How to Convert mg to g: Complete Guide

Converting from mg to g is a common task in cooking recipes, fitness tracking, shipping and logistics, and medical dosages. Whether you need a quick answer or want to understand the math behind the conversion, this guide covers everything you need.

Quick Answer

**1 mg = 1.000e-3 g**. To convert any value from mg to g, multiply by 1.000e-3.

The Conversion Formula

The formula is straightforward: **g = mg × 1.000e-3**. For the reverse conversion, divide by 1.000e-3 instead: **mg = g ÷ 1.000e-3**.

Common Conversion Table

Here are the most commonly needed conversions: - 0.1 mg = 1.000e-4 g - 0.5 mg = 5.000e-4 g - 1 mg = 1.000e-3 g - 2 mg = 2.000e-3 g - 3 mg = 3.000e-3 g - 5 mg = 5.000e-3 g - 10 mg = 1.000e-2 g - 15 mg = 0.015 g - 20 mg = 0.02 g - 25 mg = 0.025 g - 50 mg = 0.05 g - 100 mg = 0.1 g - 250 mg = 0.25 g - 500 mg = 0.5 g - 1000 mg = 1 g

When You Need This Conversion

This conversion is commonly needed in cooking recipes, fitness tracking, shipping and logistics, and medical dosages. Understanding the relationship between mg and g helps you work efficiently across different measurement systems and standards.

Tips for Quick Conversions

Since 1 mg equals 1.000e-3 g, each mg is much smaller than a g. For quick estimates, divide by 1000. For precise results, use our free converter tool.

Use Our Free Converter

Skip the manual math and use our free mg to g converter for instant, accurate results. It includes a conversion table, formula explanation, and related conversions — all optimized for mobile and desktop.