How Many Calories Are In Red Bull? | Quick Facts Guide

How Many Calories Are In Red Bull? Sizes, Sugars, And Caffeine

The classic 8.4 fl oz (250 ml) can lands near 110–115 calories. That comes from about 27 g of sugar per can, which matches the brand’s 11 g of sugars per 100 ml per the label and USDA-based listings that show about 111 calories for the 8.4 fl oz size.

Here’s a quick table with calories and sugars by common can sizes and formulas. Values for the sugared versions are calculated from the brand’s per-100-ml panel; the sugar-free lines show the label result of 0 calories and 0 sugars.

Can Size / Formula	Calories	Sugars (g)
8.4 fl oz Original / Editions	110–115	27
12 fl oz Original	160–165	39
16 fl oz Original	210–220	52
20 fl oz Original	260–275	62
8.4–20 fl oz Sugarfree / Zero	0	0

Calories in Red Bull come almost entirely from sugar. There’s essentially no fat and only a trace of protein. That means the number you see on the can tracks closely with volume.

What Changes The Calorie Count?

Can Size Drives Most Of The Difference

Red Bull’s standard recipe supplies 46 kcal per 100 ml. Multiply by the milliliters in your can to estimate calories. A 12 fl oz can (355 ml) works out near 163 kcal; a 16 fl oz can (473 ml) comes out near 218 kcal.

Sugar Vs. Sugar-Free Lines

Original Red Bull and the flavored Editions use sucrose and glucose. Sugarfree and Zero swap in sucralose and acesulfame-K, which cuts calories to zero while keeping the same caffeine. If you track the daily added sugar limit, the sugar-free cans make it easier to stay on target.

Mixers And Add-Ins

Calories only jump when you blend Red Bull with juices, syrups, or creamy mixers. Ice doesn’t add calories; sweet syrups and alcohol do. Pour the drink over ice and skip sweet add-ons if you’re trying to hold the number steady.

Is Red Bull High In Sugar?

An 8.4 fl oz can has 27 g of sugar. That’s the same 11 g per 100 ml the brand lists for Original and most Editions. If you prefer a zero-sugar option, Sugarfree and Zero list 0 g of sugar across sizes.

How That Sugar Shows Up In Daily Life

Two small cans stack to 54 g of sugar. That’s above many people’s daily target. A single 12 fl oz can lands around 39 g. If you’re sensitive to swings, pair your drink with protein or sip the can slowly.

What About Caffeine?

The caffeine stays steady across formulas and scales with size: 80 mg in 8.4 fl oz, 114 mg in 12 fl oz, and 151 mg in 16 fl oz per can sizes. The U.S. FDA cites 400 mg per day as an amount not generally associated with negative effects for most healthy adults, so one or two standard cans fit under that line for many people. See the official wording on the FDA caffeine page.

Can Size	Caffeine (mg)	Share Of 400 mg
8.4 fl oz	80	20%
12 fl oz	114	29%
16 fl oz	151	38%

Calories By Flavor Line

Original And “Editions” With Sugar

The fruit Editions match Original for sugars and calories at the same size. If the can is 8.4 fl oz, you’re still near 110–115 calories. Step up in size and the numbers follow.

Sugarfree And Zero

These cans read 0 calories and 0 sugars. They use high-intensity sweeteners and keep the same caffeine per size. Taste varies a bit between Sugarfree and Zero, so pick by flavor.

Label Reading Tips

Check The Serving Size First

Some panels show “per 100 ml” in addition to “per can.” Match the math to your can size so you don’t undercount.

Scan For Sugar And Caffeine

Sugar hits your calorie total; caffeine doesn’t. If calories are your concern, sugar-free lines are the easy switch. If your main concern is jitters or sleep, watch the caffeine row and your timing.

Smart Ways To Drink Red Bull

Pick The Size That Fits The Moment

Need a quick lift? The 8.4 fl oz can helps you stay inside a smaller calorie window. Stretching focus for longer? A 12 fl oz can adds more caffeine and sugar, so plan the rest of your day around it.

Use Food Pairings To Steady Energy

Pair a can with a protein snack to reduce quick spikes from sugar. Nuts, Greek yogurt, or a simple egg wrap work well and don’t crowd your calorie budget.

Watch Late-Day Timing

Caffeine can nudge sleep. Many folks keep the last can before mid-afternoon to keep bedtime smooth.

Calorie Math Worked Out

Here’s the quick math you can do anywhere. Start with 46 kcal per 100 ml for sugared Red Bull. Multiply by your can’s milliliters. For sugars, use 11 g per 100 ml. That’s how the table above lands on 160–165 kcal and 39 g sugar for a 12 fl oz can, and about 210–220 kcal and 52 g sugar for a 16 fl oz can. The same math explains why a 20 fl oz can pushes toward the mid-260s for calories and the low 60s for sugar.

For the small can, USDA-based entries show near 111 kcal for 8.4 fl oz, which lines up with the brand’s per-100-ml panel once you account for rounding.

How It Compares To Coffee And Soda

Against Coffee

Brewed coffee brings caffeine with almost no calories when black. A small Red Bull carries sugar calories plus caffeine. If you’re picking by calories alone, coffee without cream or sugar stays lighter.

Against Cola

Regular colas land near 140 calories per 12 fl oz, with sugar around the high-30-gram mark. That’s close to a 12 fl oz Red Bull on both counts. Sugarfree cola and Sugarfree Red Bull both land at 0 calories.

Weight Goals And Portion Choices

Cutting Calories?

Reach for Sugarfree or Zero. You’ll still get the same caffeine per size with no calorie hit. If you want the original taste, stay with the 8.4 fl oz can and balance the rest of your day.

Bulking Or Endurance Days?

Some athletes prefer the sugars during long sessions. In that case, treat Red Bull as part of your carb budget. Add water between cans to protect teeth and manage thirst.

Common Label Mistakes

Reading “Per Serving” Wrong

Some countries print “per 100 ml” alongside “per can.” If your can is larger and shows two servings, totals double. Always match serving lines to the whole can before you log the calories.

Confusing Sugarfree With Low Caffeine

Sugarfree and Zero drop sugars but keep caffeine equal by size. The 8.4 fl oz Sugarfree still lists 80 mg caffeine; the 16 fl oz Sugarfree still lists 151 mg.

Quick Reference Scenarios

I Want Minimal Calories

Pick Sugarfree or Zero in the smallest size you can find. That’s 0 calories and the same lift.

I Want The Original Taste

Grab the 8.4 fl oz can. You’ll land near 110–115 calories and 27 g sugar. Space the can away from bedtime.

I Need A Longer Lift

The 12 fl oz can adds time on task with about 160–165 calories and 39 g sugar. Keep water nearby and pair with protein if you’re prone to dips.

Bottom Line

Red Bull’s calories come from sugar and scale with can size. If you want the taste and buzz with no calories, reach for Sugarfree or Zero. If you drink the original, budget the sugar into your day and space out cans so caffeine stays comfortable. Want a fuller read on sweeteners later on? You might like our short piece on are artificial sweeteners safe.