An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
Ounce to Metric teaspoon
Convert Ounce to Metric teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
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 = oz × 5.669904625
Results update instantly for Ounce to Metric teaspoon conversions.
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Formula
metric tsp = oz × 5.669904625
oz = metric tsp × 0.1763698097
Conversion table
| 1 oz | 5.669905 metric tsp |
| 5 oz | 28.349523 metric tsp |
| 10 oz | 56.699046 metric tsp |
| 20 oz | 113.398093 metric tsp |
| 50 oz | 283.495231 metric tsp |
| 100 oz | 566.990463 metric tsp |
| 500 oz | 2834.952313 metric tsp |
| 1000 oz | 5669.904625 metric tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
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 ounce to metric teaspoon?
Multiply the ounce value by 5.669904625. For example, 10 oz × 5.669904625 = 56.699046 metric tsp.
Is the 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 ounce?
Yes. Multiply the metric teaspoon value by 0.1763698097 to get ounce.
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About this conversion
This page converts ounce (oz) to metric teaspoon (metric tsp) within the cooking converter.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes. A metric teaspoon is defined as exactly 5 milliliters.
The formula is metric tsp = oz × 5.669904625, 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 ounce values already converted to metric teaspoon.