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Convert Barleycorn to Inch (bc to in) instantly with accurate, readable results.
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Barleycorn - traditional English length unit
Barleycorn is a historical unit of length in the Imperial/US systems, originally based on a grain of barley. Used today mainly as the step size in UK/Irish shoe sizing
- Symbol: none standardized (sometimes "bc")
- System: Imperial/US customary (historic)
- Exact relations: 1 barleycorn = 1/3 in (exact); 3 barleycorns = 1 in; 36 barleycorns = 1 ft
- Metric equivalents: 1 barleycorn = 25.4/3 mm ≈ 8.466666… mm ≈ 0.846666… cm
- Typical examples: consecutive UK shoe sizes differ by one barleycorn (≈ 1/3 in) in last length
Inch (in) — Imperial/US unit defined exactly as 25.4 millimeters
Standard in manufacturing and consumer specs in the US, including displays and lumber. Defined metrically for exact conversions.
- Symbol: in
- System: Imperial/US customary
- Exact relations: 1 in = 25.4 mm = 2.54 cm = 0.0254 m (exact)
- Other relations: 12 in = 1 ft, 36 in = 1 yd
- Typical examples: screen sizes, pipe/nominal lumber sizes, drill bits