A kilt fits correctly when it sits securely at the intended waist position, whether at the natural waist or slightly lower depending on the style, without needing constant adjustment. The waistband should feel snug but comfortable, with the aprons lying flat across the front and the pleats falling evenly in the back. The kilt should hang to an appropriate length, typically around the middle of the knee, and allow for natural movement without pulling, twisting, or shifting out of place. When properly fitted, the kilt should feel balanced, comfortable, and stable during everyday wear.