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Convertitive

US cups to Teaspoons Converter

1 cup = 48 tsp

1 US cup equals 48 teaspoons. To convert US cups to teaspoons, multiply the US cup value by 48. For quick reference: 1 cup = 48 tsp, 5 cup = 240 tsp, 10 cup = 480 tsp, 100 cup = 4800 tsp.

48
FormulaTeaspoons = US cups × 48
Quick

How to convert US cups to teaspoons

  1. Take your value

    Start with your value in US cups.

  2. Multiply by 48

    Multiply the US cup value by 48. This is the exact conversion factor from US cups to teaspoons.

  3. Read the result

    The product is your value in teaspoons. For example, 5 cup × 48 = 240 tsp.

Conversion formula

The exact factor from US cups to teaspoons is 48.

Teaspoons = US cups × 48

US cups to Teaspoons conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from US cups to teaspoons
US cups (cup)Teaspoons (tsp)
0.1 cup4.8 tsp
0.25 cup12 tsp
0.5 cup24 tsp
1 cup48 tsp
1.5 cup72 tsp
2 cup96 tsp
2.5 cup120 tsp
3 cup144 tsp
4 cup192 tsp
5 cup240 tsp
6 cup288 tsp
7 cup336 tsp
8 cup384 tsp
9 cup432 tsp
10 cup480 tsp
12 cup576 tsp
15 cup720 tsp
20 cup960 tsp
25 cup1200 tsp
30 cup1440 tsp
40 cup1920 tsp
50 cup2400 tsp
60 cup2880 tsp
75 cup3600 tsp
100 cup4800 tsp
125 cup6000 tsp
150 cup7200 tsp
200 cup9600 tsp
250 cup12000 tsp
300 cup14400 tsp
400 cup19200 tsp
500 cup24000 tsp
600 cup28800 tsp
750 cup36000 tsp
1000 cup48000 tsp
1500 cup72000 tsp
2000 cup96000 tsp
2500 cup120000 tsp
3000 cup144000 tsp
4000 cup192000 tsp
5000 cup240000 tsp
7500 cup360000 tsp
10000 cup480000 tsp
15000 cup720000 tsp
20000 cup960000 tsp
25000 cup1200000 tsp
30000 cup1440000 tsp
40000 cup1920000 tsp
50000 cup2400000 tsp
100000 cup4800000 tsp

Real-world reference

A standard US recipe cup of water is about 237 mL. Most US recipes call for cups; weighing in grams is more reliable. In teaspoons, that gives you: 1 cup = 48 tsp, 10 cup = 480 tsp, 100 cup = 4800 tsp.

Frequently asked questions

How many teaspoons are in 1 US cup?
1 US cup equals 48 teaspoons.
How do I convert US cups to teaspoons?
Multiply the US cup value by 48. So x cup × 48 = the equivalent in tsp.
What is 5 US cups in teaspoons?
5 US cups equals 240 teaspoons.
What is 10 US cups in teaspoons?
10 US cups equals 480 teaspoons.
What is 100 US cups in teaspoons?
100 US cups equals 4800 teaspoons.
How do I convert back from teaspoons to US cups?
Multiply the teaspoon value by 0.0208333. For example, 1 tsp = 0.0208333 cup.
Is the US cup bigger than the teaspoon?
Yes. 1 US cup is larger than 1 teaspoon — specifically 48 times larger.
Are these conversion factors exact?
Yes. The factor of 48 is derived directly from the SI definitions of US cup and teaspoon.

About the US cup and the teaspoon

The US cup

The US legal cup, as used in nutrition labels, equals exactly 240 mL; the US customary cup, used in recipes, equals 236.5882365 mL (half a US liquid pint, or 8 US fluid ounces). Convertitive uses the customary value, which matches how most US cookbooks specify quantities. UK and Australian metric cups are 250 mL — yet another small but consequential difference.

The teaspoon

The US teaspoon equals 1/3 of a US tablespoon, or about 4.929 mL. The metric teaspoon (used on most non-US nutrition labels) is exactly 5 mL — close enough that you can substitute freely in cooking but not in precise dosing.

Related converters

Teaspoons to US cups
tsp → cup
Milliliters to Liters
mL → L
Milliliters to US gallons
mL → gal
Milliliters to US fluid ounces
mL → fl oz
Milliliters to US cups
mL → cup
Milliliters to US pints
mL → pt

Sources