Railing Calc Handrail2026

Railing Calc is an offline utility for stair handrails, balcony guards, platform rails, and similar installation jobs. Enter total length, height difference, step count, post size, and safety spacing to estimate post count, equal spacing, sloped handrail length, end offsets, and material needs. Key features include: 1. Post count and equal spacing calculation with maximum spacing and end offset options. 2. Stair handrail sloped length calculation from rise, run, and step dimensions. 3. Material list estimates for posts, rails, handrails, and connectors. 4. Local layout records for rooms, stair runs, balconies, and platform sections. 5. Safety spacing reminders for child-safe gaps, margins, and unusual inputs. All data stays on your device. No login, no network connection, and no user data collection are required.