Gram to Milligram Converter
免费重量转换器, 即时换算千克、磅、盎司、英石和克
1Gram=1000Milligram
1 Milligram = 0.001 Gram
Gram
- Symbol
- g
- System
- Metric/Imperial
- Dimension
- Various
Milligram
- Symbol
- mg
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Gram | Milligram | Milligram | Gram |
|---|---|---|---|
| 1 | 1000 | 1 | 0.001 |
| 2 | 2000 | 2 | 0.002 |
| 3 | 3000 | 3 | 0.003 |
| 5 | 5000 | 5 | 0.005 |
| 10 | 10000 | 10 | 0.01 |
| 25 | 25000 | 25 | 0.025 |
| 50 | 50000 | 50 | 0.05 |
| 100 | 100000 | 100 | 0.1 |
| 500 | 500000 | 500 | 0.5 |
| 1000 | 1000000 | 1000 | 1 |
Conversion Formula
Milligram = Gram × 1000
Gram = Milligram × 0.001
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 1000.
How to convert Gram to Milligram
Multiply the value in gram by 1000 to get milligram. For example, 5 Gram = 5000 Milligram. All results in the 重量和质量 converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 1000 too early — keep full precision until the final display. For 重量和质量, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Milligram in 1 Gram?
- 1 Gram = 1000 Milligram.
- How many Gram in 1 Milligram?
- 1 Milligram = 0.001 Gram.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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