2barleycorn是多少mm？
2barleycorn = 16.9333mm
是16.9333mm，所以说成17mm也没问题——四舍五入的误差在0.5%以内。
反过来，2mm是多少barleycorn？
2mm = 0.2362barleycorn
计算公式: mm = barleycorn × 8.466667
该数值前后的 barleycorn → mm
0.2 barleycorn1.6933mm
0.4 barleycorn3.3867mm
0.6 barleycorn5.08mm
0.8 barleycorn6.7733mm
1 barleycorn8.4667mm
1.2 barleycorn10.16mm
1.4 barleycorn11.8533mm
1.6 barleycorn13.5467mm
1.8 barleycorn15.24mm
2 barleycorn16.9333mm
2.2 barleycorn18.6267mm
2.4 barleycorn20.32mm
2.6 barleycorn22.0133mm
2.8 barleycorn23.7067mm
3 barleycorn25.4mm
3.2 barleycorn27.0933mm
3.4 barleycorn28.7867mm
3.6 barleycorn30.48mm
3.8 barleycorn32.1733mm
4 barleycorn33.8667mm
其他数值
3 barleycorn5 barleycorn10 barleycorn15 barleycorn20 barleycorn25 barleycorn30 barleycorn40 barleycorn
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