Stair Dimensions Calculator Total height (H) – inches: Total stair length – inches: Use desired rise Use desired tread depth Desired rise per step – inches (e.g., 7.5): Desired tread depth – inches (e.g., 10.5): Overhang – inches (Optional; 0–1 typical): Compute Dimensions Stair Cost Calculator Total height of stairs (inches): Rise per step (inches): Tread depth (inches): Overhang (inches): optional Cost per step: Calculate