Weights and Measures. Converters for Historical Measurements.

Basic measures, such as weight, length, volume, or area were used by people in any part of the globe since the down of the civilization. Not only there were no universal system for all, even within the same country measures often were different from place to place. The same measures could also significantly change in time as standards were not yet invented.

We invite you to read more about the history of measurement. However, if you need to quickly understand how big is a Roman uncia or an ancient Egyptian pedj-aa, our converters are here to help.

This converter allows you to easily convert from modern weight units (metric or U.S. customary) to historical units of various countries and vice-versa.

Our weight converter features Ancient Greek units (Attic standard or Aeginetic standard), ancient Roman, Biblical, old Spanish, old Portuguese, old French, old Russian, old German (Prussian), old Austrian, old Swedish.

If you are looking for national weight units that are still in use today, please check our main Weight and Mass Converter.

Length or distance is another measure that people have been using for ages. You can use our converter to instantly convert from an ancient length unit to contemporary one or vice-versa.

Our length converter features the following old units: ancient Egyptian, ancient Greek, ancient Roman, Biblical, old Spanish, old Portuguese, old French, old Russian, old German (Prussian), old Austrian, old Swedish.

If you are looking for national units of length that are still in use today, please check our main Distance and Length Converter.

Capacity is another commonly used measurement. Of course, we have our Ancient Capacity and Volume Converter available too.

Our volume converter features Ancient Greek units (dry and liquid), Biblical (dry and liquid), ancient Roman (they already knew it was possible to measure dry and liquid volumes with the same set of units). There are also not that ancient, but nevertheless old units from the following countries: Spain, Portugal, France, and Russia.

If you are looking for national units of capacity that are still in use today, please check our main Capacity and Volume Converter.

Even though area is a derivative of length, people have been using specific units of area for ages. You are welcome to use our Ancient Units of Area Converter to instantly convert an ancient are unit to a contemporary one.

Our area converter includes ancient Greek, ancient Roman, old Spanish, old Portuguese, Old French, and Old Russian units.

If you are looking for national or regional units of area that are still in use today, please check our main Area Converter.