Converter
historical laboratory factor mass
U.S. assay ton
exact
- Record
- M667
- Definition quality
- Historically documented
- Conversion mode
- multiplicative
- Calculator
- Fully calculable
Definition
U.S. assay ton is approximately 29.167 g and selected so mg precious metal per assay ton maps numerically to troy oz per short ton.
Reference value
One U.S. assay ton is exactly 0.0291667 kilograms.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Sources & evidence
Source tier — · confidence high