To convert unsalted butter to salted butter, add ¼ teaspoon of salt per ½ cup (1 stick) of unsalted butter. This ratio is the widely accepted standard among bakers and chefs, as most commercial salted butter contains approximately this amount of salt per stick.

Measurements for Different Amounts

For different quantities of butter, you can use these proportions:

• 1/16 teaspoon of salt for 2 tablespoons of butter
• ⅛ teaspoon of salt for 4 tablespoons (¼ cup) of butter
• ¼ teaspoon of salt for 8 tablespoons (½ cup or 1 stick) of butter
• ½ teaspoon of salt for 1 cup (2 sticks) of butter

Tips for Best Results

For best results, soften your butter to room temperature before adding salt so you can easily incorporate it throughout. If your recipe calls for melted butter, you can melt it first and then whisk in the salt. Use fine-grained salt rather than coarse salt to ensure a smooth texture and even distribution.