米饭（白米，熟）热量与蛋白质（每100克）White rice, cooked: calories & protein per 100 g
数据Data: USDA FoodData Central #168878 (SR Legacy) — “Rice, white, long-grain, regular, enriched, cooked”. 图片Photo: Douglas Perkins, CC0 · 版权credits
米饭（白米，熟）不同重量的热量White rice, cooked by weight
| 重量Amount | kcal | 蛋白质 gProtein g | 碳水 gCarbs g | 脂肪 gFat g |
|---|---|---|---|---|
| 50 g | 65 | 1.4 | 14.1 | 0.2 |
| 100 g | 130 | 2.7 | 28.2 | 0.3 |
| 150 g | 195 | 4.1 | 42.3 | 0.5 |
| 200 g | 260 | 5.4 | 56.4 | 0.6 |
主食是碳水化合物的主要来源。《中国居民膳食指南(2022)》建议每天谷类 200–300 g（其中全谷物和杂豆 50–150 g），薯类 50–100 g。 在本站 17 种主食中，米饭（白米，熟）的热量由低到高排第 10 位。
Staples are the main source of carbohydrate. The Chinese Dietary Guidelines 2022 suggest 200–300 g of grains a day (50–150 g whole grains and pulses) plus 50–100 g tubers. Among the 17 staples on this site, white rice, cooked ranks #10 from lowest to highest in calories.
与同类食物对比（每100克）Compared with similar foods (per 100 g)
| 食物Food | kcal | 蛋白质 gProtein g | 每100kcal蛋白质Protein /100 kcal |
|---|---|---|---|
| 小米（煮熟）Millet, cooked | 119 | 3.5 | 2.9 |
| 藜麦（煮熟）Quinoa, cooked | 120 | 4.4 | 3.7 |
| 糙米饭（熟）Brown rice, cooked | 123 | 2.7 | 2.2 |
| 米饭（白米，熟）White rice, cooked | 130 | 2.7 | 2.1 |
| 面条（煮）Noodles, cooked | 137 | 4.5 | 3.3 |
常见问题FAQ
100克米饭（白米，熟）多少热量？How many calories in 100 g of white rice, cooked?
约 130 千卡（kcal），蛋白质 2.7 g、碳水化合物 28.2 g、脂肪 0.3 g（USDA FDC 168878）。
About 130 kcal, with 2.7 g protein, 28.2 g carbohydrate and 0.3 g fat (USDA FDC 168878).
米饭（白米，熟）的蛋白质含量高吗？Is white rice, cooked high in protein?
每 100 kcal 约含 2.1 g 蛋白质，属于较低蛋白密度（本站以 ≥10 g/100 kcal 为高、5–10 为中等）。
It provides about 2.1 g protein per 100 kcal — low protein density (we call ≥10 g/100 kcal high, 5–10 moderate).
减脂期可以吃米饭（白米，熟）吗？Can I eat white rice, cooked while losing weight?
可以，关键是份量和全天总热量。150 g 约 195 kcal，约占 1800 kcal 目标的 11%。把它记到对应餐次，看是否在该餐的建议范围内。
Yes — portion and daily total matter most. 150 g is about 195 kcal, roughly 11% of an 1,800 kcal target. Log it to see whether the meal stays in range.