# Your Complete Guide to VAT FAQs: Answers to the Most Commonly Asked Questions

### How to calculate vat without a calculator

To calculate VAT without a calculator, multiply the amount of the goods or services by the VAT rate as a decimal, then add the result to the original amount.

### How to work out vat at 15 on a calculator

To work out VAT at 15% on a calculator, multiply the amount of the goods or services by 0.15 to get the amount of VAT, then add this to the original amount to get the total.

### How to take vat off using a calculator

To take VAT off using a calculator, divide the amount of the goods or services by 1 plus the VAT rate as a decimal. This will give you the original amount before VAT.

### How to deduct vat using a calculator

To deduct VAT using a calculator, multiply the total amount including VAT by the VAT rate as a decimal. Then subtract this result from the total amount to get the original amount before VAT.

### How to back vat on a calculator

To back VAT on a calculator, divide the amount of the goods or services including VAT by 1 plus the VAT rate as a decimal. This will give you the original amount before VAT.

### How to work out 20 vat backwards calculator

To work out 20% VAT backwards on a calculator, divide the amount of the goods or services by 1.2. This will give you the original amount before VAT.

### How to compute 12 vat in calculator

To compute 12% VAT in a calculator, multiply the amount of the goods or services by 0.12 to get the amount of VAT, then add this to the original amount to get the total including VAT.

## How to set vat on Casio calculator

To set VAT on a Casio calculator, press the “SET” button followed by the “%” button, then enter the VAT rate as a decimal and press “=”.

### How to calculate 5 vat in calculator

To calculate 5% VAT on a calculator, multiply the amount of the goods or services by 0.05 to get the amount of VAT, then add this to the original amount to get the total including VAT.