A metric teaspoon is defined as exactly 5 milliliters.
Metric teaspoon to Milligram
Convert Metric teaspoon to Milligram 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.
The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
mg = metric tsp × 5000
Results update instantly for Metric teaspoon to Milligram conversions.
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Formula
mg = metric tsp × 5000
metric tsp = mg × 0.0002
Conversion table
| 1 metric tsp | 5000 mg |
| 5 metric tsp | 25000 mg |
| 10 metric tsp | 50000 mg |
| 20 metric tsp | 100000 mg |
| 50 metric tsp | 250000 mg |
| 100 metric tsp | 500000 mg |
| 500 metric tsp | 2500000 mg |
| 1000 metric tsp | 5000000 mg |
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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 milligram (mg). The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
How do I convert metric teaspoon to milligram?
Multiply the metric teaspoon value by 5000. For example, 10 metric tsp × 5000 = 50000 mg.
Is the metric teaspoon to milligram 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 milligram back to metric teaspoon?
Yes. Multiply the milligram value by 0.0002 to get metric teaspoon.
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About this conversion
This page converts metric teaspoon (metric tsp) to milligram (mg) within the cooking converter.
A metric teaspoon is defined as exactly 5 milliliters. The milligram is one-thousandth of a gram, used for very small ingredient amounts such as spices or additives.
The formula is mg = metric tsp × 5000, 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 milligram.