Imperial to Metric Conversion

Nominal	Actual – Imperial	Actual – Metric
1×2	3/4″ x 1-1/2″	19 x 38 mm
1×3	3/4″ x 2-1/2″	19 x 64 mm
1×4	3/4″ x 3-1/2″	19 x 89 mm
1×6	3/4″ x 5-1/2″	19 x 140 mm
1×8	3/4″ x 7-1/4″	19 x 184 mm
1×10	3/4″ x 9-1/4″	19 x 235 mm
1×12	3/4″ x 11-1/4″	19 x 286 mm
2×2	1-1/2″ x 1-1/2″	38 x 38 mm
2×4	1-1/2″ x 3-1/2″	38 x 89 mm
2×6	1-1/2″ x 5-1/2″	38 x 140 mm
2×8	1-1/2″ x 7-1/4″	38 x 184 mm
2×10	1-1/2″ x 9-1/4″	38 x 235 mm
2×12	1-1/2″ x 11-1/4″	38 x 286 mm
4×4	3-1/2″ x 3-1/2″	89 x 89 mm