"Tapak tangan" abad pertengahan ({{Lang-la|palma}})<ref>{{Citation|last=Mantello|first=Frank Anthony Carl|title=Medieval Latin: An Introduction and Bibliographical Guide|author2=A.G. Rigg|display-authors=1}}.</ref> dan awal modern Eropa— Italia, Spanyol, dan Portugis ''{{Lang|it|palmo}}'' dan Perancis ''{{Lang|fr|palme}}''—didasarkan pada "tapak tangan lebih panjang" Romawi, diperhitungkan sebagai [[Jengkal|span]] atau panjang tangan.
Di Italia, "tapak tangan" ({{Lang-it|palmo}}) bervariasi secara regional. "Tapak tangan [[Republik Genova|Royal"]] adalah sekitar {{Convert|24.76|-|24.85|cm|abbr=on|sp=us}};<ref name=hutton/><ref name=greaves/>{{Efnefn|Unlike [[John Greaves|Greaves]], who used the [[London Guildhall|Guildhall]] standard foot, Hutton based his measurements on the fractured yard at the [[British Exchequer|Exchequer]],<ref>{{citation |contribution=Weight |contribution-url=https://books.google.com/books?id=Nn9RAAAAYAAJ&pg=PA683 |title=A Mathematical and Philosophical Dictionary, ''Vol. II'' |url=https://books.google.com/books?id=Nn9RAAAAYAAJ }}.</ref> about 1% of an inch shorter than the present yard.<ref>{{citation |contribution-url=https://sizes.com/units/yard.htm |contribution=yard |url=https://sizes.com/ |title=Sizes |location=[[Santa Monica, California|Sta. Monica]] |date=2004 }}.</ref> Hutton's [[line (unit)|line]] is reckoned as the {{frac|1|12}}th part of an inch.<ref>{{citation |contribution=Line |contribution-url=https://books.google.com/books?id=Nn9RAAAAYAAJ&pg=PA42 |title=A Mathematical and Philosophical Dictionary, ''Vol. II'' |url=https://books.google.com/books?id=Nn9RAAAAYAAJ }}.</ref>}} Didi [[negara-negara Kepausan]],"tapak tangan" Romawi adalah sekitar {{Convert|21.05|cm|1|abbr=on|sp=us}} menurut Hutton , tetapi dibagi menjadi Roman "tapak tangan arsitek" (''{{Lang|it|palmo di architetti}}'') sekitar {{Convert|22.32|cm|in|1|abbr=on|sp=us}} dan "tapak tangan pedagang" (''{{Lang|it|palmo del braccio di mercantia}}'') sekitar {{Convert|21.21|cm|in|1|abbr=on|sp=us}} menurut Greaves;{{Efn|A sign in [[Vaucluse]], [[France]], claims the Roman palm was identical to its own {{convert|24.61|cm|in|abbr=on|sp=us|1}} standard.<ref name=palaiseau></sup>}} dan "tapak tangan [[Kerajaan Napoli|Neapolitan]]" dilaporkan sebagai {{Convert|20.31|cm|in|1|abbr=on|sp=us}} oleh [[Giovanni Battista Riccioli|Riccioli]] tapi {{Convert|21.80|cm|in|1|abbr=on|sp=us}} oleh Hutton dari sumber-sumber lain. Di [[Sisilia]] dan [[Malta]], ukurannya {{Convert|24.61|cm|in|1|abbr=on|sp=us}}.
Di Perancis, "tapak tangan" ({{Lang-fr|palme}} atau ''{{Lang|fr|pan}}'') adalah sekitar {{Convert|24.61|cm|in|1|abbr=on|sp=us}} di Pernes-les-Fontaines, [[Vaucluse]], dan sekitar {{Convert|24.76|cm|in|1|abbr=on|sp=us}} di [[Languedoc]].
