Digital Tools for Medievalists

Medieval Toolbox

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

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Anno Regni

Regnal Year Converter

Convert between regnal years and modern dates, from William I to Charles III, and date Anglo-Saxon documents by indiction, Easter reckoning and the kings then reigning. Enter a regnal year with optional day and month for exact date resolution.

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Calendarium

Medieval Calendar

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

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Nummus

Money & Units

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

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Fontes

Sources

Published calendars, editions, and TNA references for the records of Chancery, Exchequer, the courts, Special Collections, and the Church to 1509, with links to free scans, original rolls on AALT, and catalogue searches.