A US tablespoon equals 3 US teaspoons, or about 14.79 milliliters.
Tablespoon to Ounce
Convert Tablespoon to Ounce 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.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
oz = tbsp × 0.5215877783
Results update instantly for Tablespoon to Ounce conversions.
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Formula
oz = tbsp × 0.5215877783
tbsp = oz × 1.917222837
Conversion table
| 1 tbsp | 0.521588 oz |
| 5 tbsp | 2.607939 oz |
| 10 tbsp | 5.215878 oz |
| 20 tbsp | 10.431756 oz |
| 50 tbsp | 26.079389 oz |
| 100 tbsp | 52.158778 oz |
| 500 tbsp | 260.793889 oz |
| 1000 tbsp | 521.587778 oz |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the tablespoon (tbsp). A US tablespoon equals 3 US teaspoons, or about 14.79 milliliters.
What is the destination unit in this conversion?
The destination unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
How do I convert tablespoon to ounce?
Multiply the tablespoon value by 0.5215877783. For example, 10 tbsp × 0.5215877783 = 5.215878 oz.
Is the tablespoon to ounce 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 ounce back to tablespoon?
Yes. Multiply the ounce value by 1.917222837 to get tablespoon.
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About this conversion
This page converts tablespoon (tbsp) to ounce (oz) within the cooking converter.
A US tablespoon equals 3 US teaspoons, or about 14.79 milliliters. An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
The formula is oz = tbsp × 0.5215877783, 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 tablespoon values already converted to ounce.