Prepared Food Nutrition Calculators
Ready-to-eat and traditionally prepared dishes present the trickiest nutrition tracking challenge — the same recipe can vary by 50–100% in calories depending on oil quantity, filling ingredients, and portion size. This collection includes 5 free nutrition calculators for popular prepared foods: dosa, idli, upma, poha, and coleslaw.
Each calculator offers multiple preparation variants — from plain to oil-roasted to recipe-enriched — so you can match the version you actually eat.
Quick Macro Comparison: 5 Prepared Dishes
Per 100g of the default reference serving on each calculator.
| Dish | Calories | Protein (g) | Carbs (g) | Fat (g) | Fiber (g) |
|---|---|---|---|---|---|
| Dosa | 133 | 3.9 | 21.6 | 3.5 | 0.8 |
| Idli | 39 | 1.9 | 7.5 | 0.1 | 0.6 |
| Upma | 132 | 3.2 | 18.5 | 5.4 | 2.1 |
| Poha | 346 | 6.6 | 77.3 | 1.2 | 1.5 |
| Coleslaw | 228 | 1.4 | 18.6 | 17 | 2.1 |
Source: USDA FoodData Central. Values per 100g of the default reference form.
Open Any Prepared Food Calculator
Each tool shows multiple preparation variants so you can match the version you actually eat.

Dosa Nutrition
1 medium plain dosa (60g)

Idli Nutrition
1 plain idli (30g)

Upma Nutrition
100g vegetable rava upma

Poha Nutrition
100g dry thin poha (flattened rice)

Coleslaw Nutrition
1 cup (about 150g) of traditional creamy coleslaw
Why Prepared Foods Are the Hardest Category to Track — and How Variants Solve It
A plain dosa and a ghee-roasted masala dosa can differ by 200+ calories despite sharing the same base batter. The difference comes from three factors: cooking fat (no oil vs. 1–2 tablespoons of ghee), filling (empty vs. spiced potato), and size (a restaurant dosa is typically 50–100% larger than a home-made one). This variability is why generic entries like “dosa — 100 kcal” in most nutrition databases are misleading.
Our calculators address this by offering 6–10 variants per dish, each with USDA-verified or peer-reviewed nutritional data for the specific preparation method. Select “Plain Dosa (minimal oil)” or “Ghee Roasted Masala Dosa” and get numbers that actually reflect what you ate. This specificity is what separates accurate tracking from calorie guessing.
Fermented vs. Non-Fermented: The Nutritional Edge of Dosa, Idli, and Dhokla Batters
Fermentation in South Indian batters (rice + urad dal) produces Lactobacillus and other beneficial bacteria that enhance nutrient bioavailability. Research published in the International Journal of Food Sciences and Nutrition found that 12–18 hours of fermentation reduces phytic acid by 20–40%, which significantly improves iron and zinc absorption from the batter. Some studies also report a modest increase in B12 content — unusual for a plant-based food.
Non-fermented preparations like upma (from semolina) and poha (from flattened rice) skip this biochemical enhancement but gain other advantages: faster preparation time and a more predictable nutrient profile. The choice between fermented and non-fermented is not about one being universally better, but about understanding the specific nutritional trade-offs — which our calculators make transparent through detailed per-variant breakdowns.
Prepared Food Nutrition Questions
- How many calories are in one plain dosa?
- A single plain dosa (approximately 30–35g, made from fermented rice and urad dal batter without oil) contains roughly 75–85 kcal. A masala dosa with potato filling is larger (60–80g batter) and adds approximately 80–120 kcal from the filling and oil, totaling 200–260 kcal. A ghee-roasted dosa can exceed 300 kcal due to the added fat. Our calculator includes multiple dosa variants so you can match your actual preparation.
- Is idli really one of the healthiest Indian breakfast options?
- Idli is low in fat (0.1–0.4g per piece), low in calories (39–42 kcal per idli), and the fermentation process increases B-vitamin content and improves protein digestibility. However, idli is not high in protein (2g per piece) or fiber, and its nutritional value depends heavily on what you eat it with — sambar adds protein from lentils, while coconut chutney adds healthy fats. Two plain idlis with sambar provide a reasonably balanced breakfast at approximately 200–250 kcal.
- How does upma compare to poha in terms of nutrition?
- Both are traditional Indian breakfast dishes, but they differ in base ingredients. Upma is made from semolina (suji), providing approximately 174 kcal per 100g with 4.5g protein. Poha (flattened rice) provides about 130–160 kcal per 100g prepared, with slightly less protein but more iron due to iron fortification common in commercial poha. The calorie difference depends heavily on the amount of oil, peanuts, and vegetables added during preparation.
- Is store-bought coleslaw healthy?
- Commercial coleslaw typically contains 150–200 kcal per 100g, with 10–15g of fat from mayonnaise-based dressing. The cabbage base provides vitamin C (18mg/100g) and fiber (1.5g/100g), but the dressing adds significant calories and fat. Vinaigrette-based coleslaw is substantially lower in calories (60–80 kcal per 100g). Our calculator includes both mayonnaise-based and lighter variants.
- Does fermentation change the calorie content of dosa or idli batter?
- Fermentation does not meaningfully change the total calorie content of the batter — the bacteria primarily convert carbohydrates into carbon dioxide (which creates the rise) and small amounts of organic acids. What fermentation does change is nutrient bioavailability: phytic acid is reduced by 20–40%, improving iron and zinc absorption; B-vitamin content (especially thiamine, riboflavin, and folate) increases; and protein digestibility improves by 10–15% due to partial breakdown of complex proteins.
Explore More Nutrition Categories
Browse calculators for other food groups in our nutrition database.