+**A5** is a widely used [Paper Size](/wiki/Paper_Size) within the ISO 216 standard. Measuring 148 by 210 millimeters, it is precisely half the area of an [A4](/wiki/A4) sheet, ideal for notebooks and compact documents.
+## See also
+- [ISO 216](/wiki/ISO_216)
+- [Paper](/wiki/Paper)
+- [Dimensions](/wiki/Dimensions)
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