Tools & guides

High-volume, low-calorie foods: eat more, stay in a deficit

Q: What are high-volume, low-calorie foods?

Foods that take up a lot of space on the plate and in the stomach for very few calories, because they are mostly water and fibre: non-starchy vegetables (cucumber, courgette, leafy greens, mushrooms), water-rich fruit (watermelon, strawberries, melon), broth-based soups, and lean proteins like white fish and non-fat dairy. Most sit between 10 and 60 kcal per 100 g.

Q: What is volume eating?

Volume eating means building meals around low-calorie-density foods so you can eat a large, satisfying amount while staying in a calorie deficit. It does not lower your calorie target — it makes hitting it easier, because you feel full.

Q: What is the most filling food for the fewest calories?

By satiety per calorie, boiled potatoes, non-starchy vegetables, broth-based soup and lean protein (white fish, egg whites, non-fat Greek yoghurt, chicken breast) score highest. Fibre, water and protein are what drive fullness.

Volume eating means filling the plate with foods that give you a big, satisfying portion for very few calories. Here are the lists, the best swaps and a sample day — all in kcal per 100 g, to read as ranges.

Hunger is driven mostly by how much food you eat, not how many calories it holds. Foods heavy in water and fibre — and lean protein — stretch the stomach and blunt appetite for a fraction of the energy. That's the whole idea behind volume eating: you don't lower your calorie target, you make it easy to hit without feeling deprived.

The metric that matters is calorie density — kcal per 100 g. Below ~60 kcal/100 g, you can eat a large plate and barely move the daily total. Above ~250 kcal/100 g (bread, cheese, nuts, oil), small portions add up fast.

Indicative values per 100 g, raw or plain unless noted. Cooking, variety and seasoning move the number — read every figure as a range. Tap a food for its detailed page.

Non-starchy vegetables: 10–40 kcal per 100 g

The core of any high-volume plate. Almost pure water and fibre: you can double the serving and hardly notice it on the counter. Aim to cover half the plate.

Cucumber12–16 kcalLettuce & leafy greens12–18 kcalCelery14–18 kcalRadish15–20 kcalCourgette15–20 kcalTomato17–21 kcalMushrooms20–28 kcalSpinach20–25 kcalAsparagus20–25 kcalCauliflower22–28 kcalBell pepper20–30 kcalCabbage22–28 kcalBroccoli28–35 kcalGreen beans28–35 kcalCarrot35–42 kcal

Water-rich fruit: 27–60 kcal per 100 g

For a sweet fix that doesn't blow up the day. Berries and melons are the lightest, and their fibre slows the sugar down.

Watermelon27–32 kcalStrawberries30–35 kcalCantaloupe34–40 kcalGrapefruit35–42 kcalRaspberries38–52 kcalPeach38–45 kcalOrange45–52 kcalBlueberries45–57 kcalApple50–56 kcalKiwi50–60 kcal

Lean protein: the strongest fullness per calorie

Protein is the most satiating macronutrient — it keeps hunger down for hours. Denser than vegetables, but the ratio of fullness to calories is unmatched. Build every meal around one of these.

Egg white50–55 kcalBoiled egg75–85 kcalNon-fat fromage blanc45–55 kcalNon-fat Greek yoghurt55–70 kcalCod75–85 kcalPollock75–90 kcalPrawns85–100 kcalTofu75–120 kcalTuna (plain)100–115 kcalTurkey breast105–120 kcalChicken breast110–130 kcal

Near-zero fillers: soup, broth and konjac

The volume-eater's secret weapons. A big bowl of broth-based soup before a meal reliably cuts how much you eat after it.

Vegetable / bone broth6–15 kcalKonjac / shirataki noodles8–15 kcalPickles11–18 kcalVegetable soup30–45 kcalGazpacho35–50 kcalAir-popped popcorn90–110 kcal

See all food calories →

High-volume swaps that save 100–400 kcal

Same meal, same volume on the plate — a fraction of the calories. This is where volume eating does most of its work.

Instead of

White rice, 150 g

~195 kcal

Try

Cauliflower rice, 150 g

~38 kcal · saves ~155

Instead of

Pasta, 180 g cooked

~235 kcal

Try

Courgette noodles, 180 g

~31 kcal · saves ~200

Instead of

Crisps, 30 g

~160 kcal

Try

Air-popped popcorn, 20 g

~78 kcal · bigger bowl, half the calories

Instead of

Granola with milk

~320 kcal

Try

Greek yoghurt + berries

~150 kcal · saves ~170, more protein

Instead of

Mayonnaise, 1 tbsp

~90 kcal

Try

Non-fat yoghurt + mustard + herbs

~15 kcal · saves ~75

A high-volume day at ~1,500 kcal

An example, not a prescription — portions are approximate and your target depends on your maintenance calories.

Breakfast · ~300 kcal

250 g non-fat Greek yoghurt, 150 g strawberries and blueberries, 10 g oats. High protein, big bowl.

Lunch · ~450 kcal

150 g chicken breast, 300 g roasted vegetables (courgette, peppers, onion), a large leafy salad with a light dressing.

Snack · ~120 kcal

A bowl of vegetable soup, or 20 g air-popped popcorn, or an apple with 100 g fromage blanc.

Dinner · ~500 kcal

180 g white fish, 200 g cauliflower rice, 200 g green beans and broccoli, plus a broth-based soup to start.

That's roughly 1.8–2 kg of food for ~1,500 kcal — the point of volume eating.

Volume eating won't do it alone

It's a tool for hunger, not a licence to stop counting. Three things to keep in mind.

The deficit still decides. You lose weight only if your day ends below maintenance. High-volume foods make that easier to reach without hunger — they don't override it.

Watch the add-ons. A tablespoon of oil (~120 kcal) on your vegetables can outweigh the vegetables. Dressings, sauces and cooking fat are where a “light” plate quietly becomes heavy.

Keep protein and variety. An all-vegetable diet gets you full but not fed. Anchor every meal with protein, and don't cut whole food groups for the sake of the counter.

Frequently asked questions

What are high-volume, low-calorie foods?+

Foods that fill the plate and the stomach for very few calories, because they're mostly water and fibre: non-starchy vegetables, water-rich fruit, broth-based soups, konjac noodles, and lean proteins like white fish and non-fat dairy. Most sit between 10 and 60 kcal per 100 g.

What is volume eating?+

Building meals around low-calorie-density foods so you can eat a large, satisfying amount while staying in a calorie deficit. It doesn't lower your calorie target — it makes hitting it easier, because you feel full.

What is the most filling food for the fewest calories?+

Boiled potatoes score highest on measured satiety tests, followed by non-starchy vegetables, broth-based soup and lean protein (white fish, egg whites, non-fat Greek yoghurt, chicken breast). Fibre, water and protein are what drive fullness.

Does volume eating help you lose weight?+

Indirectly. You still lose weight only in a calorie deficit across the whole day. High-volume foods make that deficit easier to sustain without hunger — which is usually the reason diets fail.

How do I know the calories in my high-volume meal?+

Per-100 g values are a starting point, but your real portion and any oil, dressing or sauce change the total. Photograph the plate with Volumeal to get a range estimate matched to what you actually eat, rather than a fake exact number.

Big plate, honestly counted.

Per-100 g values are the theory. Snap your plate: Volumeal estimates the calories as a range, matched to your real portion.

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Keep going:Low-calorie foods list·Calorie deficit calculator·Calorie calculator·High-calorie foods