Is Dark Roast Stronger Than Light Roast?

Short answer: Not really… but it depends what you mean by "strong."

Caffeine Content:
Light roast actually has more caffeine by weight.

• Beans lose density as they roast longer.

• A scoop of light roast = more coffee packed in = more caffeine.

• Caffeine also breaks down a little during heavy roasting.

Flavor Intensity:
Dark roast tastes stronger — not because of caffeine, but because:

• It has more bitter compounds and smoky flavors.

• The roasting oils coat your palate and make it feel bolder.

• Light roast preserves original bean flavors (floral, fruity, complex).

Roast Breakdown:

• Light Roast: High acidity, complex flavors, more caffeine.

• Medium Roast: Balanced body and flavor.

• Dark Roast: Bold, smoky, oily, slightly less caffeine.

Best Brewing Methods:

• Light roast → pour-over, drip, Chemex.

• Medium roast → French press, AeroPress.

• Dark roast → espresso, Moka pot.

Bottom Line:

• Want more caffeine? Go light roast.

• Want bold, smoky flavor? Go dark roast.

• Want balance? Medium roast is your friend.

Brewing method, grind size, and coffee-to-water ratio all matter too.