Milligrams ↔ Grams Converter
Convert between milligrams and grams instantly
Enter milligrams value to convert to grams
Enter grams value to convert to milligrams
Conversion Result
1000 mg = 1 gram
1 gram • 0.001 kg • 0.035 ounces
📚 Milligrams ↔ Grams Conversion Details
Milligrams to Grams Formula
grams = milligrams ÷ 1000
To convert milligrams to grams, divide the milligrams by 1000.
Grams to Milligrams Formula
milligrams = grams × 1000
To convert grams to milligrams, multiply the grams by 1000.
Bidirectional Conversion
This converter works both ways simultaneously:
- Type in milligrams → grams updates automatically
- Type in grams → milligrams updates automatically
- No buttons to click - works as you type
Common Uses
- Medication dosage
- Food and nutrition labels
- Scientific measurements
- Jewelry weight (gold, silver)
📏 How This Converter Works
This is a bidirectional converter that works in real-time:
- Milligrams → Grams: When you type in the milligrams field, the grams field automatically updates
- Grams → Milligrams: When you type in the grams field, the milligrams field automatically updates
- No swapping needed: Both conversions happen simultaneously
- Real-time: Updates happen as you type, no button clicks required
// Bidirectional Conversion Logic:
grams = milligrams ÷ 1000
milligrams = grams × 1000
// Example 1: Type "1000" in milligrams
grams = 1000 ÷ 1000 = 1
// Example 2: Type "2.5" in grams
milligrams = 2.5 × 1000 = 2500
grams = milligrams ÷ 1000
milligrams = grams × 1000
// Example 1: Type "1000" in milligrams
grams = 1000 ÷ 1000 = 1
// Example 2: Type "2.5" in grams
milligrams = 2.5 × 1000 = 2500
📊 Conversion Table
| Milligrams (mg) | Grams (g) | Common Use |
|---|---|---|
| 100 mg | 0.1 g | Small supplement dose |
| 250 mg | 0.25 g | Common tablet weight |
| 500 mg | 0.5 g | Standard aspirin tablet |
| 1000 mg | 1 g | Base conversion unit |
| 5000 mg | 5 g | Small spice amount |
| 10000 mg | 10 g | Small jewelry piece |
❓ Frequently Asked Questions
Q: How many milligrams are in a gram?
A: There are exactly 1000 milligrams in one gram.
Q: How does the bidirectional conversion work?
A: Both input fields work simultaneously. When you change the milligrams value, grams updates automatically. When you change the grams value, milligrams updates automatically. No swap button needed.
Q: Do I need to click any button to convert?
A: No! The conversion happens automatically as you type in either field.
Q: How accurate is this converter?
A: This converter provides exact calculations up to 6 decimal places for precise measurements.