Sweet Lassi vs Chaas (Buttermilk)

Both sides computed from the same table, at the serving each is actually eaten in.

Sweet Lassi

203

kcal per 1 glass (250 g) · 81 kcal/100 g

More energy-dense

Chaas (Buttermilk)

kcal per 1 glass (250 g) · 30 kcal/100 g

The short answer

Which one is heavier

Per 100 g, sweet lassi is heavier — 81 kcal against 30 kcal for chaas (buttermilk), about 170% more. Per real serving the picture changes: 1 glass of sweet lassi is 203 kcal, while 1 glass of chaas (buttermilk) is 75 kcal, because the portions are not the same size. On protein, sweet lassi wins with 2.1 g per 100 g.

SOURCE·ICMR–NIN dietary guidance for Indians + weighed portions·1 glass entered at 250 g·REVIEWED JUL 2026

Side by side

	Sweet Lassi	Chaas (Buttermilk)
Serving assumed	1 glass · 250 g	1 glass · 250 g
Calories per serving	203	75
Calories per 100 g	81	30
Protein per 100 g	2.1 g	1.6 g
Carbs per 100 g	12.0 g	1.5 g
Fat per 100 g	2.7 g	2.0 g
Fibre per 100 g	0.0 g	0.0 g
Walking to burn one serving	47 min	17 min

SOURCE·IFCT 2017 + published recipe weights·REVIEWED JUL 2026

How two dishes are made comparable

Both columns start from the same source — the per-100 g rows for sweet lassi and chaas (buttermilk) in the Indian Food Composition Tables 2017. Neither side is taken from a different database to win an argument.
Each dish keeps its own serving weight: 1 glass at 250 g, 1 glass at 250 g. Forcing both onto a shared 100 g is what makes most food comparisons useless.
Both rows are then scaled the same way and printed side by side, so the per-gram ranking and the per-plate ranking can visibly disagree — which, on Indian food, they routinely do.

Sweet Lassi         81 kcal/100 g × 250 g ÷ 100 = 203 kcal
Chaas (Buttermil    30 kcal/100 g × 250 g ÷ 100 = 75 kcal

The full method, and where it is weakest →

How to read this

Per-100 g comparisons flatter whatever is eaten in small portions. Sweet Lassi is denser per gram, but people do not eat by the gram — sweet lassi arrives as 1 glass and chaas (buttermilk) as 1 glass, and that is where the real difference shows up.

Sweet Lassi carries more protein, which matters more than the calorie gap if you are trying to stay full. Both figures assume home cooking with a measured amount of oil; a restaurant plate of either can run 30 to 60% higher.

Questions

Which has more calories, sweet lassi or chaas (buttermilk)?

Which has more protein, sweet lassi or chaas (buttermilk)?

Sweet Lassi — 2.1 g per 100 g against 1.6 g. Per real serving that becomes 5.3 g in 1 glass against 4.0 g in 1 glass.

Why do the two comparisons disagree?

Because a per-100 g comparison flatters whatever is eaten in small portions. 1 glass of sweet lassi weighs 250 g and 1 glass of chaas (buttermilk) weighs 250 g, so the per-gram ranking and the per-plate ranking are answering different questions. The serving row is the one that decides what you ate.

Nutrient values are averages for the stated preparation, based on the Indian Food Composition Tables 2017 (ICMR–NIN) and standard recipe analysis. Energy is reconciled against the macronutrients with Atwater factors on every build. General information only — not medical or nutrition advice. Home-cooked Indian food varies enormously with oil, ghee and portion size; every value here is an average for a stated serving, with the assumption shown.

SOURCE·IFCT 2017 + published recipe weights·REVIEWED JUL 2026

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