Lemon juice substitute

Sauces, wine and pantry liquids · Checked against 3 sources · Updated November 4, 2026

Quick answer

Use half as much vinegar as lemon juice: half a teaspoon of vinegar for 1 teaspoon of lemon juice. Vinegar is sharper and has no lemon aroma, so it fits baking and marinades better than lemonade or dressings. A medium lemon gives 2 to 3 tablespoons of juice.

How much do you need?

Fractions work: 1 1/2, ¾, 0.5. The amounts below update as you type.

What to use

  1. Vinegar

    • Vegan
    • Dairy-free
    • Gluten-free
    • Nut-free
    • Egg-free
    • ½ tsp 2.5 ml vinegar
    Best for
    Baking soda reactions, marinades, buttermilk swaps.
    What changes
    Sharper. No citrus flavor.
    Skip it when
    Lemon curd, lemonade, fresh dressings.

Diet labels describe the ingredients as normally made. Check packages for gluten and allergens. Some refined sugar is filtered with bone char, which matters if you eat vegan.

Which swap for which job

UsePickWhy
BakingVinegarThe acid does the work.
Dressings and finishingReal lemonFlavor matters.

Do not substitute here

  • Curd and lemonade. Vinegar.

Questions

How much juice is in a lemon?

A medium lemon gives 2 to 3 tablespoons juice and 1 to 2 teaspoons zest.

Sources

Ratios come from these sources, in our words. Where they disagree, we say so or pick the amount that matches tested results. Ratios are a starting point. Taste and adjust.