Diet Coke Caffeine Compared to Everything

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Diet Coke has about 46mg of caffeine per 12 oz can. This page lines it up against every drink we have compared it to, sorted strongest first, so you can see exactly where it lands. Every number is the standard published value, sourced on each comparison page.

How Diet Coke compares

Every Diet Coke comparison

• Diet Coke vs Starbucks Blonde Roast (360mg per 16 oz grande)
• Diet Coke vs Redline Xtreme (316mg per 8 oz bottle)
• Diet Coke vs Starbucks Pike Place (grande) (310mg per 16 oz grande)
• Diet Coke vs Bang (300mg per 16 oz can)
• Diet Coke vs Reign Total Body Fuel (300mg per 16 oz can)
• Diet Coke vs G Fuel Energy (can) (300mg per 16 oz can)
• Diet Coke vs Adrenaline Shoc (300mg per 16 oz can)
• Diet Coke vs Rockstar XDurance (300mg per 16 oz can)
• Diet Coke vs Death Wish Coffee (brewed) (300mg per 8 oz brewed)
• Diet Coke vs Raze Energy (300mg per 16 oz can)
• Diet Coke vs Dunkin iced coffee (medium) (297mg per 24 oz medium)
• Diet Coke vs Starbucks Nitro Cold Brew (280mg per 16 oz grande)
• Diet Coke vs Stumptown Cold Brew (stubbie) (279mg per 10.5 oz bottle)
• Diet Coke vs Celsius Essentials (270mg per 16 oz can)
• Diet Coke vs Dunkin' Extra Charged (medium) (252mg per 14 oz medium)
• Diet Coke vs Rockstar Punched (240mg per 16 oz can)
• Diet Coke vs Baskin Robbins Cappuccino Blast (medium) (234mg per 24 oz medium)
• Diet Coke vs 5-hour Energy Extra Strength (230mg per 1.93 oz shot)
• Diet Coke vs Chameleon Cold Brew (RTD) (230mg per 10 oz bottle)
• Diet Coke vs Starbucks Tripleshot Energy (225mg per 15 oz can)
• Diet Coke vs Dunkin hot coffee (medium) (210mg per 14 oz medium)
• Diet Coke vs Starbucks cold brew (grande) (205mg per 16 oz grande)
• Diet Coke vs Celsius (200mg per 12 oz can)
• Diet Coke vs Prime Energy (200mg per 12 oz can)
• Diet Coke vs Alani Nu (200mg per 12 oz can)
• Diet Coke vs 5-hour Energy (regular) (200mg per 1.93 oz shot)
• Diet Coke vs Super Coffee (200mg per 12 oz bottle)
• Diet Coke vs C4 Performance Energy (200mg per 16 oz can)
• Diet Coke vs Ghost Energy (200mg per 16 oz can)
• Diet Coke vs Reign Storm (200mg per 12 oz can)
• Diet Coke vs Java Monster (200mg per 15 oz can)
• Diet Coke vs 3D Energy (200mg per 16 oz can)
• Diet Coke vs C4 Smart Energy (200mg per 16 oz can)
• Diet Coke vs Ryse Fuel (200mg per 16 oz can)
• Diet Coke vs Jolt Cola (200mg per 16 oz can)
• Diet Coke vs Dunkin' Bottled Iced Coffee (197mg per 13.7 oz bottle)
• Diet Coke vs Starbucks Flat White (195mg per 16 oz grande)
• Diet Coke vs RISE Nitro Cold Brew (Original Black) (180mg per 7 oz can)
• Diet Coke vs Mtn Dew Rise Energy (180mg per 16 oz can)
• Diet Coke vs Bloom Energy (180mg per 12 oz can)
• Diet Coke vs Xyience Xenergy (176mg per 16 oz can)
• Diet Coke vs Starbucks Caffe Mocha (175mg per 16 oz grande)
• Diet Coke vs SToK Extra Bold cold brew (170mg per 12 oz serving)
• Diet Coke vs Starbucks Iced Coffee (165mg per 16 oz grande)
• Diet Coke vs Monster (160mg per 16 oz can)
• Diet Coke vs Rockstar Original (160mg per 16 oz can)
• Diet Coke vs ZOA (160mg per 12 oz can)
• Diet Coke vs NOS Energy (160mg per 16 oz can)
• Diet Coke vs Full Throttle (160mg per 16 oz can)
• Diet Coke vs Venom Energy (160mg per 16 oz can)
• Diet Coke vs Rockstar Boom (160mg per 16 oz can)
• Diet Coke vs Starbucks canned Nitro (Black) (155mg per 9.6 oz can)
• Diet Coke vs La Colombe Draft Latte (155mg per 9 oz can)
• Diet Coke vs Starbucks Caffe Latte (150mg per 16 oz grande)
• Diet Coke vs Starbucks Caramel Macchiato (150mg per 16 oz grande)
• Diet Coke vs Starbucks Cappuccino (150mg per 16 oz grande)
• Diet Coke vs Starbucks Pumpkin Spice Latte (150mg per 16 oz grande)
• Diet Coke vs Starbucks Vanilla Latte (150mg per 16 oz grande)
• Diet Coke vs Starbucks White Chocolate Mocha (150mg per 16 oz grande)
• Diet Coke vs Peet's brewed coffee (150mg per 8 oz cup)
• Diet Coke vs Guayaki Yerba Mate (can) (150mg per 15.5 oz can)
• Diet Coke vs McDonald's brewed coffee (145mg per 16 oz medium)
• Diet Coke vs Dunkin Sparkd Energy (medium) (144mg per 24 oz medium)
• Diet Coke vs UPTIME Energy (142mg per 12 oz can)
• Diet Coke vs AMP Energy Original (142mg per 16 oz can)
• Diet Coke vs GURU Original (140mg per 12 oz can)
• Diet Coke vs High Brew Double Espresso (140mg per 8 oz can)
• Diet Coke vs Tim Hortons brewed coffee (140mg per 14 oz medium)
• Diet Coke vs Starbucks Doubleshot Espresso & Cream (120mg per 6.5 oz can)
• Diet Coke vs Zevia Energy (120mg per 12 oz can)
• Diet Coke vs Starbucks bottled Frappuccino (Mocha) (105mg per 13.7 oz bottle)
• Diet Coke vs Bawls Guarana (102mg per 16 oz bottle)
• Diet Coke vs Dunkin Refresher (medium) (99mg per 24 oz medium)
• Diet Coke vs brewed coffee (95mg per 8 oz cup)
• Diet Coke vs Mtn Dew Kickstart (Orange Citrus) (92mg per 16 oz can)
• Diet Coke vs Starbucks Caramel Frappuccino (90mg per 16 oz grande)
• Diet Coke vs International Delight iced coffee (88mg per 12 oz serving)
• Diet Coke vs Red Bull (80mg per 8.4 oz can)
• Diet Coke vs V8 +Energy (80mg per 8 oz can)
• Diet Coke vs Aspire Energy (80mg per 12 oz can)
• Diet Coke vs Water Joe (caffeinated water) (70mg per 16.9 oz bottle)
• Diet Coke vs Pepsi Zero Sugar (69mg per 12 oz can)
• Diet Coke vs Ski citrus soda (69mg per 12 oz can)
• Diet Coke vs Surge (69mg per 16 oz can)
• Diet Coke vs Mountain Dew Zero Sugar (68mg per 12 oz can)
• Diet Coke vs Sun Drop (64mg per 12 oz can)
• Diet Coke vs espresso (63mg per 1 oz shot)
• Diet Coke vs Mountain Dew Baja Blast (59mg per 12 oz can)
• Diet Coke vs Bai Antioxidant Infusion (55mg per 18 oz bottle)
• Diet Coke vs Mountain Dew (54mg per 12 oz can)
• Diet Coke vs Pure Leaf black iced tea (54mg per 18.5 oz bottle)
• Diet Coke vs Diet Mountain Dew (54mg per 12 oz can)
• Diet Coke vs Mountain Dew Code Red (54mg per 12 oz can)
• Diet Coke vs Mello Yello (51mg per 12 oz can)
• Diet Coke vs OLIPOP Vintage Cola (50mg per 12 oz can)
• Diet Coke vs Gold Peak Sweet Tea (48mg per 18.5 oz bottle)
• Diet Coke vs brewed black tea (47mg per 8 oz cup)
• Diet Coke vs English breakfast tea (47mg per 8 oz cup)
• Diet Coke vs Cheerwine (47mg per 12 oz can)
• Diet Coke vs Starbucks Refreshers (45mg per 16 oz grande)
• Diet Coke vs Zevia Cola (45mg per 12 oz can)
• Diet Coke vs RC Cola (43mg per 12 oz bottle)
• Diet Coke vs Faygo Cola (43mg per 12 oz can)
• Diet Coke vs Wave Soda (42mg per 12 oz can)
• Diet Coke vs Dr Pepper (41mg per 12 oz can)
• Diet Coke vs Diet Dr Pepper (41mg per 12 oz can)
• Diet Coke vs Starbucks London Fog (40mg per 16 oz grande (40mg at every size))
• Diet Coke vs Poppi Classic Cola (40mg per 12 oz can)
• Diet Coke vs Pibb Xtra (40mg per 12 oz can)
• Diet Coke vs Kickapoo Joy Juice (40mg per 12 oz can)
• Diet Coke vs Ruby Red Squirt (39mg per 12 oz can)
• Diet Coke vs Pepsi (38mg per 12 oz can)
• Diet Coke vs Pepsi Wild Cherry (38mg per 12 oz can)
• Diet Coke vs Snapple iced tea (37mg per 16 oz bottle)
• Diet Coke vs Ale-8-One (37mg per 12 oz bottle)
• Diet Coke vs Diet Pepsi (35mg per 12 oz can)
• Diet Coke vs Coca-Cola Classic (34mg per 12 oz can)
• Diet Coke vs Big Red (34mg per 12 oz can)
• Diet Coke vs Cherry Coke (34mg per 12 oz can)
• Diet Coke vs Vanilla Coke (34mg per 12 oz can)
• Diet Coke vs Coca-Cola Zero Sugar (34mg per 12 oz can)
• Diet Coke vs Twisted Tea (30mg per 12 oz bottle)
• Diet Coke vs Moxie (24mg per 12 oz can)
• Diet Coke vs Peace Tea (23mg per 23 oz can)
• Diet Coke vs Barq's root beer (22mg per 12 oz can)
• Diet Coke vs Lipton Iced Tea (Lemon) (21mg per 16.9 oz bottle)
• Diet Coke vs Faygo Moon Mist (19.7mg per 12 oz can)
• Diet Coke vs Sunkist Orange (19mg per 12 oz can)
• Diet Coke vs Sunkist Zero Sugar (19mg per 12 oz can)
• Diet Coke vs Brisk Iced Tea (Lemon) (11mg per 12 oz can)
• Diet Coke vs Arizona Green Tea (7.5mg per 8 oz serving (23 oz can holds ~21.5mg))
• Diet Coke vs A&W Root Beer (0mg per 12 oz can)
• Diet Coke vs Fanta Orange (0mg per 12 oz can)
• Diet Coke vs Squirt (original) (0mg per 12 oz can)
• Diet Coke vs Sprite (0mg per 12 oz can)
• Diet Coke vs Mug Root Beer (0mg per 12 oz can)
• Diet Coke vs Crush Orange (0mg per 12 oz can)
• Diet Coke vs Diet Barq's root beer (0mg per 12 oz can)
• Diet Coke vs Culture Pop (0mg per 12 oz can)
• Diet Coke vs 7UP (0mg per 12 oz can)
• Diet Coke vs Starry (lemon lime) (0mg per 12 oz can)
• Diet Coke vs Fresca (0mg per 12 oz can)
• Diet Coke vs Canada Dry Ginger Ale (0mg per 12 oz can)
• Diet Coke vs Caffeine Free Coca-Cola (0mg per 12 oz can)

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Compare it yourself

Want a matchup that is not listed? The caffeine comparison tool puts Diet Coke against any of 248 drinks, and the full caffeine chart shows everything at once.

FAQ

How much caffeine is in Diet Coke? About 46mg per 12 oz can, the standard published figure.

What has more caffeine than Diet Coke? Among the drinks compared here, Starbucks Blonde Roast is at the strong end with 360mg per 16 oz grande.

What has less caffeine than Diet Coke? On the lighter end, A&W Root Beer has 0mg per 12 oz can.