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Sources and Accuracy
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
hundredweight (UK) [cwt UK]
Definition
The hundredweight (UK) (cwt UK) is a weight unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use hundredweight (UK) when comparing weight values, checking specifications, converting between systems, or preparing quick estimates.
dalton [Da]
Definition
The dalton (Da) is a weight unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use dalton when comparing weight values, checking specifications, converting between systems, or preparing quick estimates.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is hundredweight (UK) [cwt UK].