KFC · Burgers
Original Crispy BBQ Bacon Stacker BurgerKFC calories & macros
A KFC Original Crispy BBQ Bacon Stacker Burger has 843 calories (3,527 kJ), with 55.0 g protein, 45.8 g fat and 51.5 g carbs per serve. That is about 41% of the 8,700 kJ daily intake used on Australian food labels.

A6.5 g protein per 100 kcal - excellent protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll KFC items
Full nutrition
| Per serve | Amount |
|---|---|
| Energy | 3,527 kJ (843 kcal) |
| Protein | 55.0 g |
| Fat, total | 45.8 g |
| - saturated | 8.6 g |
| Carbohydrate | 51.5 g |
| - sugars | 9.0 g |
| Sodium | 1,964 mg |
As published by KFC.
Customise it: what swaps change
Per-serve totals after a common change. KFC only publishes its fillets and hashbrown on their own. Everything else here is worked out from KFC's own menu, so treat it as close, not exact.
| Change | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| As sold | 843 | 3,527 | 55.0 | 45.8 | 51.5 |
| No Bacon (-111 kcal) | 732 | 3,063 | 45.8 | 37.7 | 51.1 |
| No Cheese (-67 kcal) | 776 | 3,247 | 52.7 | 39.4 | 51.4 |
| No Lettuce (-1 kcal) | 842 | 3,523 | 54.9 | 45.8 | 51.2 |
| No Mayo (-89 kcal) | 754 | 3,155 | 54.7 | 36.4 | 50.2 |
| No BBQ Sauce (-35 kcal) | 808 | 3,381 | 54.9 | 45.8 | 43.0 |
| No Bun (-134 kcal) | 709 | 2,966 | 49.6 | 44.7 | 27.7 |
| + Avocado (+44 kcal) | 887 | 3,711 | 55.6 | 50.4 | 51.6 |
| +1 Bacon Slice (+55 kcal) | 898 | 3,757 | 59.6 | 49.8 | 51.7 |
| +1 Cheese Slice (+67 kcal) | 910 | 3,807 | 57.3 | 52.2 | 51.6 |
| + Corn Chips (+51 kcal) | 894 | 3,740 | 55.7 | 48.3 | 57.8 |
| + Tomato (+4 kcal) | 847 | 3,544 | 55.2 | 45.8 | 52.1 |
| + Slaw (+32 kcal) | 875 | 3,661 | 55.5 | 47.7 | 54.5 |
| + Extra Lettuce (+1 kcal) | 844 | 3,531 | 55.1 | 45.8 | 51.8 |
| + Extra BBQ Sauce (+35 kcal) | 878 | 3,674 | 55.1 | 45.8 | 60.0 |
| + Chilli Relish (+14 kcal) | 857 | 3,586 | 55.1 | 45.8 | 55.0 |
| + Jalapeno Mayo (+89 kcal) | 932 | 3,899 | 55.3 | 55.2 | 52.8 |
| + Extra Mayo (+89 kcal) | 932 | 3,899 | 55.3 | 55.2 | 52.8 |
| + Pepper Mayo (+89 kcal) | 932 | 3,899 | 55.3 | 55.2 | 52.8 |
| + Supercharged Sauce (+69 kcal) | 912 | 3,816 | 55.3 | 52.2 | 54.2 |
| +1 Original Crispy Fillet (+224 kcal) | 1,067 | 4,464 | 73.9 | 57.6 | 62.0 |
How it compares with other KFC burgers
Of the 10 burgers on the KFC menu, Original Crispy BBQ Bacon Stacker Burger has the most protein and is the highest in calories. The category average is 571 kcal, so this one is above average by 272 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Zinger Crunch Burger | 568 | 2,377 | 29.7 | 29.3 | 45.2 |
| Original Crispy Bacon & Cheese Burger | 570 | 2,385 | 31.6 | 32.8 | 36.2 |
| Zinger Stacker Burger | 737 | 3,084 | 51.2 | 37.3 | 48.8 |
| Original Crispy BBQ Bacon Stacker Burger | 843 | 3,527 | 55.0 | 45.8 | 51.5 |
Sorted by calories, showing the items either side of this one. See every KFC burgers item.
Quick answers
How many calories are in a KFC Original Crispy BBQ Bacon Stacker Burger?
A KFC Original Crispy BBQ Bacon Stacker Burger has 843 calories, which is 3,527 kilojoules, per serve as sold in Australia.
How much protein is in KFC's Original Crispy BBQ Bacon Stacker Burger?
55.0 g of protein, which works out to 6.5 g per 100 kcal - rated A (excellent) for protein density on Macro Menu.
How many kJ is that?
3,527 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 3,527 kJ is roughly 41% of an 8,700 kJ day.
Is it a lower-calorie choice at KFC?
Within KFC burgers it is the 10th lowest of 10. The lowest-calorie option in that category is Zinger Burger at 448 kcal, and it also has the most protein of any KFC burgers item.
Compare it with
The closest burgers by calories, at the other chains and on this menu.
More KFC burgers
Zinger Stacker Burger737 kcal · 51.2 g protein
Original Crispy Bacon & Cheese Burger570 kcal · 31.6 g protein
Zinger Crunch Burger568 kcal · 29.7 g protein
Zinger Bacon & Cheese Burger549 kcal · 33.1 g protein
Pickle Burger547 kcal · 25.3 g protein
Pickle Zinger Burger547 kcal · 26.8 g proteinKFC full menuHighest protein at KFCLowest calorie at KFCOther restaurants
Source: KFC Australia Nutrition & Allergen Guide, and KFC's own ordering API, per serve as sold. Last checked against the live menu on 14 September 2026. Every source.