How many calories in baked beans? By tin, brand and country

Baked beans are one of the few foods where the tin in a British cupboard and the tin in an American one share a name, a shape and a label, and are not the same food. One is haricot beans in a thin tomato sauce. The other is navy beans in brown sugar and molasses, often with pork in it.

That is worth 37 kcal per 100g, which does not sound like much until it is a whole tin.

There is a second surprise underneath it. The thing most people reach for to make beans lighter, the no-added-sugar version, barely moves the number, because sugar was never where most of the calories were.

The quick answer

Per 100g, as it comes out of the tin.

British figures cluster between 75 and 81 depending on brand and data source. This article uses 78, which sits in the middle of that range and matches the 200g portion used in the bacon breakdown. Reference composition for the American versions comes from USDA FoodData Central, which lists plain canned beans at 94 and pork-and-sweet-sauce at 141.

The false friend, and this one is a recipe difference

Bacon and sausages differ between the two countries by cut and by size. Baked beans differ by what is in the sauce, which is a bigger deal, because the sauce is most of what you can change.

The gap on a plate:

Read that twice, because it inverts the usual finding on this site. The American bean is 47% denser per gram, and yet the two servings land 12 kcal apart. The reason is that Britain eats beans as a meal in a large portion of a light product, and America eats them as a side in a small portion of a heavy one. Per gram the American tin wins. Per plate it is a draw.

Where the plate stops being a draw is when the American side sits next to ribs and the British one is dinner. That is a menu question rather than a bean question.

The no-added-sugar tin, and why it disappoints

Every British supermarket sells a reduced sugar and salt version, and it is the first thing people buy when they start tracking. Here is what it actually buys you.

Twenty five calories on a serving. It is a saving and it is free, so take it. But it is not the lever people expect, and the reason is structural.

A standard British baked bean carries about 4.7g of sugar per 100g, which is 19 kcal. Take every gram of added sugar out and you have removed at most 12 of the 78, because some of that sugar is in the tomato and the bean. The other 66 calories are the haricot bean itself, which is starch and protein, and no recipe change touches it.

There is a floor under this food, and it is the bean. That is the opposite of most tinned products, where the sauce is the calorie story and a reformulation can halve the number. It is the same shape of finding as reduced-fat hummus, except in reverse: hummus is mostly oil, so taking the oil out works, while beans are mostly bean, so taking the sugar out does not.

American beans are the exception that proves it. Their sauce carries roughly double the sugar of a British one, so a US brand's reduced-sugar line has considerably more to remove and drops further.

By weight, and by tin

By weight:

By tin, as sold:

The 200g Snap Pot is the most useful line in that table, because it is the only bean portion anywhere that is genuinely pre-measured. Everything else depends on where you stopped spooning.

Beans on toast, and where the calories actually are

This is the dish, so it deserves the arithmetic. Half a standard tin on two medium slices of supermarket white.

The beans are 52% of the plain version and 32% of the cheese one. In every arrangement the beans are the cheapest thing on the plate per unit of food.

At 312 kcal with roughly 15g of protein and 9g of fibre, plain beans on toast is one of the best calorie-per-nutrient meals available for under a pound. That is not a sentence this site gets to write about many tinned foods.

Per calorie, beans beat most of the health-food aisle

The useful comparison is not how many calories a food has. It is what you get for them. This table is protein and fibre per 100 calories, so lower-calorie foods are not flattered by portion size.

Beans are beaten on protein by animal foods, which bring no fibre at all, and by lentils, which are the one genuinely better tin in the aisle. Against everything sold as a healthy plant food they win comfortably, and the gap on hummus is not close: two and a half times the protein and two and a half times the fibre for the same 100 calories.

Half a tin is 7.9g of fibre against a daily target of 25 to 38g. One cheap tinned side is a quarter of a day's fibre, which is more than most people get from any deliberate effort.

The satiety evidence is real but narrower than the headlines suggest. A meta-analysis of acute pulse feeding trials found a 31% greater satiety response after a pulse-containing meal, with no measurable reduction in how much people ate at the next meal. So beans do make a meal feel more filling for the hours after it. They have not been shown to make the following meal smaller.

The plates beans arrive on

Two things fall out of that. The jacket potato with beans at 322 kcal is one of the highest-volume 300 kcal meals in existence, and the cheese on top costs more than the beans inside. And on a full English, the beans are the smallest number on the plate by a wide margin, below the egg, which is the same finding the bacon post reached from the other direction.

What the salt line actually costs

This is the honest trade-off with baked beans, and it is not calories.

A fifth of the day's salt from one side dish is a lot, and it compounds fast, because beans are eaten with bread and bread is the other big contributor. Beans on buttered toast is roughly 1.9g of salt before anything else happens. UK guidance is no more than 6g a day for adults.

If you eat beans several times a week, the reduced-salt tin is worth buying for the salt line rather than the 25 calories. That is the argument the front of the pack does not make.

Baked bean mistakes to avoid

Logging a US database entry for a UK tin, or the reverse

The largest single error here, at 77 kcal on half a tin in one direction and 77 in the other. Most app databases default to American canned beans, which means British beans get over-logged, the opposite of the usual bias. Check whether the entry's sauce has sugar or molasses in it.

Logging "a tin" when the tin was 550g

British tins come in 200g, 415g and 550g and they all look alike on the shelf. The gap between the small tin and the large one is 273 kcal, which is bigger than the entire meal most people think they are logging.

Counting the beans and not the cheese

30g of grated cheddar is 121 kcal, which is more than the beans in a small tin. It goes on last, it melts down to nothing visually, and it never gets typed in. See the cheese breakdown for what a "sprinkle" actually weighs.

Assuming beans with sausages is a protein upgrade

At 100 kcal per 100g the tin is heavier, but the sausages in it are small and largely rusk. You gain around 3g of protein per 100g for 22 extra calories, which is a fair trade and not a transformation. Two grilled sausages alongside plain beans is a better plate for the same money.

Eating a whole tin and counting one 5 A Day portion twice

The NHS 5 A Day portion is 3 heaped tablespoons, roughly 80g, and beans and pulses count as a maximum of one portion a day regardless of quantity. A 415g tin is five portions by weight and one portion on paper.

Buying barbecue or smoky beans as a swap

They are 125 kcal per 100g against 78. That is a 60% increase, hidden behind a word that reads as a flavour rather than a recipe change. Barbecue sauce is sugar and it is not a small amount of it.

Three ways to spend beans well

The 312 kcal dinner that actually works

• Half a 415g tin, standard beans (162 kcal)
• 2 medium slices of white toast, no butter (150 kcal)

Adds up to: 312 kcal, 15g protein, 9g fibre. It takes four minutes, it costs under a pound, and it holds up against almost anything on the high-volume, low-calorie list. Swap in wholemeal and the fibre goes to 12g for the same calories.

The jacket potato, done properly (403 kcal)

• Medium 170g jacket potato, skin on (160 kcal)
• 208g beans (162 kcal)
• 20g grated cheddar rather than 40g (81 kcal, halved)

Adds up to: 403 kcal, against 483 for the version with a generous handful of cheese. Grate the cheese finer and use half. Fine cheese covers twice the surface for half the weight, which is the only cheese trick that survives contact with a scale.

Beans as the protein in a stew, not the side

• 415g tin of beans, drained of about half the sauce (roughly 260 kcal)
• 400g tin chopped tomatoes, onion, garlic, smoked paprika (110 kcal)
• Serves two, with a chapati each

Adds up to: about 185 kcal a bowl, or 350 with the chapati, and 10g of protein and 8g of fibre in it. Draining half the sauce removes salt and sugar without touching the bean, which is the one reformulation the tin cannot do for you.

The verdict

A British baked bean is 78 kcal per 100g and an American one in a sweet sauce is 115. Half a British tin, the portion almost everyone eats, is 162.

The no-added-sugar tin saves 25 calories a serving, which is worth having and is not the lever. The levers are the butter on the toast, the cheese on the potato and the tin size you did not check. All three are larger than every recipe difference in this article.

Per calorie this is one of the better foods in a supermarket: 6g of protein and 5g of fibre for every 100 calories, ahead of hummus, peanut butter and avocado on both counts. The reason nobody says so is that it costs 90p and comes in a tin.

Pairs well with: the bread calorie breakdown, how many calories are in a potato, and how much fibre you actually need per day.