gram
gmass · International · Modern
1 g = 0.001 kg.
Converter
mass · Ancient Greece / Rome · Antiquity
Roman libra
approx.
- Record
- M141
- Definition quality
- Historically reconstructed
- Conversion mode
- multiplicative
- Calculator
- Approximately calculable
Definition
Modern scholarship cautions that proposed SI values span roughly 322.56–330 g.
Approximate reference value
One Roman libra is understood to be about 0.327 kilograms.
History & use
Modern scholarship cautions that proposed SI values span roughly 322.56–330 g.
Modern use
Retained primarily for historical, educational, or reference use rather than as a current standardized calculator unit.
Did you know?
The Roman libra still hides in plain sight: the modern abbreviation 'lb' comes from libra, and the libra was divided into 12 unciae—the ancestor of the word 'ounce'.
Sources & evidence
Source tier Tier B/C — recorded secondary/reference source · confidence Moderate-High
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approx.mass · Ancient Greece / Rome · Antiquity
Greek talent was not one universal standard.
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