How the Weight Converter Works
This converter calculates exact mass and weight conversions across both metric (micrograms, milligrams, grams, kilograms) and US customary / Imperial units (ounces, pounds).
1 Pound (lb) = 453.59237 Grams (g) [Exact] 1 Ounce (oz) = 28.349523125 Grams (g) [Exact] Under the 1959 International Yard and Pound Agreement, 1 pound is defined as exactly 453.59237 grams. Every metric and imperial conversion used in this calculator derives directly from this exact standard without approximation.
Common Weight Conversion Reference Chart
Base values relative to common standard units:
| Unit | Equivalent in Grams (g) | Equivalent in Pounds (lb) |
|---|---|---|
| 1 Microgram (µg / mcg) | 0.000001 g | 0.0000000022046 lb |
| 1 Milligram (mg) | 0.001 g | 0.0000022046 lb |
| 1 Gram (g) | 1 g | 0.00220462 lb |
| 1 Ounce (oz) | 28.3495 g | 0.0625 lb (1/16 lb) |
| 1 Kilogram (kg) | 1,000 g | 2.20462 lb |
| 1 Pound (lb) | 453.592 g | 1 lb |
Frequently Asked Questions
How do I convert kilograms to pounds?
To convert kilograms to pounds, divide the weight in kg by 0.45359237 (or multiply by ~2.20462). For example, 10 kg ÷ 0.45359237 = 22.046 lbs.
What is the difference between mcg and µg?
There is no difference. "mcg" is the plain text version of the symbol "µg" (microgram), used frequently on pharmaceutical labels to avoid display errors with the Greek letter mu (µ).
Are these conversion calculations exact?
Yes. All conversions rely on the international standard factor where 1 pound equals precisely 453.59237 grams.