Question: What are the ease allowances for garments created with home sewing patterns?
Fitting ease is the difference between a body measurement, such as bust, waist, or hip and the garment measurement in the same area. Sometimes designers want a garment to have a certain appearance and may allow more room than needed for the fit. This is called design ease.
Butterick, the leading produced of sewing patterns for the home sewing market, provides a chart
for determining the amount of fitting ease in close fitted, fitted, semi-fitted, loose fitted, and very loose fitted garments.