in³ to mm² – Cubic Inches to Square Millimeters – converter online

Enter volume in in³:

Enter thickness in in:

Result:

in³ to m²

How to convert from cubic inches (in³) to square millimeters (mm²)?

The volume in cubic inches (in³) should be divided by the thickness in inches and multiply by 645.16. The result is an area in square millimeters (mm²).

1 mm² = (1 in³ / 1 in) * 645.16

in³ to in² — Cubic inch to Square inch

Square inch calculator (in to sq in, in to in²)