Blueberry converter: whole blueberries, cups, grams

A recipe says '1 cup blueberries' but you bought them by the punnet. A medium blueberry is only about 1.5 g, so the count climbs fast as berry size changes. This converter moves between whole blueberries, cups, grams, and ounces.

A large blueberry weighs more than three times a small one, so a cup of blueberries can be well over a hundred small berries or far fewer large ones. Pick the right size below to keep muffins, pancakes, and compote on target.

How much does a blueberry weigh?

A medium, or average, blueberry weighs about 1.5 g, with a small one around 0.8 g and a large one around 2.5 g.

Related Blueberry Ingredients

Baking with strawberries instead? The strawberry converter works out whole-berry counts and sliced cups across small, medium, and large sizes. See our Strawberry converter.

Need grapes by the cup? The grapes converter handles whole-grape counts and cups across small, medium, and large sizes. See our Grapes converter.

Blueberry converter tool

Enter an amount, pick your units, and set the size for counting whole blueberries.

Size applies to whole blueberries (small / medium / large).

Result

0.01 cups

Blueberry Calculators & Kitchen Tools

Working with blueberry? These tools handle the jobs a converter cannot.

Common Blueberry conversions

Quick reference for blueberry at medium size. Switch the size in the converter above for small or large.

blueberriesCups (chopped)
1 blueberry0.01 cups
2 blueberries0.02 cups
3 blueberries0.03 cups
4 blueberries0.04 cups
5 blueberries0.05 cups
6 blueberries0.06 cups

Blueberry conversion chart

The chart below shows how whole blueberries (medium size) convert to cups, grams and ounces.

blueberriescupscups (US)gozlbkg
1 blueberry0.01 cups0.01 cups (US)1.5 g0.05 oz0 lb0 kg
2 blueberries0.02 cups0.02 cups (US)3 g0.11 oz0.01 lb0 kg
3 blueberries0.03 cups0.03 cups (US)4.5 g0.16 oz0.01 lb0 kg
4 blueberries0.04 cups0.04 cups (US)6 g0.21 oz0.01 lb0.01 kg
5 blueberries0.05 cups0.05 cups (US)7.5 g0.26 oz0.02 lb0.01 kg

Blueberry varieties and best uses

The conversions above are the same whatever variety you use; the difference is what each is good for. Here is how the common blueberry varieties compare.

VarietyBest for
HighbushMuffins, pancakes, and fresh eating: large and sweet, the standard cultivated berry.
Lowbush (Wild)Jam and compote: tiny and intensely flavoured, often sold frozen.
RabbiteyeBaking and preserves: firm, late-season southern berry with a thicker skin.

Which should I pick?

For muffins, pancakes, and fresh eating, Highbush is the large, sweet supermarket default and the easiest to find. No Highbush? Rabbiteye is a firm, late-season southern type that bakes well. Reach for Lowbush (Wild) when you want tiny, intense berries for jam and compote, where their concentrated flavour shines.

Frequently Asked Questions

What is the size of a medium blueberry?
A medium blueberry weighs about 1.5 g, which works out to roughly 0.01 cups (0.01 US cups) of chopped flesh. Blueberries come in a range of sizes depending on the season, variety and where they were grown, so weight and cup figures shift accordingly. Use the size selector above to match what you actually have, then read the exact conversion for any amount.
How much does a medium blueberry weigh?
A medium blueberry weighs about 1.5 g, with a small one around 0.8 g and a large one near 2.5 g. That range changes the weight of any recipe that counts blueberries by the piece, so set the size selector to match what you actually have before trusting a cup or gram figure.
How much does an average blueberry weigh?
An average blueberry is the same as a medium one: about 1.5 g. A small blueberry is lighter at around 0.8 g and a large one heavier at about 2.5 g, so the size you actually have changes the total for any recipe that counts blueberries by the piece rather than by weight.
Which blueberry variety should I use?
For muffins, pancakes, and fresh eating, Highbush is the large, sweet supermarket default and the easiest to find. No Highbush? Rabbiteye is a firm, late-season southern type that bakes well. Reach for Lowbush (Wild) when you want tiny, intense berries for jam and compote, where their concentrated flavour shines.
How much does a large blueberry weigh?
A large blueberry weighs about 2.5 g, noticeably more than a medium, or average, one at 1.5 g or a small one at 0.8 g. Set the size selector to large to convert cups, grams and ounces for the bigger blueberries you actually have on the counter.

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