Power Calculators

🧪 Imperial Teaspoons to US Cups Converter

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Converted Value
6.25495

Also available in our Android app, with charts and full breakdown tables.

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⚡ Imperial Teaspoons to US Cups: the quick answer

1 tsp-uk = 0.0250198 cup 1 imperial teaspoon equals 0.0250198 US cups

To convert imperial teaspoons to US cups, multiply the value by 0.0250198. To go the other way, multiply US cups by 39.9684 to get imperial teaspoons.

↔ Convert US cups to imperial teaspoons instead

🧮 Formula

Imperial Teaspoons to US Cups
cup = tsp-uk × 0.0250198
US Cups to Imperial Teaspoons
tsp-uk = cup × 39.9684

Where

  • tsp-uk = the volume in imperial teaspoons
  • cup = the volume in US cups
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per imperial teaspoon) ÷ (cubic meters per US cup).

📊 Imperial Teaspoons to US Cups conversion table

Imperial Teaspoons (tsp-uk)US Cups (cup)
1 tsp-uk0.0250198 cup
2 tsp-uk0.0500396 cup
5 tsp-uk0.125099 cup
10 tsp-uk0.250198 cup
20 tsp-uk0.500396 cup
50 tsp-uk1.25099 cup
100 tsp-uk2.50198 cup
500 tsp-uk12.5099 cup
1,000 tsp-uk25.0198 cup

✏️ Worked examples

Convert 25 imperial teaspoons to US cups

25 tsp-uk × 0.0250198 = 0.625495 cup

Try this example →

Convert 250 imperial teaspoons to US cups

250 tsp-uk × 0.0250198 = 6.25495 cup

Try this example →

📘 About these units

Imperial teaspoon (tsp-uk). The British imperial teaspoon is 5.919 mL.

US cup (cup). A US customary cup is 8 fluid ounces (236.588 mL).

❓ Frequently asked questions

How many US cups are in one imperial teaspoon?

There are 0.0250198 US cups in one imperial teaspoon.

How do I convert imperial teaspoons to US cups?

Multiply the number of imperial teaspoons by 0.0250198. For example, 10 imperial teaspoons equal 0.250198 US cups.

How many imperial teaspoons are in one US cup?

One US cup equals 39.9684 imperial teaspoons.