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⚡ US Fluid Ounces to Imperial Teaspoons: the quick answer
1 fl oz = 4.99605 tsp-uk
1 US fluid ounce equals 4.99605 imperial teaspoons
To convert US fluid ounces to imperial teaspoons, multiply the value by 4.99605.
To go the other way, multiply imperial teaspoons by 0.200158 to get US fluid ounces.
↔ Convert imperial teaspoons to US fluid ounces instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US fluid ounce) ÷ (cubic meters per imperial teaspoon).
📊 US Fluid Ounces to Imperial Teaspoons conversion table
✏️ Worked examples
Convert 25 US fluid ounces to imperial teaspoons
25 fl oz × 4.99605 = 124.901 tsp-uk
Try this example →
Convert 250 US fluid ounces to imperial teaspoons
250 fl oz × 4.99605 = 1,249.01 tsp-uk
Try this example →
📘 About these units
US fluid ounce (fl oz). A US fluid ounce is 29.5735 mL, the unit on American drink and food labels.
Imperial teaspoon (tsp-uk). The British imperial teaspoon is 5.919 mL.
❓ Frequently asked questions
How many imperial teaspoons are in one US fluid ounce?
There are 4.99605 imperial teaspoons in one US fluid ounce.
How do I convert US fluid ounces to imperial teaspoons?
Multiply the number of US fluid ounces by 4.99605. For example, 10 US fluid ounces equal 49.9605 imperial teaspoons.
How many US fluid ounces are in one imperial teaspoon?
One imperial teaspoon equals 0.200158 US fluid ounces.
🔗 More volume conversions
All volume units →