Check the back of your bed for bolts or screw holes on either side and measure the distance between them. [substeps] Larger beds may have more than one hole in a vertical line, but measuring these aren't necessary.
[header] How to fit a bed headboard [title] Measure between screw holes before buying. [step] Divan beds are designed as backless, but they often include screw holes for headboards to be added later. Before purchasing a new headboard, check how far apart its struts need to be in order to fit your bed.