EVERYDAY
Mass
Mass from laboratory samples to industrial loads.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result1000 mg1 g = 1000 mg
EVERYDAY · ENGINEERING · SCIENCE
g to mg Converter
Convert gram (g) to milligram (mg). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through kilogram
Enter a gram value to calculate milligram with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| microgramfrom g | µg | 1000000 |
| milligramfrom g | mg | 1000 |
| gramfrom g | g | 1 |
| kilogramfrom g | kg | 0.001 |
| metric tonnefrom g | t | 0.000001 |
| kilotonnefrom g | kt | 0.000000001 |
| grainfrom g | gr | 15.4324 |
| ouncefrom g | oz | 0.035274 |
| avoirdupois poundfrom g | lb | 0.00220462 |
| stonefrom g | st | 0.000157473 |
| short tonfrom g | ton US | 0.00000110231 |
| long tonfrom g | ton Imp | 0.000000984207 |
| slugfrom g | slug | 0.0000685218 |
| metric caratfrom g | ct | 5 |
| daltonfrom g | Da | 6.02214e23 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
g to mg Conversion Reference
Gram (g) and milligram (mg) are units of mass. Use this page to convert in either direction.
Conversion Examples
| Gram (g) | Milligram (mg) |
|---|---|
| 1 g | 1000 mg |
| 5 g | 5000 mg |
| 10 g | 10000 mg |
| 100 g | 100000 mg |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
Related Mass Conversions
g to µg (gram to microgram)g to kg (gram to kilogram)g to t (gram to metric tonne)g to kt (gram to kilotonne)g to gr (gram to grain)g to oz (gram to ounce)g to lb (gram to avoirdupois pound)g to st (gram to stone)g to ton US (gram to short ton)g to ton Imp (gram to long ton)g to slug (gram to slug)g to ct (gram to metric carat)g to Da (gram to dalton)