A metric teaspoon is defined as exactly 5 milliliters.
Metric teaspoon to Teaspoon
Convert Metric teaspoon to Teaspoon instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Cooking Converter
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 US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
tsp = metric tsp × 1.014420681
Results update instantly for Metric teaspoon to Teaspoon conversions.
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Formula
tsp = metric tsp × 1.014420681
metric tsp = tsp × 0.9857843187
Conversion table
| 1 metric tsp | 1.014421 tsp |
| 5 metric tsp | 5.072103 tsp |
| 10 metric tsp | 10.144207 tsp |
| 20 metric tsp | 20.288414 tsp |
| 50 metric tsp | 50.721034 tsp |
| 100 metric tsp | 101.442068 tsp |
| 500 metric tsp | 507.210341 tsp |
| 1000 metric tsp | 1014.420681 tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the metric teaspoon (metric tsp). A metric teaspoon is defined as exactly 5 milliliters.
What is the destination unit in this conversion?
The destination unit is the teaspoon (tsp). A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
How do I convert metric teaspoon to teaspoon?
Multiply the metric teaspoon value by 1.014420681. For example, 10 metric tsp × 1.014420681 = 10.144207 tsp.
Is the metric teaspoon to 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 teaspoon back to metric teaspoon?
Yes. Multiply the teaspoon value by 0.9857843187 to get metric teaspoon.
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About this conversion
This page converts metric teaspoon (metric tsp) to teaspoon (tsp) within the cooking converter.
A metric teaspoon is defined as exactly 5 milliliters. A US teaspoon is a customary volume unit equal to 4.92892159375 milliliters, commonly used in recipes.
The formula is tsp = metric tsp × 1.014420681, 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 metric teaspoon values already converted to teaspoon.