Wendy's Milk Bar Rainbow Shake

Calories, kilojoules and macros.

About 19% of the 8,700 kJ average daily intake. 43 calories per gram of protein.

Can you make it leaner?

Wendy's Milk Bar only publishes the whole-item total for this one, so individual ingredients can't be removed and priced out. Lighter options in the same category are below.

Lighter cold drinks at Wendy's Milk Bar

• Milkshake (Large)11.7g protein401 cal≈ 1,680 kJ
• Banana Smoothie (Large)16.6g protein398 cal≈ 1,670 kJ
• Berry Smoothie (Large)17.3g protein384 cal≈ 1,610 kJ
• Mango Yoghurt Smoothie (Large)16.1g protein371 cal≈ 1,550 kJ

All Wendy's Milk Bar items · Lowest-calorie Wendy's Milk Bar · High-protein Wendy's Milk Bar

Questions

How many calories are in a Wendy's Milk Bar Rainbow Shake?

A Wendy's Milk Bar Rainbow Shake has 404 calories (about 1,690 kJ), according to Wendy's Milk Bar Australia's published nutrition information. That's about 19% of the 8,700 kJ average adult daily intake used on Australian food labels.

How much protein is in a Wendy's Milk Bar Rainbow Shake?

It has 9.3g of protein, 67.7g of carbohydrate and 10.3g of fat.

How can I make a Wendy's Milk Bar Rainbow Shake lower in calories?

Wendy's Milk Bar only publishes the total for this item, so individual ingredients can't be priced out. Lighter cold drinks options at Wendy's Milk Bar include the Milkshake (Large) (401 cal) and Banana Smoothie (Large) (398 cal).

Figures from CalorieKing (Wendy's Milk Bar doesn't publish its own), October 2026. kJ values are converted from calories (1 calorie = 4.184 kJ) and rounded to the nearest 10. Menus and recipes change, so figures may differ in-store.