Black trousers with lace-ups show a comparatively quiet lower line here. The hems sit near the tops of the dark shoes. A black two-button jacket, white shirt, dark patterned tie and pale pocket square complete the outfit above. One hand rests in a trouser pocket and the legs are not evenly side by side. That stance belongs to the pictured view and matters when transferring a preferred hem line to your own fitting.
Compare the lower impression with the other black ensemble showing more small folds above the shoes. Choose only a direction to test first. Request a relaxed view without a hand in the pocket on your own garment. Keep waist position and footwear unchanged so that several conditions do not change together.
For a proposed alteration, have the new hem pinned temporarily. Sit and walk several steps, then assess the whole trousers again rather than selecting only a quieter front edge. This combination supplies a specific visible option, not a length measurement transferable to other trousers.