Hungry Jack's · Café
Jack's Café Flat WhiteHungry Jack's calories & macros
A Hungry Jack's Jack's Café Flat White (Small) has 198 calories (828 kJ), with 9.7 g protein, 6.8 g fat and 24.4 g carbs per serve. That is about 10% of the 8,700 kJ daily intake used on Australian food labels.
B4.9 g protein per 100 kcal - good protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Hungry Jack's items
Jack's Café Flat White sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Small | 198 | 828 | 9.7 | 6.8 | 24.4 |
| Medium | 174 | 728 | 12.7 | 1.0 | 28.3 |
| Large | 204 | 854 | 15.8 | 1.1 | 32.4 |
Lowest: Medium at 174 kcal. Highest: Large at 204 kcal - a 30 kcal spread.
How it compares with other Hungry Jack's café
Of the 20 café on the Hungry Jack's menu, Jack's Café Flat White ranks 5th of 20 for protein and is the 9th lowest in calories. The category average is 208 kcal, so this one is below average by 10 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Jack's Café Minicino | 39 | 163 | 2.1 | 2.1 | 3.1 |
| Piccolo | 53 | 222 | 2.8 | 2.9 | 4.0 |
| Iced Coffee | 181 | 757 | 7.3 | 12.3 | 10.5 |
| Jack's Café Flat White (3 options) | 198 | 828 | 9.7 | 6.8 | 24.4 |
| Cappuccino | 200 | 837 | 9.7 | 6.8 | 24.6 |
| Jack's Café Latte Large | 204 | 854 | 15.8 | 1.1 | 32.4 |
| Jack's Café Chai Latte (3 options) | 217 | 908 | 8.0 | 7.9 | 28.4 |
Sorted by calories, showing the items either side of this one. See every Hungry Jack's café item.
Quick answers
How many calories are in a Hungry Jack's Jack's Café Flat White?
Jack's Café Flat White at Hungry Jack's ranges from 174 to 204 calories depending on the option. The Small is 198 kcal (828 kJ).
How much protein is in Hungry Jack's's Jack's Café Flat White?
9.7 g of protein in the Small, which works out to 4.9 g per 100 kcal - rated B (good) for protein density on Macro Menu.
How many kJ is that?
828 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 828 kJ is roughly 10% of an 8,700 kJ day.
Is it a lower-calorie choice at Hungry Jack's?
Within Hungry Jack's café it is the 9th lowest of 20. The lowest-calorie option in that category is Jack's Café Dilmah Tea at 0 kcal, and the highest-protein is Dirty Chai Latte with 18.1 g.
Compare it with
The closest drinks by calories, at the other chains and on this menu.
More Hungry Jack's café
Cappuccino200 kcal · 9.7 g protein
Jack's Café Latte Large204 kcal · 15.8 g protein
Iced Coffee181 kcal · 7.3 g protein
Jack's Café Chai Latte217 kcal · 8.0 g protein
Jack's Café Hot Chocolate221 kcal · 7.3 g protein
Jack's Café Mocha289 kcal · 9.8 g proteinHungry Jack's full menuHighest protein at Hungry Jack'sLowest calorie at Hungry Jack'sOther restaurants
Source: Hungry Jack's Nutritional Guide Report and the nutrition panels on hungryjacks.com.au, per serve as sold. Last checked against the live menu on 8 September 2026. Every source.