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How many teaspoons is the juice of one lemon?

Lemons are a versatile and healthy citrus fruit that are used in many recipes. Their bright, acidic juice can provide just the right amount of tangy flavor. But when a recipe calls for lemon juice, how do you know how much to use if you are squeezing it fresh? This article will provide the answer to the question “How many teaspoons is the juice of one lemon?”

Determining Lemon Juice Yield

The amount of juice you can get from a lemon can vary based on a few factors:

  • Size of the lemon – Larger lemons tend to yield more juice than smaller ones.
  • Juiciness – Some lemons are juicier and contain more liquid than others.
  • Seed content – Lemons with more seeds may yield slightly less juice.
  • Temperature – Room temperature lemons tend to yield more juice than cold ones.

On average, one medium lemon yields between 2-3 tablespoons of juice. Here is a more precise breakdown:

Lemon Size Juice Yield Range
Small 1 – 2 tablespoons
Medium 2 – 3 tablespoons
Large 3 – 4 tablespoons

As you can see, a medium lemon generally yields 2-3 tablespoons of juice. But how many teaspoons is that equivalent to?

Teaspoons and Tablespoons Conversion

To convert tablespoons of lemon juice to teaspoons, we need to know the equivalent measures:

  • 1 tablespoon = 3 teaspoons
  • 1 teaspoon = 1/3 tablespoon

Using these conversion factors, we can determine how many teaspoons are in 2-3 tablespoons of lemon juice from a medium lemon:

Amount of Juice Teaspoon Equivalent
2 tablespoons 6 teaspoons
3 tablespoons 9 teaspoons

So the juice of one medium lemon equals approximately:

  • 2 tablespoons = 6 teaspoons
  • 3 tablespoons = 9 teaspoons

Therefore, on average, the juice of one medium lemon contains between 6-9 teaspoons of juice.

Lemon Juice Substitutions

If you need lemon juice for a recipe but don’t have any fresh lemons on hand, here are some possible substitutions using items you may already have:

Substitution Ratio
Bottled lemon juice 1 tablespoon bottled juice = 1 tablespoon fresh juice
Vinegar 1/2 tablespoon vinegar = 1 tablespoon lemon juice
Lime juice 1 tablespoon lime juice = 1 tablespoon lemon juice
White wine 1 tablespoon white wine = 1 teaspoon lemon juice

Keep in mind that bottled lemon juice often has a more concentrated, tart flavor compared to fresh squeezed. And substitutes like vinegar or wine will provide acidity but won’t replicate the exact lemony flavor.

Tips for Getting the Most Juice from a Lemon

Here are some tips to help you maximize the amount of juice you get from each lemon:

  • Roll the lemon on a hard surface before juicing – This softens the lemon and breaks down some of the pulp inside so more juice can be released.
  • Juice lemons at room temperature – Lemons should not be cold when squeezed or they won’t yield as much juice.
  • Use a juicer or reamer – A tool specially designed to extract citrus juice will be much more efficient than trying to squeeze it by hand.
  • Squeeze and twist the lemon as you juice – Twisting helps break down the pulp and membranes to release more of the liquid.
  • Strain the juice after squeezing – Pour it through a fine mesh strainer to separate out any seeds or pulp.

Lemon Juice Nutrition Facts

Lemon juice is low in calories but provides a good amount of vitamin C:

Nutrient 1 Tablespoon Lemon Juice
Calories 4
Carbohydrates 1.1 g
Sugar 0.7 g
Vitamin C 3.7 mg (4% DV)
Citric Acid 0.44 g

Lemon juice also contains small amounts of potassium, magnesium, calcium and vitamin A.

Uses for Lemon Juice

Lemon juice has many uses in recipes as well as around the home. Here are some of the most common ways it is used:

  • Baking: Adds bright flavor to cakes, cookies, muffins, scones. Can be used to make lemon curd or lemon glaze.
  • Marinades: Helps tenderize meat and add flavor to chicken, fish, pork or beef.
  • Dressings: Key ingredient in vinaigrettes, creamy dressings, marinades.
  • Sauces: Found in hollandaise, béarnaise, lemon butter sauce.
  • Beverages: Adds flavor to lemonade, iced tea, cocktails, smoothies.
  • Cleaning: Removes stains, disinfects, deodorizes.
  • Preserving: Can be used to preserve or pickle foods.

Lemon juice is endlessly versatile in sweet and savory recipes as well as around the home. Just remember that on average, one lemon yields 2-3 tablespoons or 6-9 teaspoons of fresh juice.

Frequently Asked Questions

1. Does lemon juice go bad?

Yes, lemon juice will eventually go bad, although it lasts longer than lemons themselves. Juice from fresh lemons will usually stay good for up to a week when refrigerated in an airtight container. Opened bottled lemon juice can be refrigerated for 6-9 months.

2. Is bottled lemon juice as good as fresh?

Bottled lemon juice maintains the tangy, sour flavor but lacks the fresh taste and aroma of juice squeezed from lemons. It also has a more concentrated, acidic taste compared to fresh. For recipes where lemon flavor is a key component, fresh is better.

3. How long do lemons last at room temperature?

Whole lemons can be kept at room temperature for up to 1 week before they start to spoil. Keeping them on the counter preserves juiciness compared to the fridge. Refrigerating lemons in a plastic bag extends shelf life to 2-3 weeks.

4. What’s the best way to juice a lemon?

For maximum juice, roll lemons on a hard surface before squeezing to soften them up. Use a juicer or citrus reamer and squeeze while twisting. Strain juice through a fine mesh sieve to remove any seeds or pulp.

5. Can you freeze lemon juice?

Yes, lemon juice can be frozen for up to 6 months. To freeze, first strain out pulp and seeds. Pour juice into ice cube trays or jars, leaving headspace. Thaw cubes in the fridge or use in cooking and baking.


From dressings and marinades to cleaning solutions and air fresheners, lemon juice is an endlessly versatile ingredient every kitchen should have on hand. On average, one medium lemon yields between 2-3 tablespoons or 6-9 teaspoons of juice. With proper storage, lemon juice can be kept in the refrigerator for up to a week to preserve that bright, fresh flavor. So the next time a recipe calls for the juice of a lemon, you’ll know exactly how much you need.