This little extension is useful for those who have their product prices in gross prices. It adds a new line to the product edit page, under "Data" tab, where you can enter the gross price, and it calculates the net price. If you enter net price, the gross price will be calculated. If you change the tax class, gross price will be recalculated.
Please note: It is possible the calculator will return different values than the store frontend, because it is calculating with all the rax rates within the selected tax class, and it is ignoring the geo zone and the address based on. The gross price won't be saved, it just a helper that makes easier entering prices.
Features:

Makes easier to enter prices.

If you enter a value to price line, gross price will be calculated.

If you enter a value to gross price line, net price will be calculated.

If you change the tax class, gross price will be recalculated.
Support:
Please use the comment section for general questions, feedbacks etc... only. For error related and for more complex problems, please use the forum or send a message to our email address!
Email:
opencart@pappco.hu
Forum:
Forum
Demo:
Backend:
http://demo.opencartgeek.com/admin (demo/demo)
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