Cheat Sheets
Updated March 2026
⚖️Weight & Mass Conversion Chart
Quick-reference tables for converting between metric and imperial weight units.
⚡Quick Reference
1 oz = 28.35 g | 1 lb = 453.6 g = 16 oz | 1 kg = 2.205 lbs | 1 stone = 14 lbs = 6.35 kg
Metric Weight Units
| Unit | mg | g | kg |
|---|---|---|---|
| 1 mg | 1 | 0.001 | 0.000001 |
| 1 g | 1,000 | 1 | 0.001 |
| 1 kg | 1,000,000 | 1,000 | 1 |
| 1 metric ton | 1,000,000,000 | 1,000,000 | 1,000 |
Imperial Weight Units
| Unit | oz | lbs | stone |
|---|---|---|---|
| 1 ounce | 1 | 0.0625 | 0.00446 |
| 1 pound | 16 | 1 | 0.0714 |
| 1 stone | 224 | 14 | 1 |
Metric ↔ Imperial Cross-Reference
| Metric | Imperial |
|---|---|
| 1 g | 0.03527 oz |
| 28.35 g | 1 oz |
| 100 g | 3.527 oz |
| 453.6 g | 1 lb |
| 1 kg | 2.205 lbs |
| 6.35 kg | 1 stone |
| 1 metric ton | 2,205 lbs |
Frequently Asked Questions
How many grams in an ounce?
1 ounce = 28.3495 grams. For a quick estimate, multiply ounces by 28.
How many pounds in a kilogram?
1 kilogram = 2.20462 pounds. For a quick estimate, multiply kg by 2.2.
What is a stone in weight?
1 stone = 14 pounds = 6.35 kg. It's commonly used in the UK and Ireland for body weight.
How many ounces in a pound?
16 ounces in 1 pound.