Using our online VAT Calculator UK is straightforward and efficient, helping you quickly determine the Value Added Tax (VAT) on your purchases or sales. To begin, simply enter the net amount (excluding VAT) or the gross amount (including VAT) into the calculator. Next, select the applicable VAT rate, which typically ranges from the standard 20% to reduced rates for certain goods and services. The calculator will then instantly compute the VAT amount and provide the total amount inclusive of VAT. This tool is designed to simplify your financial calculations, ensuring accuracy whether you're managing personal finances, running a business, or preparing for tax submissions.