A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
Fluid ounce to Metric teaspoon
Convert Fluid ounce to Metric teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Context values
Some unit families need one extra value for a physically accurate result.
A metric teaspoon is defined as exactly 5 milliliters.
metric tsp = fl oz × 5.914705912
Results update instantly for Fluid ounce to Metric teaspoon conversions.
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Formula
metric tsp = fl oz × 5.914705912
fl oz = metric tsp × 0.1690701135
Conversion table
| 1 fl oz | 5.914706 metric tsp |
| 5 fl oz | 29.57353 metric tsp |
| 10 fl oz | 59.147059 metric tsp |
| 20 fl oz | 118.294118 metric tsp |
| 50 fl oz | 295.735296 metric tsp |
| 100 fl oz | 591.470591 metric tsp |
| 500 fl oz | 2957.352956 metric tsp |
| 1000 fl oz | 5914.705912 metric tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the fluid ounce (fl oz). A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters.
What is the destination unit in this conversion?
The destination unit is the metric teaspoon (metric tsp). A metric teaspoon is defined as exactly 5 milliliters.
How do I convert fluid ounce to metric teaspoon?
Multiply the fluid ounce value by 5.914705912. For example, 10 fl oz × 5.914705912 = 59.147059 metric tsp.
Is the fluid ounce to metric teaspoon conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert metric teaspoon back to fluid ounce?
Yes. Multiply the metric teaspoon value by 0.1690701135 to get fluid ounce.
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About this conversion
This page converts fluid ounce (fl oz) to metric teaspoon (metric tsp) within the cooking converter.
A US fluid ounce is 1/128 of a US gallon, equal to about 29.57 milliliters. A metric teaspoon is defined as exactly 5 milliliters.
The formula is metric tsp = fl oz × 5.914705912, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common fluid ounce values already converted to metric teaspoon.