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How Much Does a banana Weigh?
A banana weighs about 118 g (medium — 4.2 oz)
Based on Bananas, raw — USDA FoodData Central (FDC #173944).
| Size | Grams | Ounces |
|---|---|---|
| Extra small | 81 g | 2.9 oz |
| Small | 101 g | 3.6 oz |
| Medium | 118 g | 4.2 oz |
| Large | 136 g | 4.8 oz |
| Extra large | 152 g | 5.4 oz |
How many bananas in a pound (and a kilo)?
| Amount | Number of bananas |
|---|---|
| In 1 pound (454 g) | ≈ 4 bananas |
| In 1 kilogram | ≈ 8 bananas |
| In 1 cup (mashed) | 225 g |
Counts are approximate — produce is sold by weight, not by size, so a pound can hold a few more small bananas or fewer large ones.
About banana weight
A banana's weight rides almost entirely on its length. The USDA logs a medium 7-inch banana at 118 g, but an extra-large one past 9 inches reaches 152 g — a third heavier for the same fruit. Because store bunches mix sizes freely, weigh yours when a recipe leans on precision. (Source: USDA FoodData Central.)
Need cups and grams instead of whole bananas? See the volume ↔ weight converter for mashed banana and other prep.
Banana weight — FAQs
How much does a banana weigh?
A banana (medium) weighs about 118 grams (4.2 oz), based on USDA FoodData Central.
How many bananas are in a pound?
About 4, since a pound is 454 grams and a medium banana weighs roughly 118 g. Smaller bananas pack more per pound.
How many grams of banana are in a cup?
One cup of mashed banana weighs about 225 grams (USDA FoodData Central). This is the prepared, mashed form — whole bananas vary by size.