Length conversions

		m	mm	in	ft	yd	mile	µm	km
metre	m	1	1000	39.37007874	3.280839895	1.093613298	0.000621373	1000000	0.001
millimetre	mm	0.001	1	0.039370079	0.00328084	0.001093613	6.21373E-07	1000	0.000001
inch	in	0.0254	25.4	1	0.083333333	0.027777778	1.57829E-05	25400	0.0000254
foot	ft	0.3048	304.8	12	1	0.333333333	0.000189394	304800	0.0003048
yard	yd	0.9144	914.4	36	3	1	0.000568183	914400	0.0009144
mile	mile	1609.34	1609340	63359.84252	5279.986877	1759.995626	1	1609340000	1.60934
micrometre	µm	0.000001	0.001	3.93701E-05	3.28084E-06	1.09361E-06	6.21373E-10	1	0.000000001
kilometre	km	1000	1000000	39370.07874	3280.839895	1093.613298	0.621372737	1000000000	1