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Convert grams to milligrams

1 gram = 1,000 milligrams

milligrams = grams × 1,000

One gram is 1,000 milligrams, so multiply by 1,000 to convert. That factor is exact by definition.

Convert any value

Try an example
Kilograms
0.001 kg
Grams
1 g
Milligrams
1,000 mg
Metric tons (tonnes)
0.000001 t
Pounds
0.002205 lb
Ounces
0.035274 oz
Stone
0.000157 st
US (short) tons
0.000001 ton
Assumptions
  • Ounces and pounds are avoirdupois, not troy.
  • 'Ton' is the US short ton (2,000 lb); 't' is the metric tonne.
Common weight conversions
FromEquals
1 ounce28.3495 g
1 pound16 oz = 453.592 g = 0.453592 kg
1 stone14 lb = 6.35029 kg
1 US ton (short)2,000 lb = 907.185 kg
1 UK ton (long)2,240 lb = 1,016.05 kg
1 gram0.035274 oz
1 kilogram2.20462 lb = 35.274 oz = 0.157473 st
1 metric ton (tonne)1,000 kg = 2,204.62 lb = 1.10231 US tons
Body weight: pounds, kilograms and stone
lbkgstone
10045.47 st 2 lb
11049.97 st 12 lb
12054.48 st 8 lb
130599 st 4 lb
14063.510 st 0 lb
1506810 st 10 lb
16072.611 st 6 lb
17077.112 st 2 lb
18081.612 st 12 lb
19086.213 st 8 lb
20090.714 st 4 lb
22099.815 st 10 lb
250113.417 st 12 lb

grams to milligrams table

gramsmilligrams
1 gram1,000 milligrams
2 grams2,000 milligrams
3 grams3,000 milligrams
4 grams4,000 milligrams
5 grams5,000 milligrams
10 grams10,000 milligrams
15 grams15,000 milligrams
20 grams20,000 milligrams
25 grams25,000 milligrams
50 grams50,000 milligrams
75 grams75,000 milligrams
100 grams100,000 milligrams
500 grams500,000 milligrams
1,000 grams1,000,000 milligrams

Other conversions

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1 gram = 1,000 milligrams. Source: https://www.calculateitnow.dev/grams-to-mg