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⚡ US Cups to Imperial Teaspoons: the quick answer
1 cup = 39.9684 tsp-uk
1 US cup equals 39.9684 imperial teaspoons
To convert US cups to imperial teaspoons, multiply the value by 39.9684.
To go the other way, multiply imperial teaspoons by 0.0250198 to get US cups.
↔ Convert imperial teaspoons to US cups instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US cup) ÷ (cubic meters per imperial teaspoon).
📊 US Cups to Imperial Teaspoons conversion table
✏️ Worked examples
Convert 25 US cups to imperial teaspoons
25 cup × 39.9684 = 999.209 tsp-uk
Try this example →
Convert 250 US cups to imperial teaspoons
250 cup × 39.9684 = 9,992.09 tsp-uk
Try this example →
📘 About these units
US cup (cup). A US customary cup is 8 fluid ounces (236.588 mL).
Imperial teaspoon (tsp-uk). The British imperial teaspoon is 5.919 mL.
❓ Frequently asked questions
How many imperial teaspoons are in one US cup?
There are 39.9684 imperial teaspoons in one US cup.
How do I convert US cups to imperial teaspoons?
Multiply the number of US cups by 39.9684. For example, 10 US cups equal 399.684 imperial teaspoons.
How many US cups are in one imperial teaspoon?
One imperial teaspoon equals 0.0250198 US cups.
🔗 More volume conversions
All volume units →