Teaspoons to Cups Converter
Unit ConversionConvert teaspoons to cups: 1 teaspoon is about 0.0208333 cups. With a conversion table, the formula and every related volume converter.
Cups
Equivalent volume in cups
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Unit Conversion calculators
This calculator converts a volume in teaspoons to US cups using the exact ratio set by the US customary definitions, explained in the section below. One teaspoon is defined as exactly one 768th of a US gallon, and one cup as exactly one sixteenth of a gallon, so this conversion carries no rounding at all.
Recipes and dosing instructions sometimes give a total in teaspoons that is easier to measure out with a standard measuring cup once it is large enough, and converting back to cups avoids counting out a long series of individual teaspoons. This is especially useful when scaling up a small recipe originally written in teaspoon amounts.
For the reverse direction, converting cups back into teaspoons, or converting teaspoons into tablespoons or milliliters instead, see the related converters below.
Teaspoons to Cups Conversion Table
This table covers common teaspoon totals from small recipes and dosing instructions.
| Teaspoons | Cups |
|---|---|
| 6 tsp | 0.125 cups |
| 12 tsp | 0.25 cups |
| 24 tsp | 0.5 cups |
| 36 tsp | 0.75 cups |
| 48 tsp | 1 cup |
| 72 tsp | 1.5 cups |
| 96 tsp | 2 cups |
| 144 tsp | 3 cups |
| 192 tsp | 4 cups |
The Teaspoons to Cups Formula
To convert teaspoons to cups, divide the teaspoon value by 48. For example, 72 teaspoons divided by 48 equals 1.5 cups.
To go the other way, use the Cups to Teaspoons converter below instead, which multiplies by 48 for you. For example, 1.5 cups times 48 equals 72 teaspoons.
How Many Teaspoons Are in a Cup, Exactly?
A US cup holds exactly 48 teaspoons: 16 tablespoons, each equal to exactly 3 teaspoons. Because this chain of definitions is exact, converting a large teaspoon count all the way up to cups never introduces rounding error, unlike a metric-to-US volume conversion.
A Faster Two-Step Conversion for Large Teaspoon Totals
For a large teaspoon count, it is often easier to divide by 3 first to get tablespoons, then divide by 16 to get cups, rather than dividing by 48 directly. Both methods give the identical result, since 3 times 16 equals 48, and the Tablespoons to Cups converter below handles that middle step directly.
For small amounts of a dry or sticky ingredient, the Teaspoons to Grams Converter gives the weight of a teaspoon of water, milk, flour, sugar, honey, or butter. Baking recipes often give flour or sugar by weight, and the Cups to Grams Converter turns a cup measure into grams for common baking ingredients. When a recipe mixes several units, the Cooking Unit Converter converts teaspoons, tablespoons, cups, fluid ounces, and milliliters from one box.
Frequently Asked Questions
How many cups is 7 teaspoons?
About 0.145833 cups.
How many cups is 9 teaspoons?
0.1875 cups.
How many cups is 18 teaspoons?
0.375 cups.
How many cups is 2.5 teaspoons?
About 0.0520833 cups.
How many cups is 30 teaspoons?
0.625 cups.
Can a teaspoons-to-cups result be negative?
No. A volume can't be below zero, so a negative entry shows a dash instead of a result. A minus sign in front of a value is usually a typing slip.
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