Volume

US customary cup to US teaspoon

Convert US customary cup (US cup) to US teaspoon (US tsp).

Result48 US teaspoon (US tsp)

Formula and method

result = value × (0.2365882365 ÷ 0.00492892159375).

The source value is converted to the catalog’s canonical unit, then expressed in the target unit.

Worked examples

These examples use the same conversion engine as the calculator.

  • 1 US cup48 US tsp
  • 5 US cup240 US tsp
  • 10 US cup480 US tsp

Common US customary cup values

US customary cup to US teaspoon reference values
US customary cup (US cup)US teaspoon (US tsp)
148
296
5240
10480
251,200
502,400
1004,800
25012,000
50024,000
1,00048,000

How to convert US customary cup to US teaspoon

  1. Enter a value in US customary cup in the converter above.
  2. The calculator converts it using the catalog’s linear method.
  3. Choose the decimal precision you need,then copy the displayed result if useful.

Frequently asked questions

What is the formula for US customary cup to US teaspoon?

result = value × (0.2365882365 ÷ 0.00492892159375). The source value is converted to the catalog’s canonical unit, then expressed in the target unit.

Can I convert US teaspoon back to US customary cup?

Yes. Use Swap Units when the reverse pair is available in the catalog. The page URL changes to the reverse conversion and the entered value is retained.

Why can a value be rejected?

The engine rejects non-finite values and negative values for units that do not allow them.

How are displayed decimal places chosen?

Use the Decimal precision selector above the result. Very large or very small results switch to scientific notation when that makes the value easier to read.