1kg/2.2lb of Meat requires 3.2m/10.5ft of Casings. To work out the length of casings you need, multiply your KG of meat by 3.2. This will give you the length of casings you need in Metres eg I have 12.4kg of Meat. 12.4 * 3.2 = 40m of Casings required.Assumes 24-26 Sheep Casings. 14cm sausages. Numbers are a guide only.