Lemon cake calories come to 593 for one 175 g slice and 339 per 100 g. The slice size drives everything here: a typical bakery wedge covers 30% of a daily calorie budget and carries 66.9 g of sugar, while protein barely registers at 4.2 g. A cupcake is the smaller, easier-to-fit version.
593kcal
1 slice · 175 g, ready to eat
3%protein
4.2 gProtein
91 gCarbs
24 gFat
How to burn off 593 kcal
—Walking, brisk
—Jogging
—Cycling, moderate
—Swimming
Skip the math. BodyPal counts these calories from your steps and workouts automatically.
Nutrition facts
Ready to eat · per 175 g
Calories
593 kcal
Protein
4.2 g
Carbohydrate
91 g
Fat
24 g
Saturated fat
4.7 g
Cholesterol
75 mg
Sodium
532 mg
Potassium
82 mg
Iron
1.5 mg
Source: USDA FoodData Central
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Verified nutrition data
Numbers on this page come from USDA FoodData Central, the U.S. Department of Agriculture’s food composition database, and from manufacturer labels where a branded product is named. Last verified September 2026. How we verify our data →
Lemon cake: calories, protein and sodium by serving
Percent of daily value uses the FDA reference of 2,000 kcal a day.
Serving
kcal
Protein
Carbs
Fat
Sodium
% DV kcal
1 slice (175 g)
593
4.2 g
90.8 g
23.7 g
532 mg
30%
1 cupcake (90 g)
305
2.2 g
46.7 g
12.2 g
274 mg
15%
100 g
339
2.4 g
51.9 g
13.5 g
304 mg
17%
3 × 1 slice (175 g)
1,780
12.7 g
1,596 mg
5 × 1 slice (175 g)
2,966
21.2 g
2,660 mg
One slice is a 593-calorie dessert
The standard slice here weighs 175 g and lands at 593 calories, which is 30% of the daily value. That is closer to a small meal than a light treat. A 90 g cupcake brings 305 calories, or 15% of the daily value, so choosing the cupcake roughly halves the hit without giving up the flavor.
Totals climb fast once you go back for more. Two slices weigh 350 g and reach 1,187 calories. Three slices hit 1,780 calories, and five slices, the kind of amount that disappears over a long weekend, add up to 2,966 calories with 2,660 mg of sodium.
If you are tracking, weigh the slice or estimate against the 175 g reference. Homemade loaf slices and café wedges vary a lot, and a thicker cut moves the number more than any recipe tweak. BodyPal can log the slice from a photo if a scale is not handy.
Carbs and fat supply almost every calorie
Lemon cake is built from sugar, flour and fat, and the calorie split shows it. Carbs provide 61% of the calories, fat 36% and protein only 3%. Per 100 g that works out to 51.9 g of carbs, 13.5 g of fat and 2.4 g of protein.
In a full slice, that is 90.8 g of carbs and 23.7 g of fat against 4.2 g of protein, which covers just 8% of the daily value. Fiber is close to absent at 0.7 g per slice. With so little protein and fiber, a slice does little to keep you full for its calorie cost.
Saturated fat is moderate for a cake at 2.7 g per 100 g, and cholesterol sits at 43 mg per 100 g. Neither is the headline. The headline is how dense in sugar and starch this dessert is.
Sugar and sodium are the rows to watch
Sugar is 38.2 g per 100 g, so a 175 g slice delivers 66.9 g and a 90 g cupcake 34.4 g. Most of the carbs in lemon cake are sugars from the batter, the glaze or the frosting. If you watch added sugar, this is the number that matters most on the label.
Sodium surprises people in sweet baked goods. Lemon cake carries 304 mg per 100 g, so one slice holds 532 mg, which is 23% of the daily value of 2300 mg. A cupcake brings 274 mg, or 12%. Baking powder, baking soda and salted butter all add to it.
Two slices push sodium to 1,064 mg, and three slices to 1,596 mg. If you watch sodium, count cake the same way you count bread or savory snacks rather than treating it as a free item.
How to fit lemon cake into a day
The simplest move is portion control: a cupcake at 305 calories or a thin slice instead of the 593-calorie wedge. Sharing a slice is another easy way to keep the treat and lose half the calories.
Because lemon cake offers little protein or fiber, it fits best after a meal that already supplied both, such as one built around lean protein, vegetables and whole grains. Eaten alone mid-afternoon, it tends to leave you hungry again soon.
Unsweetened coffee or tea is a better partner than a sweet latte, which stacks more sugar on top of the cake. Fresh berries on the side add volume and color for few calories.
How does lemon cake compare?
Here is how lemon cake stacks up against fruit cake, carrot cake and coffee cake, per 100 g and per usual serving.
Verdict: For the lowest calorie hit per serving, pick fruit cake at 139 calories for a 43 g piece, or coffee cake at 257 calories, both far below a 593-calorie lemon cake slice. Avoid carrot cake if you are counting, since its 200 g slice reaches 748 calories and 374 per 100 g.
Most popular lemon cake brands in the United States
A 175 g slice has 593 calories. A lemon cupcake of 90 g has 305 calories.
Is lemon cake good for weight loss?
One 175 g slice is 593 calories, while the 90 g cupcake version is 305. Per 100 g lemon cake is 339 calories, a little above fruit cake at 324.
Lemon cake vs carrot cake: which has more calories?
Carrot cake is higher at 374 calories per 100 g against 339 for lemon cake, a gap of 35 calories per 100 g.
How much sugar is in lemon cake?
Lemon cake has 38.2 g of sugar per 100 g, so a 175 g slice has 66.9 g and a 90 g cupcake has 34.4 g.
How many calories are in 100 g of lemon cake?
Lemon cake has 339 calories per 100 g. That amount carries 51.9 g of carbs, 38.2 g of sugar, 13.5 g of fat and only 2.4 g of protein, with 304 mg of sodium.
How many calories are in a lemon cupcake?
A 90 g lemon cupcake has 305 calories, about 15% of the daily value. It also holds 34.4 g of sugar, 12.2 g of fat and 274 mg of sodium, roughly half of a full 175 g slice.
How many calories are in two slices of lemon cake?
Two 175 g slices of lemon cake add up to 1,187 calories. They also carry 1,064 mg of sodium and just 8.5 g of protein, so a second slice doubles the cost with little added fullness.
Is lemon cake healthy?
Lemon cake is a treat, not a nutritious food: one slice has 593 calories, 66.9 g of sugar and 0.7 g of fiber. Protein covers only 8% of the daily value, so it works best as an occasional dessert.
How much sodium is in a slice of lemon cake?
A 175 g slice of lemon cake contains 532 mg of sodium, which is 23% of the daily value. Per 100 g it has 304 mg, more than many people expect from a sweet cake.
