How many kilojoules are in Weet-Bix?
Two Weet-Bix biscuits (about 30 g) carry roughly 444 kJ (106 Cal) on their own. Add 125 mL of skim milk and you are near 627 kJ; with full cream milk it is about 782 kJ. The classic four-biscuit bowl with full cream milk and a banana lands close to 1,700 kJ.
Key numbers
- 444 kJ (106 Cal)
- 627 kJ
- 782 kJ
- 1,700 kJ
Bowl by bowl
| Item | Per 100 g / 100 mL | Serve | Energy | Calories |
|---|---|---|---|---|
| Weet-Bix, dry | 1,480 kJ/100 g | 30 g (2 biscuits) | 444 kJ | 106 Cal |
| Weet-Bix Gluten Free | 1,580 kJ/100 g | 30 g | 474 kJ | 113 Cal |
| Skim milk | 146 kJ/100 mL | 125 mL | 183 kJ | 44 Cal |
| Full cream milk | 270 kJ/100 mL | 125 mL | 338 kJ | 81 Cal |
| Banana, raw | ~390 kJ/100 g | 110 g | 429 kJ | 103 Cal |
| Honey drizzle | 1,380 kJ/100 g | 10 g | 138 kJ | 33 Cal |
The combinations people actually eat
| How it is eaten | Energy | Calories | Protein |
|---|---|---|---|
| 2 Weet-Bix, skim milk | 627 kJ | 150 Cal | ~8 g |
| 2 Weet-Bix, full cream milk | 782 kJ | 187 Cal | ~8 g |
| 4 Weet-Bix, full cream milk | 1,564 kJ | 374 Cal | ~14 g |
| 4 Weet-Bix, full cream milk, banana and honey | 2,131 kJ | 509 Cal | ~16 g |
Reading the bowl properly
Weet-Bix is one of the few breakfasts where the cereal is the small part of the number. Two biscuits are 444 kJ; the milk, the banana and the honey together can more than double it. That is not an argument against any of them, it is the reason logging the bowl beats guessing from the box.
For protein, milk does the heavy lifting: 125 mL of skim adds about 4.5 g. Swapping to 200 mL of milk takes a two-biscuit bowl to roughly 9 g of protein for around 736 kJ.
Stop guessing the number
OzCal logs this in about five seconds: snap it, scan the barcode or say it. Kilojoules the way the label shows them, on 26,600 verified Australian foods.
Common questions
How many calories in 2 Weet-Bix?
About 106 Cal (444 kJ) dry, or 150 Cal (627 kJ) with 125 mL of skim milk.
How many kilojoules in 4 Weet-Bix?
About 888 kJ dry, or roughly 1,564 kJ with 125 mL of full cream milk.
Is Weet-Bix good for weight loss?
It is low in energy for the volume and high in fibre, but the toppings decide the bowl. Honey and full cream milk can add more energy than the biscuits.
Is gluten free Weet-Bix higher in kilojoules?
Slightly, at about 1,580 kJ per 100 g against 1,480 for the standard biscuit.
How do I log a bowl accurately?
Log the biscuits and the milk separately, or scan the box in OzCal and set how many biscuits you had.
Keep reading
Citing this page. OzCal (2026). "How Many Kilojoules in Weet-Bix? (Per Biscuit) | OzCal". Retrieved from https://ozcal.com.au/kilojoules/weet-bix. Last updated 2026-09-15. Figures are per the serve stated in each row, converted at 1 Cal = 4.184 kJ. A plain-text version of this page is available at https://ozcal.com.au/kilojoules/weet-bix.md.