US fluid ounce to US teaspoon Converter
1 fl oz = 6 tsp — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one us fluid ounce equals 6 US teaspoons. So to convert US fluid ounces to US teaspoons, multiply by 6.
How to convert US fluid ounces to US teaspoons
US teaspoons = US fluid ounces × 6
The US fluid ounce is about 29.57 ml — slightly larger than the UK fluid ounce. Eight fluid ounces make a US cup.
The US teaspoon is defined as exactly 4.92892159375 ml — one third of a tablespoon — and anchors small quantities in American recipes.
US fluid ounce to US teaspoon conversion table
| US fluid ounce (fl oz) | US teaspoon (tsp) |
|---|---|
| 0.01 fl oz | 0.06 tsp |
| 0.1 fl oz | 0.6 tsp |
| 0.25 fl oz | 1.5 tsp |
| 0.4 fl oz | 2.4 tsp |
| 0.75 fl oz | 4.5 tsp |
| 1.25 fl oz | 7.5 tsp |
| 1.75 fl oz | 10.5 tsp |
| 2.5 fl oz | 15 tsp |
| 3.5 fl oz | 21 tsp |
| 4.5 fl oz | 27 tsp |
| 6 fl oz | 36 tsp |
| 8 fl oz | 48 tsp |
| 10 fl oz | 60 tsp |
| 12 fl oz | 72 tsp |
| 14 fl oz | 84 tsp |
| 16 fl oz | 96 tsp |
| 18 fl oz | 108 tsp |
| 20 fl oz | 120 tsp |
| 24 fl oz | 144 tsp |
| 26 fl oz | 156 tsp |
| 30 fl oz | 180 tsp |
| 35 fl oz | 210 tsp |
| 45 fl oz | 270 tsp |
| 55 fl oz | 330 tsp |
| 65 fl oz | 390 tsp |
| 75 fl oz | 450 tsp |
| 85 fl oz | 510 tsp |
| 95 fl oz | 570 tsp |
| 110 fl oz | 660 tsp |
| 125 fl oz | 750 tsp |
| 175 fl oz | 1,050 tsp |
| 250 fl oz | 1,500 tsp |
| 350 fl oz | 2,100 tsp |
| 450 fl oz | 2,700 tsp |
| 600 fl oz | 3,600 tsp |
| 750 fl oz | 4,500 tsp |
| 900 fl oz | 5,400 tsp |
| 1,500 fl oz | 9,000 tsp |
| 2,500 fl oz | 15,000 tsp |
| 10,000 fl oz | 60,000 tsp |
Need the opposite direction? Use the US teaspoon to US fluid ounce converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many US teaspoons are in one us fluid ounce?
One us fluid ounce equals 6 US teaspoons. Multiply any us fluid ounce value by 6 to get US teaspoons.
What is 10 US fluid ounces in US teaspoons?
10 US fluid ounces equal 60 US teaspoons (10 × 6).
Is the us fluid ounce to us teaspoon conversion exact?
The conversion factor used here (6) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.