Convert anything, instantly.
No popups. No autoplay ads. Accurate answers with formulas shown.
Measurement
Weight Conversion Table
Values shown for 1 Kilogram
About Weight Conversions
Global trade, healthcare, and science all depend on accurate mass. The kilogram became the SI base unit, redefined in 2019 against the Planck constant, yet pounds, ounces, and stones still run much of industry. Shipping shows the stakes: a wrong weight on a customs declaration or freight calculation brings fines or delays. Pharmacy and chemistry push the other way, where a milligram off changes a dose or a reaction's stoichiometry. The range below spans atomic mass units used in molecular chemistry up to metric tons used in bulk freight, every factor tied to the NIST Reference on Constants.
| Unit Name | Symbol | Value | Formula |
|---|---|---|---|
| Atomic Mass Unit | u | 6.02214 × 10²⁶ | multiply by 1.66054 × 10⁻²⁷ |
| Carat | ct | 5000 | multiply by 0.0002 |
| Gram | g | 1000 | divide by 1000 |
| Kilogram | kg | 1 | base unit |
| Long Ton | long tn | 0.000984207 | multiply by 1016.0469088 |
| Metric Ton | t | 0.001 | multiply by 1000 |
| Milligram | mg | 1000000 | divide by 1,000,000 |
| Ounce | oz | 35.274 | multiply by 0.028349523125 |
| Pound | lb | 2.20462 | multiply by 0.45359237 |
| Short Ton | US ton | 0.00110231 | multiply by 907.18474 |
| Stone | st | 0.157473 | multiply by 6.35029318 |