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Cup to Teaspoon Converter

Convert cups to teaspoons online. 1 cup = 48 tsp. Free, instant Cup-to-Teaspoon converter. Works both ways with a formula and reference table.

Cup → Teaspoon

1 cup = 48 tsp

Cup to Teaspoon conversion table

Cup (cup)Teaspoon (tsp)
1 cup48 tsp
2 cup96 tsp
5 cup240 tsp
10 cup480 tsp
25 cup1200 tsp
50 cup2400 tsp
100 cup4800 tsp
  • Instant, live Cup ↔ Teaspoon conversion
  • Accurate to the exact conversion factor
  • Converts in both directions
  • Reference table of common values
  • 100% private — runs entirely in your browser
  • Free, no sign-up, works offline

How to use the Cup to Teaspoon Converter

  1. 1

    Type the number of cups in the first box.

  2. 2

    Read the equivalent value in teaspoons instantly in the second box.

  3. 3

    Or type a Teaspoon value to convert back to cups — it works both ways.

  4. 4

    Copy the result, or check the reference table for common conversions.

About the Cup to Teaspoon Converter

The ByteTools Cup to Teaspoon Converter changes cups into teaspoons instantly. One Cup equals 48 Teaspoons (tsp), and the tool applies that exact factor as you type so you get a precise answer every time.

Volume conversions are everyday tasks in cooking and baking, chemistry, fuel and drinks, bridging metric litres and US customary cups and gallons. Everything is calculated locally in your browser — nothing is uploaded — so it is fast, private and works offline. Enter a number in either box to convert both ways, and use the table for common Cup-to-Teaspoon values at a glance.

Frequently asked questions

How many Teaspoons are in a Cup?

One Cup equals 48 Teaspoons (tsp). To convert, multiply the number of Cups by 48. For example, 10 Cups = 480 Teaspoons.

What is the formula to convert Cups to Teaspoons?

Multiply the Cup value by 48 to get Teaspoons. In symbols, tsp = cup × 48. This converter applies the exact factor automatically so you never round by hand.

How do I convert Teaspoons back to Cups?

Divide by 48, or multiply by 0.02083333. You can also use our Teaspoon to Cup converter for the reverse direction — it uses the same exact factor.

Is this Cup to Teaspoon converter free and private?

Yes. The conversion runs entirely in your browser with JavaScript — nothing you type is uploaded, logged or stored. It is completely free, needs no sign-up and keeps working offline once loaded.

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