+DIN 476 is a German [Standard](/wiki/Standard) published by the Deutsches Institut für Normung. It defines the internationally recognized series of [Paper Size](/wiki/Paper_Size) formats, including the ubiquitous A4, establishing a basis for modern document dimensions.
+## See also
+- [ISO 216](/wiki/ISO_216)
+- [Paper](/wiki/Paper)
+- [Metric System](/wiki/Metric_System)
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