grams to mg
1 gram (g) equals 1 mg (mg). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 克转毫克
Conversion factor
1 g = 1 mg
Reverse: 1 mg = 1 g
grams to mg converter
grams（g）
mg（mg）
g to mg conversion table
| g | mg | Detail |
|---|---|---|
| 0.1 | 0.1 | 0.1 g to mg |
| 0.25 | 0.25 | 0.25 g to mg |
| 0.5 | 0.5 | 0.5 g to mg |
| 1 | 1 | 1 g to mg |
| 2 | 2 | 2 g to mg |
| 5 | 5 | 5 g to mg |
| 10 | 10 | 10 g to mg |
| 20 | 20 | 20 g to mg |
| 25 | 25 | 25 g to mg |
| 50 | 50 | 50 g to mg |
| 100 | 100 | 100 g to mg |
| 250 | 250 | 250 g to mg |
| 500 | 500 | 500 g to mg |
How to convert
To convert grams to mg, multiply: mg = g × 1
To convert mg to grams, divide: g = mg ÷ 1 (equivalently × 1).
Example: 1 gram × 1 = 1 mg. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
Frequently asked questions
1 gram = 1 mg. The formula is: value in grams × 1 = value in mg. Use the converter above to convert any value instantly.
1 mg = 1 grams. To convert back, divide the mg value by 1 (or multiply by 1).
mg = grams × 1; conversely grams = mg ÷ 1. For example, 1 gram × 1 = 1 mg. The factor comes from the international definition of the units.
More conversions
mg to gkg to lblb to kgkg to jinjin to kglb to jing to ozoz to gt to jing to kgkg to gt to kgkg to tjin to gg to jinliang to gg to liangqian to goz to jinoz to lblb to ozst to kgkg to stdan to kgg to lbmg to gmg to kgkg to mgµg to mgmg to µgµg to gg to µgct to gg to ctozt to gg to oztoz to oztozt to ozgr to gg to gr
Disclaimer: conversion factors are derived from international unit definitions and results are for reference only. For trade settlement, engineering or legal documents, follow the contract or official metrology standards.