[header] How to measure for a lazy susan [title] Make sure your cabinet is a 45 degree corner or straight cabinet. [step] The former is found in the kitchen corner, usually sitting at a 45 degree angle between two walls. Straight cabinets are more typical and found throughout the kitchen. 
[title] Measure for the diameter of the lazy susan. [step] If your cabinet is a perfect square, stretch a tape measure from one wall to the opposite wall for this diameter.