Diet Pepsi Caffeine Compared to Everything

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Diet Pepsi has about 35mg 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 Pepsi compares

Every Diet Pepsi comparison

• Diet Pepsi vs Starbucks Pike Place (grande) (310mg per 16 oz grande)
• Diet Pepsi vs Bang (300mg per 16 oz can)
• Diet Pepsi vs Reign Total Body Fuel (300mg per 16 oz can)
• Diet Pepsi vs Dunkin iced coffee (medium) (297mg per 24 oz medium)
• Diet Pepsi vs Celsius Essentials (270mg per 16 oz can)
• Diet Pepsi vs Baskin Robbins Cappuccino Blast (medium) (234mg per 24 oz medium)
• Diet Pepsi vs 5-hour Energy Extra Strength (230mg per 1.93 oz shot)
• Diet Pepsi vs Dunkin hot coffee (medium) (210mg per 14 oz medium)
• Diet Pepsi vs Starbucks cold brew (grande) (205mg per 16 oz grande)
• Diet Pepsi vs Celsius (200mg per 12 oz can)
• Diet Pepsi vs Prime Energy (200mg per 12 oz can)
• Diet Pepsi vs Alani Nu (200mg per 12 oz can)
• Diet Pepsi vs 5-hour Energy (regular) (200mg per 1.93 oz shot)
• Diet Pepsi vs Super Coffee (200mg per 12 oz bottle)
• Diet Pepsi vs C4 Performance Energy (200mg per 16 oz can)
• Diet Pepsi vs Ghost Energy (200mg per 16 oz can)
• Diet Pepsi vs Reign Storm (200mg per 12 oz can)
• Diet Pepsi vs Java Monster (200mg per 15 oz can)
• Diet Pepsi vs RISE Nitro Cold Brew (Original Black) (180mg per 7 oz can)
• Diet Pepsi vs SToK Extra Bold cold brew (170mg per 12 oz serving)
• Diet Pepsi vs Monster (160mg per 16 oz can)
• Diet Pepsi vs Rockstar Original (160mg per 16 oz can)
• Diet Pepsi vs ZOA (160mg per 12 oz can)
• Diet Pepsi vs NOS Energy (160mg per 16 oz can)
• Diet Pepsi vs Full Throttle (160mg per 16 oz can)
• Diet Pepsi vs Starbucks canned Nitro (Black) (155mg per 9.6 oz can)
• Diet Pepsi vs La Colombe Draft Latte (155mg per 9 oz can)
• Diet Pepsi vs Dunkin Sparkd Energy (medium) (144mg per 24 oz medium)
• Diet Pepsi vs UPTIME Energy (142mg per 12 oz can)
• Diet Pepsi vs GURU Original (140mg per 12 oz can)
• Diet Pepsi vs High Brew Double Espresso (140mg per 8 oz can)
• Diet Pepsi vs Starbucks Doubleshot Espresso & Cream (120mg per 6.5 oz can)
• Diet Pepsi vs Starbucks bottled Frappuccino (Mocha) (105mg per 13.7 oz bottle)
• Diet Pepsi vs Dunkin Refresher (medium) (99mg per 24 oz medium)
• Diet Pepsi vs brewed coffee (95mg per 8 oz cup)
• Diet Pepsi vs Mtn Dew Kickstart (Orange Citrus) (92mg per 16 oz can)
• Diet Pepsi vs International Delight iced coffee (88mg per 12 oz serving)
• Diet Pepsi vs Red Bull (80mg per 8.4 oz can)
• Diet Pepsi vs Mountain Dew Zero Sugar (68mg per 12 oz can)
• Diet Pepsi vs Sun Drop (64mg per 12 oz can)
• Diet Pepsi vs espresso (63mg per 1 oz shot)
• Diet Pepsi vs Mountain Dew Baja Blast (59mg per 12 oz can)
• Diet Pepsi vs Mountain Dew (54mg per 12 oz can)
• Diet Pepsi vs Pure Leaf black iced tea (54mg per 18.5 oz bottle)
• Diet Pepsi vs Mello Yello (51mg per 12 oz can)
• Diet Pepsi vs OLIPOP Vintage Cola (50mg per 12 oz can)
• Diet Pepsi vs Gold Peak Sweet Tea (48mg per 18.5 oz bottle)
• Diet Pepsi vs brewed black tea (47mg per 8 oz cup)
• Diet Pepsi vs English breakfast tea (47mg per 8 oz cup)
• Diet Pepsi vs Diet Coke (46mg per 12 oz can)
• Diet Pepsi vs Dr Pepper (41mg per 12 oz can)
• Diet Pepsi vs Starbucks London Fog (40mg per 16 oz grande (40mg at every size))
• Diet Pepsi vs Poppi Classic Cola (40mg per 12 oz can)
• Diet Pepsi vs Pepsi (38mg per 12 oz can)
• Diet Pepsi vs Snapple iced tea (37mg per 16 oz bottle)
• Diet Pepsi vs Coca-Cola Classic (34mg per 12 oz can)
• Diet Pepsi vs Big Red (34mg per 12 oz can)
• Diet Pepsi vs Cherry Coke (34mg per 12 oz can)
• Diet Pepsi vs Vanilla Coke (34mg per 12 oz can)
• Diet Pepsi vs Twisted Tea (30mg per 12 oz bottle)
• Diet Pepsi vs Peace Tea (23mg per 23 oz can)
• Diet Pepsi vs Barq's root beer (22mg per 12 oz can)
• Diet Pepsi vs Lipton Iced Tea (Lemon) (21mg per 16.9 oz bottle)
• Diet Pepsi vs Sunkist Orange (19mg per 12 oz can)
• Diet Pepsi vs Sunkist Zero Sugar (19mg per 12 oz can)
• Diet Pepsi vs Brisk Iced Tea (Lemon) (11mg per 12 oz can)
• Diet Pepsi vs Arizona Green Tea (7.5mg per 8 oz serving (23 oz can holds ~21.5mg))
• Diet Pepsi vs A&W Root Beer (0mg per 12 oz can)
• Diet Pepsi vs Fanta Orange (0mg per 12 oz can)
• Diet Pepsi vs Squirt (original) (0mg per 12 oz can)
• Diet Pepsi vs Sprite (0mg per 12 oz can)
• Diet Pepsi vs Mug Root Beer (0mg per 12 oz can)
• Diet Pepsi vs Crush Orange (0mg per 12 oz can)
• Diet Pepsi vs Diet Barq's root beer (0mg per 12 oz can)
• Diet Pepsi vs Culture Pop (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 Pepsi against any of 248 drinks, and the full caffeine chart shows everything at once.

FAQ

How much caffeine is in Diet Pepsi? About 35mg per 12 oz can, the standard published figure.

What has more caffeine than Diet Pepsi? Among the drinks compared here, Starbucks Pike Place (grande) is at the strong end with 310mg per 16 oz grande.

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