Grams to Milligrams Converter

Convert grams to milligrams for precise measurements in medicine and science

Weight Converter
1 gram = 1,000 milligrams
1 milligram = 0.001 grams

Quick Conversions

About Grams & Milligrams

Grams and milligrams are metric units of mass commonly used in medicine, science, and precision measurements.

1 gram = 1,000 milligrams exactly

This conversion is essential for medication dosages, vitamin supplements, chemical measurements, and laboratory work where precision is critical.

Common Applications

Medication Dosages: Converting between tablet strengths and liquid medications

Vitamin Supplements: Understanding supplement labels and daily values

Laboratory Work: Precise chemical measurements and formulations

Jewelry Making: Measuring precious metals and gemstone weights

Conversion Tips

Quick Method:

Multiply grams by 1,000 to get milligrams

Memory Aid:

"Milli" means one-thousandth, so 1 gram = 1,000 milligrams

Common Examples:

• Aspirin tablet: 325 mg = 0.325 g
• Vitamin C: 1000 mg = 1 g
• Teaspoon of salt: ~5 g = 5,000 mg