Metric Imperial Conversion - Length

From Draftsperson.net

FROM TO MULTIPLY BY
square millimetres square inches 0.00155
square inches square millimetres 645.16
square centimetres square inches 0.155
square inches square centimetres 6.452
square metres square feet 10.76
square feet square metres 0.0929
square metres square yards 1.196
square yards square metres 0.835
square kilometres square miles 0.3861
square miles square kilometres 2.59
hectacres acres 2.471
acres hectacres 0.4047

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