Donut King · Hot Drinks
Flat WhiteDonut King calories & macros
A Donut King Flat White (Small) has 136 calories (569 kJ), with 7.3 g protein, 7.3 g fat and 10.3 g carbs per serve. That is about 7% of the 8,700 kJ daily intake used on Australian food labels.
B5.4 g protein per 100 kcal - good protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Donut King items
Full nutrition (Small)
| Per serve | Amount |
|---|---|
| Energy | 569 kJ (136 kcal) |
| Protein | 7.3 g |
| Fat, total | 7.3 g |
| Carbohydrate | 10.3 g |
| - sugars | 10.3 g |
| Sodium | 85 mg |
As published by Donut King, which does not publish saturated fat for this item.
Flat White sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g | Sugars g | Sodium mg |
|---|---|---|---|---|---|---|---|
| Small | 136 | 569 | 7.3 | 7.3 | 10.3 | 10.3 | 85 |
| Regular | 161 | 674 | 8.6 | 8.6 | 12.1 | 12.1 | 101 |
| Large | 216 | 904 | 11.6 | 11.6 | 16.3 | 16.3 | 136 |
Lowest: Small at 136 kcal. Highest: Large at 216 kcal - a 80 kcal spread.
Customise it: what swaps change
Per-serve totals after a common change. Modifier figures are Macro Menu estimates unless Donut King publishes the component itself.
| Change | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| As sold | 136 | 569 | 7.3 | 7.3 | 10.3 |
| Skim Milk (-88 kcal) | 48 | 201 | 7.0 | 0.0 | 9.5 |
| Soy Milk (-25 kcal) | 111 | 464 | 6.3 | 4.3 | 11.3 |
| Almond Milk (-80 kcal) | 56 | 234 | 0.3 | 2.3 | 5.3 |
| Oat Milk (-30 kcal) | 106 | 444 | 1.3 | 3.3 | 15.3 |
| + Caramel Syrup (+40 kcal) | 176 | 736 | 7.3 | 7.3 | 20.3 |
| + Vanilla Syrup (+40 kcal) | 176 | 736 | 7.3 | 7.3 | 20.3 |
How it compares with other Donut King hot drinks
Of the 10 hot drinks on the Donut King menu, Flat White ranks 5th of 10 for protein and is the 6th lowest in calories. The category average is 109 kcal, so this one is above average by 27 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Macchiato | 3 | 13 | 0.2 | 0.2 | 0.2 |
| Babycino | 19 | 79 | 1.0 | 1.0 | 1.4 |
| Cappuccino (3 options) | 124 | 519 | 6.6 | 6.6 | 9.4 |
| Flat White (3 options) | 136 | 569 | 7.3 | 7.3 | 10.3 |
| Latte (3 options) | 140 | 586 | 7.5 | 7.5 | 10.6 |
| Mocha (3 options) | 216 | 904 | 8.4 | 8.0 | 26.6 |
| Hot Chocolate (3 options) | 218 | 912 | 8.5 | 8.1 | 26.7 |
Sorted by calories, showing the items either side of this one. See every Donut King hot drinks item.
Quick answers
How many calories are in a Donut King Flat White?
Flat White at Donut King ranges from 136 to 216 calories depending on the option. The Small is 136 kcal (569 kJ).
How much protein is in Donut King's Flat White?
7.3 g of protein in the Small, which works out to 5.4 g per 100 kcal - rated B (good) for protein density on Macro Menu.
How many kJ is that?
569 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 569 kJ is roughly 7% of an 8,700 kJ day.
Is it a lower-calorie choice at Donut King?
Within Donut King hot drinks it is the 6th lowest of 10. The lowest-calorie option in that category is Long Black at 0 kcal, and the highest-protein is Hot Chocolate with 8.5 g.
Compare it with
The closest drinks by calories, at the other chains and on this menu.
More Donut King hot drinks
Latte140 kcal · 7.5 g protein
Cappuccino124 kcal · 6.6 g protein
Mocha216 kcal · 8.4 g protein
Hot Chocolate218 kcal · 8.5 g protein
Chai Latte232 kcal · 8.2 g protein
Babycino19 kcal · 1.0 g proteinDonut King full menuHighest protein at Donut KingLowest calorie at Donut KingOther restaurants
Source: Donut King's Nutrition & Allergen Guide, with some rows filled from a third-party Australian nutrition register, per serve as sold. Not every figure on this page is Donut King's own. Donut King's own guide does not cover every product, so a few rows come from a third-party Australian nutrition database instead. Last checked against the live menu on 8 September 2026. Every source.