How Big Is a Credit Card? Real-World Size Comparison

AAA battery⌀10.5mm 0.12× of Credit card (85.6mm)
CD/DVD disc⌀120mm 1.40× of Credit card (85.6mm)
Standard UK brick215mm × 102.5mm × 65mm 2.51× of Credit card (85.6mm)
12″ vinyl record⌀300mm 3.50× of Credit card (85.6mm)

Closest match: CD/DVD disc is 1.40× Credit card (85.6mm).

Quick compare: AAA battery 0.12× · CD/DVD disc 1.40× · Standard UK brick 2.51× · 12″ vinyl record 3.50×

A credit card measures 85.6 x 53.98mm — the ISO/IEC 7810 ID-1 standard shared by ID cards, driver’s licenses, and hotel key cards.

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