How many carbs are in a Coke?

A 12 oz can of Coca-Cola has 39g of carbs — all sugar. Comparison across sizes, Coke products, and other sodas.

Written by

Carb Lens Editorial

Nutrition writers & product team

Medically reviewed by

Dr. Alicia Nguyen, RD, CDCES

Registered Dietitian · Certified Diabetes Care & Education Specialist · 12+ years clinical experience

Published June 2, 2026 3 min readEditorial policy

A standard 12 oz can of Coca-Cola Classic has 39g of carbs, all of which are sugar — about 10 teaspoons. Diet Coke and Coke Zero Sugar both have 0g.

Coca-Cola by size

Size	Carbs	Sugar
Mini can (7.5 oz)	25g	25g
Can (12 oz)	39g	39g
Bottle (16.9 oz / 500ml)	55g	55g
Bottle (20 oz)	65g	65g
Fountain medium (21 oz)	60g	60g
Fountain large (32 oz)	91g	91g
2-liter bottle	226g	226g

Coke product line

Drink	Carbs (12 oz)
Coca-Cola Classic	39g
Cherry Coke	42g
Vanilla Coke	39g
Coke Zero Sugar	0g
Diet Coke	0g
Coca-Cola Life (where available)	24g

How other sodas compare (12 oz can)

Soda	Carbs
Coca-Cola	39g
Pepsi	41g
Dr Pepper	40g
Sprite	38g
Mountain Dew	46g
Sunkist Orange	52g
A&W Root Beer	46g

Blood sugar impact

A 12 oz Coke typically raises glucose 50-80 mg/dL within 30 minutes because liquid sugar hits the bloodstream almost instantly. It's why glucose tabs (15g of fast carbs) are recommended for hypoglycemia rather than candy.

About the author

Carb Lens Editorial — Nutrition writers & product team. The Carb Lens editorial team writes practical, source-checked guides on carbs, blood sugar, and everyday nutrition. Every article is drafted by our writers and cross-referenced against USDA FoodData Central and peer-reviewed clinical guidelines.

How we source and review this article

Nutrition figures come from the USDA FoodData Central database. Blood-sugar and glycemic-load framing follows guidance from the American Diabetes Association and World Health Organization healthy-diet recommendations. Every article is medically reviewed by Dr. Alicia Nguyen, RD, CDCES before publishing and re-checked on a rolling basis. See our full editorial & medical review policy.

This article is for general information and is not a substitute for medical advice. If you're managing diabetes or another condition, always defer to your care team.