swap_horiz Need milligrams to grams instead?

5 Grams to Milligrams

5 grams equals 5,000 milligrams using the g to mg formula. Scroll down for the full calculation.

5 g = 5,000 mg
g × 1,000 = mg
Try: 4 g to mg 6 g to mg 10 g to mg
5 g is also
5 g = 0.005 kg 5 g = 0.011 lb 5 g = 0.1764 oz 5 g = 0.000787 st 5 g = 0.000005 t
g
5,000 mg

Step-by-Step Calculation

g × 1,000 = mg
  1. Start with 5 g
  2. Multiply by 1,000: 5 × 1,000 = 5,000
  3. Result: 5 g = 5,000 mg

This conversion factor (1,000) is the same for every gram to milligram calculation.

Gram to Milligram Conversion Table

Grams (g) Milligrams (mg)
1 g 1,000 mg
2 g 2,000 mg
5 g 5,000 mg
10 g 10,000 mg
15 g 15,000 mg
20 g 20,000 mg
25 g 25,000 mg
50 g 50,000 mg
75 g 75,000 mg
100 g 100,000 mg
250 g 250,000 mg
500 g 500,000 mg
1,000 g 1,000,000 mg
calculate Gram to Milligram Converter swap_horiz Milligram to Gram Converter functions Gram to Milligram Formula scale All Weight / Mass Conversions

Frequently Asked Questions

5 grams equals 5,000 milligrams.
The formula is: g × 1,000 = mg. See the g to mg formula page for worked examples.
Use the milligrams to grams converter. The reverse formula is: mg ÷ 1,000 = g.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (g × 1,000 = mg) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026