Milligram to Dalton Converter
Unit Converter
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34 units available
6 categories total
How to Convert Milligram to Dalton
To convert mg to grams: divide by 1,000. To convert mg to grains: multiply by 0.01543.
1 mg = 0.001 g = 10⁻⁶ kg = 1,000 µg. There are 1,000 mg in 1 gram.
For example, 1 Milligram (mg) = 6.022141e+20 Dalton (Da).
Milligram to Dalton — Common Values
| Milligram (mg) | Dalton (Da) |
|---|---|
| 0.1 | 6.022141e+19 |
| 0.5 | 3.011070e+20 |
| 1 | 6.022141e+20 |
| 2 | 1.204428e+21 |
| 5 | 3.011070e+21 |
| 10 | 6.022141e+21 |
| 25 | 1.505535e+22 |
| 50 | 3.011070e+22 |
| 100 | 6.022141e+22 |
| 500 | 3.011070e+23 |
| 1000 | 6.022141e+23 |
About Milligram (mg)
Definition
The milligram is a unit of mass equal to one thousandth of a gram (10⁻³ g) or one millionth of a kilogram.
Mathematical Relationship
1 mg = 0.001 g = 10⁻⁶ kg = 1,000 µg. There are 1,000 mg in 1 gram.
Conversion Formula
To convert mg to grams: divide by 1,000. To convert mg to grains: multiply by 0.01543.
Practical Applications
Drug tablets (e.g., aspirin 325 mg), caffeine content (coffee ~95 mg/cup), sodium on food labels, and gemstone weights.
Interesting Facts
A single grain of sand weighs about 1 mg. The lethal dose of pure caffeine is roughly 10,000 mg (10 g) for an average adult.
Common Mistakes
Confusing mg with mL — milligrams measure mass, milliliters measure volume. They're only equal for water (density = 1 g/mL).
Educational Tips
A standard paper clip weighs about 1,000 mg (1 g). Use this to visualize what a milligram fraction looks like.
About Dalton (Da)
Definition
The dalton is a unit of mass equal to one unified atomic mass unit (1/12 of a carbon-12 atom), approximately 1.661 × 10⁻²⁷ kg.
Mathematical Relationship
1 Da = 1 u = 1.6605390666 × 10⁻²⁷ kg. Proteins range from ~5 kDa to >1,000 kDa.
Conversion Formula
To convert Da to kg: multiply by 1.6605390666 × 10⁻²⁷. 1 kDa = 1,000 Da.
Practical Applications
Protein molecular weights (hemoglobin ≈ 64.5 kDa), DNA fragment sizing, and antibody characterization.
Interesting Facts
Titin, the largest known protein, has a molecular weight of about 3,800 kDa (3.8 MDa). The average protein is ~40–50 kDa.
Common Mistakes
The dalton and u are identical — they're just preferred in different fields (Da in biology, u in chemistry/physics).
Educational Tips
If a paper says a protein is '50 kDa,' that's 50,000 atomic mass units — about 50,000 hydrogen atoms' worth of mass.