LEGO 2x4 Brick
Reference: Credit Card (ISO/IEC 7810 ID-1) · 8.56 cm length
Reveal round 1 measurement
Reference above · target below. Bars compare the labeled lengths.
0.3715× the reference measurement. Divide 0.0318 m (length) by 0.0856 m (length).
Publisher’s explanationBrick length: 0.0318 m.