# Plain bun — Calories & Nutrition Facts

> Plain bun has 541 calories per 100g, with 7.31g protein, 36.89g carbs, and 40.42g fat — verified against official HPB Singapore data.

*Why these numbers may differ from other calorie trackers: [HPB lab-tests real hawker food samples, not crowdsourced estimates](https://nutrikaki.com/blog/hpb-data-accuracy).*

## Nutrition Facts (per 100g)

| Nutrient | Amount |
| --- | --- |
| Calories | 541 kcal |
| Protein | 7.31 g |
| Carbs | 36.89 g |
| Fat | 40.42 g |
| Sodium | 229 mg |
| Sugar | 3.93 g |

## About Plain bun

Plain bun is a Singapore hawker food item with 541 kcal per 100g. Nutritional data is sourced from the official HPB Singapore food composition database — the gold standard for clinical nutrition data in Southeast Asia. Use NutriKaki to log your exact portion size and track your daily calorie, protein, carb, fat, sodium and sugar targets.

## Related Dishes

- [Coffee bun](https://nutrikaki.com/nutrition/coffee-bun) — 429 kcal per 100g
- [Coconut bun](https://nutrikaki.com/nutrition/coconut-bun) — 385 kcal per 100g
- [Chicken curry bun](https://nutrikaki.com/nutrition/chicken-curry-bun) — 267 kcal per 100g
- [Salted egg yolk](https://nutrikaki.com/nutrition/salted-egg-yolk) — 568 kcal per 100g
- [Flavoured donut](https://nutrikaki.com/nutrition/flavoured-donut) — 478 kcal per 100g
- [Glazed donut](https://nutrikaki.com/nutrition/glazed-donut) — 432 kcal per 100g

## Related Guides

- [The Low Calorie Hawker Survival Guide](https://nutrikaki.com/blog/low-calorie-hawker-guide)
- [How to Lose Weight Eating Hawker Food](https://nutrikaki.com/blog/weight-loss-singapore-hawker-food)
- [High Protein Hawker Food Guide](https://nutrikaki.com/blog/high-protein-hawker-guide)

## Frequently Asked Questions

**How many calories are in Plain bun?**

Plain bun contains 541 calories per 100g based on verified HPB Singapore food composition data. Track your exact portion on NutriKaki for a personalised calorie count.

**How much protein is in Plain bun?**

Plain bun contains 7.31g of protein per 100g. It is a moderate source of protein. Good as part of a balanced hawker meal.

**Is Plain bun high in sodium?**

Plain bun contains 229mg of sodium per 100g. It is moderate in sodium. Mindful portion sizes will help you stay within your daily 2,000mg target. Log it on NutriKaki to track your daily sodium total alongside all your other hawker meals.

---
Nutrition data sourced from the Health Promotion Board (HPB) Singapore food composition database, used under licence by NutriKaki. The compilation and arrangement of this database is protected intellectual property — unauthorised bulk scraping or reproduction is strictly prohibited.
Full interactive page: https://nutrikaki.com/nutrition/plain-bun