To calculate your fabric cost you can use the mini calculator (right) or follow this process with the full calculator: * First work out how many centimetres you will need by multiply your width by your length * Now multiply your total number of centimetres by 0.40 * To calculate your cost in Pounds multiply your total number of pence by 0.0040 * Please note you will have to add 20% VAT charge to the total MINIMUM FEE: £10.00 ** BACK TO THE PREVIOUS PAGE