Digital Tools for Medievalists

Medieval Toolbox

A collection of research tools for students and scholars of medieval English history

Regnal Year Calculator

Anno Regni

Convert between regnal years and modern dates, from William I to Charles III. Enter a regnal year with optional day and month for exact date resolution.

Medieval Calendar

Calendarium

Traversable calendar of saints' days, moveable feasts, law terms, and return days. Ecclesiastical and legal modes with data from Cheney's Handbook of Dates.

Manorial Documents Register

Carta Maneriorum

Interactive map of 4,393 manorial documents across 449 Dorset manors. Filter by date, document type, and search by manor or place. Links to TNA Discovery.

Dorset Place-Names

Locus

Over 10,000 historical place-names mapped with etymological data from the English Place-Name Society. Search by name, element, hundred, or parish.

Currency & Measures

Nummus

Pounds, shillings, and pence calculator with denomination converter. Weights and measures from Zupko, covering linear, area, capacity, and weight systems.