Conversion chart

square millimeter to square chain Conversion Chart

Quick reference chart for common square millimeter to square chain values.

square millimeter [mm²]	square chain [ch²]	square millimeter [mm²]	square chain [ch²]
1	2.471054E-9	2	4.942108E-9
5	1.235527E-8	10	2.471054E-8
20	4.942108E-8	25	6.177635E-8
50	1.235527E-7	100	2.471054E-7
1000	0.000002	200	4.942108E-7
500	0.000001	1000	0.000002
5000	0.000012	10000	0.000025