By weight, raw collard greens have about 32 calories per 100 grams, while plain boiled greens have about 35. Cup totals can differ because chopping, heat, and draining change how much greens fit into one cup.
You’ll compare equal weights, serving sizes, cooking methods, and added ingredients so your calorie count matches the dish on your plate.
A Consistent Baseline for Raw and Cooked Collard Greens
A fair comparison starts with 100 grams, or about 3.5 ounces, of edible leaves. At that weight, raw collard greens calories total roughly 32, while plain boiled, drained greens contain about 35.
Both figures fall below 40 calories per 100 grams. That close baseline makes it easier to compare the vegetable itself before you account for oil, butter, broth, or dressing.
Plain cooked greens define the comparison
For this comparison, “cooked” means chopped collards boiled in water, drained, and measured without oil, butter, sugar, broth, or dressing. Steamed collards also fit a low-fat cooked example, although their moisture level can differ from boiled greens.
U.S. Department of Agriculture FoodData Central values reflect particular food records and preparation states. MyFoodData and similar databases use related records but may round portions differently, so you should check whether the listed serving comes before or after cooking.
| Preparation | Amount | Approximate calories | Measurement note |
|---|---|---|---|
| Raw, chopped | 100 grams | 32 | Fresh edible leaves |
| Boiled, drained | 100 grams | About 35 | Measured after draining |
| Steamed, no added fat | 100 grams | About 35 | Exact value varies with moisture |
Your tracking app may show a different number because collard greens contain abundant water and absorb different amounts during heating. Check the serving weight, preparation, drained state, and ingredient list before comparing entries.
The Calorie Difference at Equal Weight
The gap between 32 calories for raw leaves and 35 calories per 100 grams of boiled greens is only about 3 calories. Cooking does not create new calories; heat changes water content and texture, while a 100-gram sample can contain a different share of dry matter.
Water loss changes nutrient density
Boiling softens leaf tissue and removes some water. Draining that water leaves the nutrient package in less volume, so calories per 100 grams can rise slightly. Your scale is measuring a more concentrated form of the vegetable, not energy produced by the stove.
An equal-weight comparison suits judging the vegetable itself. Raw and boiled collards remain nutrient-dense and low in calories, with folate, dietary fiber, vitamin K, and vitamin C represented in standard collard greens nutrition facts.
| Equal-weight comparison | Raw | Plain boiled | Difference |
|---|---|---|---|
| Calories per 100 grams | 32 | About 35 | About 3 calories |
| Fat added | 0 grams | 0 grams | No difference |
| Main calculation issue | Water-rich leaves | Water lost during cooking | Changed moisture weight |
You can treat the cooked figure as roughly 3 calories higher per 100 grams, subject to source variation. For weight-management planning, portion weight, retained cooking liquid, and added oil matter more than that small equal-weight gap.
Why Cup Servings Are Not Directly Comparable
A chopped raw cup weighs about 20 grams and supplies roughly 10 calories. A cooked cup contains about 35 to 45 calories without added fat, but it can also hold more leaves by weight. The apparent jump reflects serving density as much as heat.
Serving weight explains the cup difference
Raw chopped leaves pack loosely, so 20 grams fills a cup with little compression. Heat softens the greens and allows a denser amount into the same volume. Draining also removes surface water, which can make one cup weigh more than its raw counterpart.
Picture 20 grams of raw greens measured in a cup and then cooked with water drained. The batch might fill only half a cup. Reaching one full cup could require close to 40 grams, or about 14 calories, before oil enters the pan.
| Serving | Typical weight | Estimated calories | Key caveat |
|---|---|---|---|
| 1 cup raw, chopped | About 20 grams | About 10 | Loose, dry leaf pieces |
| 1 cup boiled, drained | Varies by packing | About 35 to 45 | Dense cup may contain more greens |
| 100 grams raw | 100 grams | About 32 | Most consistent comparison |
| 100 grams boiled, drained | 100 grams | About 35 | Moisture concentration matters |
Weigh the greens before eating for a tighter estimate. Volume works for a rough estimate, but a kitchen scale settles the question when you track calories closely or compare two preparations with confidence.
How Cooking Method Changes the Calculation
Water-based methods add no fat calories, while fat-based methods can raise a serving by hundreds. Boiling, steaming, sautéing, and braising should therefore be treated as separate dishes even when each begins with the same chopped leaves.
Boiling and steaming keep the base low
Boiled collards contain about 35 calories per 100 grams after draining. Keeping the cooking liquid lowers the concentration in the bowl, but energy from ingredients dissolved in that liquid remains in the dish.
Steamed greens gain no calories from water and retain more moisture than heavily boiled leaves. Nutrient density per 100 grams can look higher because less water evaporates, while the calorie difference between two plain 100-gram servings stays small.
Sautéed oil changes the dish quickly
Oil changes the calculation faster than heat does. One tablespoon supplies about 120 calories, so 100 grams of plain sautéed collards can contain roughly 155 calories before seasonings. Garlic, smoked paprika, and lemon add little, while butter, bacon fat, and creamy sauces raise the total further.
Measure oil while it pours rather than estimating from the pan. A thin sheen can hide a tablespoon, and that amount alone can outweigh three plain servings of greens.
Your recipe card should record the pan size, chop, cooking time, and drained weight. Without those details, two pans labeled “sauteed collard greens” can differ by more than 100 calories.
Those cooking variables set the baseline, but oils, sauces, and other additions can push the total higher.
Putting Added Ingredients Into Context
A 35-calorie serving of boiled greens becomes a 155-calorie serving after one tablespoon of oil. That increase comes from added fat, not from the cooking step itself. Calculate each ingredient separately to see where the total comes from.
Build the dish from the bottom up
Start with cooked greens, then add the calories from every fat, sweetener, sauce, and broth. A tablespoon of butter contributes about 100 calories, while a tablespoon of many salad dressings contributes roughly 60 to 130, depending on oil and sugar content.
Broth also needs attention. Water-based broth carries few calories, while cream-based broth or another rich recipe can change the serving total. Sweeteners add energy despite their small mass, so a drizzle still matters across four servings.
| Ingredient added to 100 grams | Example amount | Added calories | Resulting dish |
|---|---|---|---|
| Boiled greens only | 100 grams | About 35 | About 35 calories |
| Olive or canola oil | 1 tablespoon | About 120 | About 155 calories |
| Butter | 1 tablespoon | About 100 | About 135 calories |
| Oil, sugar, and sauce | Varies | Often 150 or more | 350 to 450 calories |
National Institutes of Health nutrition materials support portion control rather than relying on labels alone. Enter the full recipe and divide it among servings, or record the cooked greens and each addition as separate entries in your meal log.
Choosing the Lowest-Calorie Preparation
Raw greens hold a small edge at about 3 calories lower per 100 grams. For a warm meal, boiling or steaming without added fat keeps the dish near the plain vegetable baseline at about 35 calories per 100 grams.
Match the method to your goal
Choose raw collards for crisp texture and a salad base. Choose steamed greens for a warm side without oil, or boiling for a tender texture with the cooking water drained away.
Sautéed collards can fit your meal too. Measure the oil, divide the pan into equal servings, and include the full amount in your calorie log. A lightly oiled serving can provide a satisfying texture while keeping fat within your planned amount.
- Weigh before cooking. Record the raw or cooked mass so every entry represents the same amount of edible greens.
- Drain before measuring. Surface water can increase serving weight even though it contributes no calories.
- Measure visible fats. Use a tablespoon to track oil, butter, or creamy dressing before it reaches the pan.
- Track seasonings separately. Sugar, sauce, bacon, and broth can turn a plain side into a dense dish.
- Compare equal weights. Use 100 grams when your goal is a direct check of the vegetable’s calorie concentration.
- Use cups loosely. Treat cup figures as estimates until you check the prepared weight.
Your choice comes down to texture, nutrients, and the full recipe rather than the idea that raw food always has fewer calories. At 100 grams, the difference is tiny; on your plate, serving weight and ingredient additions decide the meaningful total.
Bottom Line
Raw collard greens contain about 32 calories per 100 grams, and plain boiled greens contain about 35. Weigh your serving and include oil, butter, sauce, broth, or dressing before logging it. For a low-calorie warm preparation, steam or boil the greens and measure any fat separately.
FAQ
Are raw or cooked collard greens healthier?
Raw collards preserve more vitamin C because heat-sensitive nutrients lose some value during cooking. Boiled and steamed greens can retain more vitamin K and folate per 100 grams as water leaves the dish. Choose the preparation and portion that suit your nutritional needs.
How many calories are in one cup of raw collard greens?
A 20-gram cup of chopped raw collard greens contains roughly 10 calories. Leaf size and chopping affect the amount, so weigh 100 grams for a more consistent estimate. Raw chopped leaves also provide fiber, folate, vitamins C and K, and very little fat.
How many calories are in one cup of cooked collard greens?
That cooked collard greens contains about 35 to 45 calories without added fat. A cooked cup is denser than a raw cup, and draining affects its weight. Oil, butter, sugar, broth, and sauces can raise the serving substantially.
How many calories are in 100 grams of raw collard greens?
A 100-gram serving of edible raw leaves provides about 32 calories before cooking. Weighing the same amount of cooked greens gives you a cleaner comparison than relying on cup volume.
How many calories are in 100 grams of cooked collard greens?
After boiling and draining, a 100-gram serving contains roughly 35 calories. Steamed greens sit near the same figure, while oil, butter, broth, sugar, and sauces can raise the total.
Do collard greens have more calories when cooked?
Cooking can raise calories per 100 grams slightly because water leaves the leaves. Raw greens contain about 32 calories per 100 grams, compared with about 35 for plain boiled greens. Cooking adds no calories by itself; ingredients do.
