Ounce to Milligram Converter

Convert between ounces and milligrams for cooking, pharmacy, jewelry, and scientific measurements

Ounces (oz)

1 oz = 28,349.5 mg

Milligrams (mg)

1 mg = 0.000035274 oz

Enter a value to see the conversion result

Weight Scale Reference

Ounces	⇔	Milligrams
0.001 oz	⇔	28.35 mg
0.01 oz	⇔	283.5 mg
0.1 oz	⇔	2,835 mg
1 oz	⇔	28,350 mg
2 oz	⇔	56,700 mg
8 oz	⇔	226,800 mg

Practical Applications

Pharmacy & Medicine:
• Aspirin tablet: 325 mg (0.011 oz)
• Vitamin C: 1000 mg (0.035 oz)
• Prescription dose: 5-50 mg
• Daily supplements: 100-2000 mg

Cooking & Baking:
• Salt pinch: 300-400 mg
• Spice powder: 1-2 oz (28,000-57,000 mg)
• Vanilla extract: 0.25 oz (7,087 mg)
• Food coloring: 1-5 mg per serving

Jewelry & Precious Metals:
• Gold earring: 1-3 oz (28,000-85,000 mg)
• Silver ring: 0.1-0.5 oz (2,800-14,000 mg)
• Diamond: 100-500 mg (carat weight)
• Watch components: 1-100 mg

Weight Units

Ounce: Imperial weight unit
Milligram: Metric weight unit
Conversion: 1 oz = 28,349.5 mg
Precision: 5 decimal places

Usage Tips

mg for precise dosing
oz for cooking portions
Large conversion factor
Medical accuracy needed

Applications

Medical: Drug dosages
Culinary: Recipe scaling
Jewelry: Precious metals
Science: Laboratory work