The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
Milligram to Metric teaspoon
Convert Milligram 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 = mg × 0.0002
Results update instantly for Milligram to Metric teaspoon conversions.
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Formula
metric tsp = mg × 0.0002
mg = metric tsp × 5000
Conversion table
| 1 mg | 2e-4 metric tsp |
| 5 mg | 0.001 metric tsp |
| 10 mg | 0.002 metric tsp |
| 20 mg | 0.004 metric tsp |
| 50 mg | 0.01 metric tsp |
| 100 mg | 0.02 metric tsp |
| 500 mg | 0.1 metric tsp |
| 1000 mg | 0.2 metric tsp |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the milligram (mg). The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
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 milligram to metric teaspoon?
Multiply the milligram value by 0.0002. For example, 10 mg × 0.0002 = 0.002 metric tsp.
Is the milligram 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 milligram?
Yes. Multiply the metric teaspoon value by 5000 to get milligram.
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About this conversion
This page converts milligram (mg) to metric teaspoon (metric tsp) within the cooking converter.
The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives. A metric teaspoon is defined as exactly 5 milliliters.
The formula is metric tsp = mg × 0.0002, 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 milligram values already converted to metric teaspoon.