 mg per cup (salted). Seasoned blends can run higher.
Ingredient list: “Tomato juice” or “water, tomato concentrate” forms the base. Add-ins like lemon juice, salt, and spices change flavor; sweeteners are uncommon but not unheard of.
When You Want Low Sodium
Look for “no salt added” or “low sodium” on the front. The taste is brighter and a little sweeter because salt isn’t muting the acids. If you want more snap, a squeeze of lemon and a pinch of dried herbs wake it up without pushing the sodium line.
When Convenience Wins
Shelf-stable cans and bottles are easy. Chill, shake, pour. If you choose regular salted juice, balance the rest of the meal with low-sodium picks like fresh fruit, yogurt, or unsalted nuts. That keeps the full day closer to your aim.
Make It At Home
Simple Blender Method
- Core 3–4 ripe tomatoes (about 1 pound). Quarter them.
- Add to a blender with ¼ cup cold water, a few ice cubes, and a pinch of salt or none at all.
- Blend 30–45 seconds. Strain through a fine sieve for a smooth sip, or keep the pulp for body.
- Season with lemon, black pepper, and a touch of smoked paprika. Chill and serve.
This batch pours about two cups. Energy stays close to commercial juice since tomatoes set the baseline. The big difference is control over sodium and texture.
How Tomato Juice Compares To Other Sips
Orange juice usually carries more energy per cup and more sugar. Vegetable cocktails can match tomato juice on energy but may tack on extra salt. Smoothies vary wildly based on fruit and dairy. If a light, savory glass fits the moment, tomato juice checks the box with steady calories and useful minerals.
Calorie Math You Can Trust
Lab-based databases tie back to standardized entries. The repeated finding: roughly 41 kcal per 8 fl oz for plain juice, salted or not. Minor differences show up with pulp, brand filtration, and water content from concentrate. Those tweaks explain tiny swings in the carb and protein lines.
Sodium And Potassium Per Cup
| Style | Sodium (mg) | Potassium (mg) |
|---|---|---|
| No-Salt Added | ~24 | ~527 |
| Salted (Canned) | ~615 | ~527 |
| Homemade (no added salt) | ~20–40* | ~500–550* |
*Ranges reflect tomato variety, ripeness, and water added during blending.
Ways To Use Tomato Juice Without Overshooting Calories
Fast Breakfast Pairings
- Eggs and toast: Pair one cup of juice with two eggs and whole-grain toast. The plate brings protein; the glass adds potassium and vitamin C.
- Yogurt bowl: Greek yogurt with berries and a cup of juice on the side keeps energy steady while bringing different textures.
- Oatmeal combo: Savory oats with herbs plus a chilled glass offers a fresh spin on a morning routine.
Midday Refresher
Blend juice with a handful of ice, lemon, and a dash of hot sauce for a spicy spritzer. Zero change to the energy line; big lift in flavor.
Answers To Common Calorie Questions
Does Pulp Change The Energy?
Not much. Pulp shifts mouthfeel and can nudge fiber up a touch. Calories stay in the same neighborhood since the carbohydrate base doesn’t move far.
Do Mix-Ins Raise The Count?
Plain spices and citrus don’t move the needle. Cream, sugar, or sweet mixers will. Stick to lemon, herbs, and ice for a low-energy pour.
What About Blood Pressure?
No-salt juice keeps sodium low while still delivering potassium. That pairing fits many plans that aim to keep the daily sodium total under the label target. For general guidance on potassium needs by age and sex, see the NIH potassium fact sheet.
Smart Shopping Tips
Match The Pour To The Label
Scan the serving size first. If your glass is bigger than the label’s serving, multiply the energy and sodium lines to fit your pour.
Compare Sodium Lines Side-By-Side
Pick up a no-salt can and a salted can. Read the per-cup sodium line on each. The energy stays at ~41 kcal; the sodium may shift by hundreds of milligrams.
Check For Extras
“Seasoned” or “cocktail” can signal added spices or other juices. Those blends taste bold but often bring more salt and sometimes a different carb profile.
Homemade Flavor Variations
Bright And Zesty
- Lemon juice and cracked pepper
- Fresh basil or dill
- Pinch of celery seed
Smoky And Savory
- Smoked paprika and a dash of Worcestershire
- Chipotle powder
- Splash of pickle brine for tang (watch the salt)
Garden-Style
- Blend in cucumber or roasted red pepper
- Use ripe heirlooms for sweeter notes
- Strain lightly to keep some body
Key Takeaways For Calorie Tracking
- Energy is steady: ~41 kcal per 8 fl oz across most versions.
- Sodium is the variable: ~24 mg per cup for no-salt; ~615 mg per cup for salted.
- Micronutrients add value: potassium around ~527 mg per cup, plus notable vitamin C and lycopene.
- Serving size rules the math: scale the label to your glass.
- Home blending gives control: adjust salt, pulp, and seasoning to fit the day.
Want a structured primer on intake targets and planning? Try our calorie deficit guide for step-by-step math and menu ideas.