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Fish & shellfish

Canned tuna: weights & conversions

A US cup of canned tuna weighs about 154 g. 100 g is 116 calories and 25.5 g of protein.

Also written as: tuna, tuna fish.

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1 cup of canned tuna is about 154 grams.

Cups to grams

What each measure of canned tuna weighs, from the cup weight above.

canned tuna volume conversions
VolumeGramsOunces
1 cup154 g5.43 oz
3/4 cup116 g
2/3 cup103 g
1/2 cup77 g
1/3 cup51.3 g
1/4 cup38.5 g
1 tablespoon9.63 g
1 teaspoon3.21 g

Ounces and pounds

The weights an older recipe card is most likely to use.

canned tuna weight conversions
WeightGramsOunces
1 oz28.3 g
4 oz (1/4 lb)113 g
8 oz (1/2 lb)227 g
1 lb454 g
100 g100 g

Nutrition

Per 100 g of edible portion, transcribed from USDA reference data, and scaled to the measures above.

Nutrition for canned tuna by measure
MeasureCaloriesProteinFatCarbsFiberSodium
Per 100 g (100 g)11625.5 g0.82 g0 g0 g247 mg
Per cup (154 g)17939.3 g1.26 g0 g0 g380 mg
Per tablespoon (9.63 g)112.45 g0.08 g0 g0 g24 mg
Per 4 oz (113 g)13228.9 g0.93 g0 g0 g280 mg

If you have run out

  • Cooked chicken, the same amount. Shredded, for a chicken-salad style dish when there is no fish on hand.

Common questions

How many grams are in a cup of canned tuna?
One US cup of canned tuna weighs about 154 g (5.43 oz). A tablespoon is about 9.63 g and a teaspoon about 3.21 g.
How many cups is 100 g of canned tuna?
100 g of canned tuna is about 0.65 cups — near enough to 5/8 of a cup in a measuring cup.
How many calories are in canned tuna?
Canned tuna has about 116 calories per 100 g, which works out to roughly 179 calories a cup.
How much protein is in canned tuna?
About 25.5 g of protein per 100 g — roughly 28.9 g in a 4 oz portion.
What can I use instead of canned tuna?
Cooked chicken, the same amount. Shredded, for a chicken-salad style dish when there is no fish on hand.

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