I think many beginners have the same confusion when starting with VAT in the UK.
First, the VAT threshold is the limit that tells you when your business must register for VAT. If your taxable turnover goes above this limit, then you are required to register and start charging VAT on your products or services.
For small businesses, it is very important to track income regularly. If you are getting close to the VAT threshold, it is better to prepare early so you do not face problems later.
To make calculations easier, using a VAT calculator online is very helpful. It allows you to quickly add or remove VAT without doing manual calculations, which can reduce mistakes.
In simple words:
If anyone has more practical tips or real experience, please share.