Sponge cake: calories and nutrition facts
Calories in sponge cake per 100 g and per typical portion, from the MacroLab food catalog.
297kcal per 100 g

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To burn these 297 calories:
- 69minWalking (5 km/h)
- 29minRunning (8 km/h)
- 36minCycling (16–19 km/h)
- 40minSwimming
Times use the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
Calories per portion
Common portions from the MacroLab catalog, next to the 100 g reference.
| Portion | kcal |
|---|---|
| 100 g | 297 |
| 1 slice (30 g) | 89 |
Can sponge cake make you gain weight?
At 297 kcal per 100 g, this is a food with medium energy density: about 34 g gives 100 kcal.
One slice (30 g) has only 89 kcal, which is easy to fit into most days.
No single food makes you gain weight. What matters is your total calories over days and weeks compared with what you burn.
Sponge cake vs other foods in “Sweets and snacks”
It has 25% fewer calories than the average food in “Sweets and snacks” (397 kcal per 100 g).
| Per 100 g | This food | Group average |
|---|---|---|
| Energy | 297 kcal | 397 kcal |
Related foods
Frequently asked questions
- How many calories are in 100 g of sponge cake?
- 100 g has 297 kcal. That means about 34 g for every 100 kcal.
- How many calories are in one slice of sponge cake?
- One slice (30 g) has 89 kcal.
Log sponge cake with a photo in MacroLab
Snap your plate and MacroLab estimates calories and macros, then keeps your daily targets up to date.
Data from the MacroLab food catalog, updated September 26, 2026. Values vary by variety and brand; check the label of the product you buy.
