Extensions for Numi calculator (numi.io)
- Units
- Length
- Unusual length units
- Time
- Unusual time units
- Volume
- Unusual volume units
- Weight
- Grain
- Astronomical weights
- Imperial weights
- Length
Open Numi settings (little toggle switch icon in bottom left of window), select Extensions and then "Open extensions folder"
Either drop the js files you want into the folder, or drop the entire units folder in there as Numi will look in the subfolders.