CupMath

Recipe Thirds Chart

Scaling a recipe down to a third? This chart gives one-third of every common measurement, with the exact cups and spoons to use for each result. Click any row for measuring methods, gram weights, and ml conversions.

Cups

OriginalA thirdMeasure it as
⅛ cup1/24 cup2 tsp
¼ cup1⁄12 cup1 tbsp + 1 tsp
⅓ cup1/9 cup1 tbsp + 2 tsp + 1/4 tsp + 1/8 tsp *
⅜ cup⅛ cup2 tbsp
½ cup⅙ cup2 tbsp + 2 tsp
⅝ cup5/24 cup3 tbsp + 1 tsp
⅔ cup2/9 cup3 tbsp + 1 tsp + 1/2 tsp + 1/8 tsp *
¾ cup¼ cup1/4 cup
⅞ cup7/24 cup1/4 cup + 2 tsp
1 cup⅓ cup1/3 cup
1¼ cups5/12 cup1/3 cup + 1 tbsp + 1 tsp
1⅓ cups4/9 cup1/3 cup + 1 tbsp + 2 tsp + 1/4 tsp + 1/8 tsp *
1½ cups½ cup1/2 cup
1⅔ cups5/9 cup1/2 cup + 2 tsp + 1/2 tsp + 1/8 tsp *
1¾ cups7/12 cup1/3 cup + 4 tbsp
2 cups⅔ cup2/3 cup
2¼ cups¾ cup3/4 cup
2½ cups⅚ cup1/3 cup + 8 tbsp
2¾ cups11/12 cup2/3 cup + 4 tbsp
3 cups1 cup1 cup
3½ cups1⅙ cups1 cup + 2 tbsp + 2 tsp
4 cups1⅓ cups1 cup + 1/3 cup

Tablespoons

OriginalA thirdMeasure it as
½ tablespoon⅙ tablespoon1/2 tsp
1 tablespoon⅓ tablespoon1 tsp
1½ tablespoons½ tablespoon1 tsp + 1/2 tsp
2 tablespoons⅔ tablespoon2 tsp
3 tablespoons1 tablespoon1 tbsp
4 tablespoons1⅓ tablespoons1 tbsp + 1 tsp
5 tablespoons1⅔ tablespoons1 tbsp + 2 tsp
6 tablespoons2 tablespoons2 tbsp
8 tablespoons2⅔ tablespoons2 tbsp + 2 tsp

Teaspoons

OriginalA thirdMeasure it as
¼ teaspoon1⁄12 teaspoon1/8 tsp *
½ teaspoon⅙ teaspoon1/8 tsp *
¾ teaspoon¼ teaspoon1/4 tsp
1 teaspoon⅓ teaspoon1/4 tsp + 1/8 tsp *
1½ teaspoons½ teaspoon1/2 tsp
2 teaspoons⅔ teaspoon1/2 tsp + 1/8 tsp *
2½ teaspoons⅚ teaspoon3/4 tsp + 1/8 tsp *
3 teaspoons1 teaspoon1 tsp

Sticks of butter

OriginalA thirdMeasure it as
½ stick of butter⅙ stick of butter1 tbsp + 1 tsp
1 stick of butter⅓ stick of butter2 tbsp + 2 tsp
1½ sticks of butter½ stick of butter1/4 cup
2 sticks of butter⅔ stick of butter1/3 cup

* rounded to the nearest measurable spoon

Cutting in thirds tips

Other charts