2x3 Actual Size

Find the actual thickness, width, and metric dimensions of commonly sold 2x3 lumber.

2x3 Lumber Dimensions

Nominal Size2 × 3 in
Actual Thickness1.5 in
Actual Width2.5 in
Metric Size38 × 64 mm
A commonly sold dry 2x3 has an actual finished dimension of approximately 1.5 inches by 2.5 inches.
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What Is the Actual Size of a 2x3?

A commonly sold dry 2x3 has an actual finished size of approximately 1.5 inches thick by 2.5 inches wide.

The 2x3 designation is the nominal lumber size rather than the final finished measurement.

Why Is a 2x3 Not Actually 2x3?

Nominal lumber dimensions are traditional size designations. Drying and surfacing during manufacturing reduce the finished dimensions.

Learn more on our Nominal vs. Actual Lumber page.

2x3 Size in Millimeters

The common actual reference dimension is approximately 38 × 64 mm.

See lumber sizes in millimeters.

Common Uses of 2x3 Lumber

2x3 lumber may be used for light framing, partitions, furring, supports, and various DIY projects.