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A quarter of lemon with bright yellow, slightly dimpled rind around pale, juicy flesh divided into translucent segments, with a small central pith.
●Low GI
★Natural

Lemon (Quarter) Calories

Vitamin C source, low calorie, antioxidant

In season: Winter · Spring

CALORIES · 100 G

29kcal

GI

20low

POTASSIUM · 100 G

138mg

FIBER · 100 G

2.8g

Quick answer

1 piece (quarter) of Lemon (Quarter) (20 g) has 6 calories. That works out to 29 calories per 100 g. It contains 1.9 g of carbs, 0.2 g of protein, 0.1 g of fat and 0.6 g of fiber. Its 10.6 mg of Vitamin C covers 12% of the Daily Value. Its glycemic index is 20 (low), so it raises blood sugar slowly.

Lemon (Quarter) Nutrition Facts

Selected: 1 piece (quarter) · 20 g

6

KCAL / 20G

Carbs

1.9g

· 1% DV

Protein

0.2g

· 0% DV

Fat

0.1g

· 0% DV

Fiber

0.6g

· 2% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 82% · Protein 9% · Fat 9%

Lemon (Quarter) nutrition facts table · 1 piece (quarter) (20 g)

NutrientAmount% DV
Calories6 kcal
Total fat0.1 g0%
Saturated fat0.01 g0%
Trans fat0 g
Sodium0.4 mg0%
Total carbohydrate1.9 g1%
Fiber0.6 g2%
Protein0.2 g0%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in ¼ Lemon (Quarter)?

ServingAmountCalories
1 piece (quarter)20 g6 kcal
1 teaspoon (chopped)5 g1 kcal
1 slice (thin)8 g2 kcal
1 tablespoon (chopped)10 g3 kcal
1 tablespoon (jumbo)15 g4 kcal
1 slice (thick)15 g4 kcal
1 piece (half)40 g12 kcal
2 piece (quarter)40 g12 kcal
1 piece (whole)80 g23 kcal
100 g100 g29 kcal

Calculated from 29 calories per 100 g.

Frequently Asked Questions About Lemon (Quarter)

Does lemon water detox your body?

No, lemon water does not detox your body; your liver and kidneys handle that work. Adding lemon can make water taste brighter, but it does not flush out toxins or cleanse your system.

Do lemons need to be refrigerated?

No, lemons do not have to be refrigerated for short-term storage, but they stay fresh longer in the fridge. Keep cut lemon covered and chilled so its exposed flesh does not dry out or absorb odors.

Can you freeze whole lemons?

Yes, you can freeze whole lemons, though thawed lemons become soft and are less suitable for slicing. Freeze them in a sealed bag, then use the softened fruit for juice or cooking.

How much juice does one lemon give you?

The amount of juice varies with the lemon’s size, ripeness, and how firmly you squeeze it. Bring the fruit to room temperature and roll it under your palm first to help release more juice.

Can lemon juice keep cut apples from turning brown?

Yes, lemon juice can slow browning on cut apples because its acidity limits the reaction with air. Toss or brush the exposed surfaces with a little juice; too much can make the apple taste sharply sour.

How do you zest a lemon without a zester?

Use the fine side of a box grater or carefully shave thin strips with a vegetable peeler, then chop them finely. Remove only the yellow outer layer; the white pith underneath tastes bitter.

Why does lemon juice taste bitter?

Lemon juice can taste bitter when crushed seeds or white pith get into it, or when the lemon is heated for a long time. Strain the juice and add it near the end of cooking to keep its flavor fresh.

Can you eat lemon seeds?

Yes, accidentally swallowing a few lemon seeds is generally harmless, but they are hard and bitter. Remove them when preparing juice or food if you want a smoother texture and cleaner flavor.

How should you wash a lemon before zesting it?

Rinse the lemon under running water and rub the peel with clean hands or a produce brush, then dry it. Washing is especially important before zesting because the outer peel goes directly into the food.

Can lemon juice replace vinegar in a recipe?

Yes, lemon juice can replace vinegar in many dressings, marinades, and sauces, but it gives the dish a citrus flavor rather than vinegar’s sharper taste. Add it gradually and adjust to the recipe.

Lemon (Quarter) Vitamins & Minerals

Vitamins

Vitamin C

10.6mg · 12% DV

B6

0.02mg · 1% DV

B5

0.04mg · 1% DV

B1

0.01mg · 1% DV

Minerals

Copper

0.01mg · 1% DV

Potassium ⭐

28mg · 1% DV

Iron

0.12mg · 1% DV

Calcium

5.2mg · 1% DV

Sodium

0.4mg · 0% DV

Lemon (Quarter) Glycemic Index

GLYCEMIC INDEX

20
Low
0 Low5570100

GLYCEMIC LOAD

0.2
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Lemon (Quarter)

To burn the 6 calories in 1 piece (quarter) (20 g):

🚶

1min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Lemon (Quarter)?

A quarter lemon is a small piece of fresh lemon, usually squeezed over food or served alongside it rather than eaten on its own. Around the world, it is a familiar accompaniment to fish, salads, soups and grilled dishes; its juice is also used in dressings, drinks and baking.

Its sharp, tangy juice and fragrant zest brighten rich or savoury flavours. Lemon is low in calories and provides vitamin C. Pair it with vegetables or fish, or add the juice gradually at the table so you can adjust the tartness to taste.

How Nutritious Is Lemon (Quarter)?

Nutrient density

Very high

80/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

53/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Lemon (Quarter) Processed?

NOVA 1

Unprocessed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Lemon (Quarter) Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Lemon (Quarter) Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Lemon (Quarter) Fat Profile

SATURATED

0.01g

MONOUNSATURATED

0g

POLYUNSATURATED

0.02g

Compare Lemon (Quarter)

🍋vs🍓
Lemon (Quarter) vs Strawberry3 kcal fewer per 100 g
→
🍋vs🥑
Lemon (Quarter) vs Avocado131 kcal fewer per 100 g
→
🍋vs🍑
Lemon (Quarter) vs Peach10 kcal fewer per 100 g
→
🍋vs🍇
Lemon (Quarter) vs Dried Raisins270 kcal fewer per 100 g
→

Foods Similar to Lemon (Quarter)

🍓

Strawberry

32 kcal

🥑

Avocado

160 kcal

🍑

Peach

39 kcal

🍇

Dried Raisins

299 kcal

🍎

Apple

52 kcal

🍇

Grapes

69 kcal

🍉

Watermelon

30 kcal

🍍

Pineapple

50 kcal

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Nutrition data compiled from USDA FoodData Central and scientific sources.