Dishwashers - 24" wide (for installation in a cabinet, raising the height, allow 27")
Free-standing and drop-in ranges - 3-" wide
Cook Tops - 30", 36" wide. (Some modular units available in 42" and 48" wide)
Wall Ovens - 27", 30", 36" wide. (Note: since wall ovens are always built-in, actual oven widths vary. The dimensions given here represent the cabinet sizes required.)
Refrigerators - free-standing models, 30 - 36" wide. (Built-in models, up to 48" wide)
Trash Compactors - 15" and 18" wide
Microwave Ovens - Varied
Sinks - Varied, but most are designed to fit in 30", 33" or 36" base cabinets. (Be sure to check manufacturer's specifications on your final selection!)
The National Kitchen and Bath Association (a trade organization for kitchen and bath dealers, designers, manufacturers, etc.) has established guidelines for kitchen planning. Prioritize the guidelines in case you cannot accomplish them all. Check them off as you complete your plan to be sure you have planned adequate space for each task area in your kitchen. Be sure to have a kitchen design specialist review your plan before ordering! The guidlines can be
downloaded here.