Enter the weight of the turkey and select kilograms or pounds. You will find this information on the label, or you can ask your butcher, Safefood say. The calculator is suitable for turkeys of 3.3kg ...

If there are no cooking instructions with the bird, you can use the following formula. In an oven preheated to 180C (350F or Gas Mark 4): allow 45 minutes per kg plus 20 minutes for a turkey that ...