how many grams in a cup of bananas?

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things people ask

• How many medium bananas make one mashed cup?
  Two medium bananas (roughly 7 inches, peeled) usually land near 225-235 g mashed, which is the cup target. Three small bananas or one very large one can hit the same mark. If your recipe says 1 cup mashed and you have an awkward count, mash everything into a bowl and weigh to 227 g — leftover banana freezes well in a zip bag for the next loaf.
• Should I pack the cup like brown sugar?
  No — spoon mashed banana into the cup and level the top. Packing forces out air pockets and can push a cup past 250 g, which throws off the liquid balance in banana bread and makes the crumb gummy. The 227 g figure assumes a soft scoop with the back of a spoon, not a press. If a recipe specifies packed banana, weigh it to be safe.
• Do overripe black-spotted bananas weigh more per cup?
  Slightly. As bananas ripen, starches convert to sugars and the flesh softens, so it collapses more readily into a cup — you might see 230-240 g instead of 227 g. The flavor and sweetness also intensify, which is why banana bread recipes call for spotted fruit. The weight difference is small enough that a standard 227 g target still works for most baking.

related conversions

• Bananas: tablespoons to grams
• Bananas: teaspoons to grams
• Bananas guide