"Moms" or "mervärdesskatt" is the Swedish term for value-added tax (VAT).
This is a simple web application to calculate gross, net and VAT amounts based on user input.
By entering one of the amounts, the others are calculated.
The VAT rate is hardcoded to 25 %, and the labels are in Swedish.
If lives at https://daghall.github.io/moms/ and can be iframed into other pages.