Cup (US) to Teaspoon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

48

1 cup = 48 tsp

Formula:

tsp = cup × 48

With your value: 1 cup = 48 tsp

How big is that?

Everyday references on a logarithmic scale, all expressed in cup (us) so you can sanity-check the result.

Milk carton (1/2.4e+2 your value)0.00423 cup

Kitchen bucket (1/24 your value)0.0423 cup

Car fuel tank (1/4.7 your value)0.211 cup

Bathtub (1/1.2 your value)0.845 cup

Your value1.00 cup

Hot tub (6.3× your value)6.34 cup

Other Cup (US) to Teaspoon (US) conversions

2 cup to tsp 3 cup to tsp 4 cup to tsp 5 cup to tsp 6 cup to tsp 7 cup to tsp 8 cup to tsp

Cup (US) to Teaspoon (US) Conversion Table

Cup (US) (cup)	Teaspoon (US) (tsp)
0.5	24
1	48
2	96
5	240
10	480
15	720
20	960
25	1,200
50	2,400
100	4,800
250	12,000
500	24,000
1000	48,000

Teaspoon (US) to Cup (US) Conversion Table

Teaspoon (US) (tsp)	Cup (US) (cup)
0.5	0.010417
1	0.020833
2	0.041667
5	0.104167
10	0.208333
15	0.3125
20	0.416667
25	0.520833
50	1.041667
100	2.083333
250	5.208333
500	10.416667
1000	20.833333

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Cup (US) (cup)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Teaspoon (US) (tsp)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Cup (US) to Teaspoon (US)

To convert from Cup (US) (cup) to Teaspoon (US) (tsp), multiply the value by 48.

Formula: tsp = cup × 48

Reverse: cup = tsp × 0.0208333333

Step-by-Step Example

Start with your value in Cup (US). For example: 5 cup
Multiply by the conversion factor: 5 x 48
The result is: 240 tsp

About Cup (US)

The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.

Common uses: baking, cooking, recipes.

About Teaspoon (US)

The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.

Common uses: cooking, medicine dosage, baking.

Frequently Asked Questions

How many Teaspoon (US) are in 1 Cup (US)?

There are exactly 48 Teaspoon (US) in 1 Cup (US). This means the conversion factor from Cup (US) to Teaspoon (US) is 48.

What is the formula to convert Cup (US) to Teaspoon (US)?

The formula to convert Cup (US) to Teaspoon (US) is: tsp = cup × 48. For example, to convert 10 Cup (US) to Teaspoon (US), you would multiply 10 by 48.

What is a Cup (US)?