Upload a photo of your current bathroom and get a remodel concept without signing up. Compare layout, shower, vanity, tile, and lighting ideas while keeping existing plumbing zones in view.
100% Free · No Sign-up Required · 30s Instant Render
Standard Ergonomic Tolerances (NKBA & ADA Clearance Guidelines Reference)
| Spatial Element / Zone | Recommended Dimension & Clearance | Architectural Pitfall Avoidance |
|---|---|---|
| Toilet side clearance | NKBA planning guideline: minimum 15 in (38 cm) from the toilet centerline to each side wall or obstruction | Measure from the finished toilet centerline. Treat this as a planning guideline, then verify the locally adopted plumbing code and any accessibility requirements. |
| Toilet front clearance | NKBA planning guideline: minimum 21 in (53 cm) clear space in front of the toilet; additional space improves usability | Check the door swing, vanity depth, and other fixtures together so the required clear floor area is not blocked. |
| Shower floor slope | Common shower-planning target: about 1/4 in per ft (2%) toward the drain; confirm the exact requirement with local code and the selected shower system | Do not rely on tile grout as waterproofing. Use a compatible waterproofing and drainage assembly installed according to the applicable TCNA method and manufacturer instructions. |
| Wet-area tile slip resistance | For level interior wet areas, tile selected for flooring should meet an appropriate wet DCOF performance requirement; ANSI A326.3 commonly uses 0.42 minimum wet DCOF for tiles intended for level interior spaces walked on when wet | DCOF is a tile-selection performance measure, not a guarantee against slipping. Consider tile format, grout joints, slope, maintenance, footwear, and the specific installation. |
| Vanity height | About 32 in (81 cm) is a common traditional vanity height; 36 in (91 cm) is a common comfort-height target, subject to sink type and user needs | A vessel sink adds bowl height above the countertop. For floating vanities, set the finished counter height first, then position the cabinet and plumbing around it. |
| Mirror lighting | For grooming, CRI 90+ is a strong specification target; 3000K–3500K is a practical residential color-temperature range | Place light sources to illuminate the face from the sides or both sides and avoid relying on a single overhead fixture that can create eye and facial shadows. |
| Bathroom light fixture protection | IP44 and IP65 are product protection ratings, not blanket bathroom requirements; the correct rating depends on location, water exposure, product listing, and locally adopted electrical code | Use only fixtures listed for the intended bathroom location and follow the manufacturer's installation instructions and local electrical requirements. |
| Common alcove tub footprint | 30 × 60 in (76 × 152 cm) is a common North American alcove-tub footprint and a frequent starting point for tub-to-shower remodel planning | Keeping the new shower within the existing tub footprint can reduce layout disruption, but drain location, waterproofing, framing, glass, and plumbing still require field verification. |
| Shower niche placement | About 48–54 in (122–137 cm) above the finished shower floor is a common planning range; final placement should match user reach and tile layout | Avoid placing the niche directly in the main spray path when possible. Coordinate its height with the waterproofing system, framing, grout lines, and plumbing before cutting the wall. |
| Bathroom exhaust airflow | A common residential sizing rule is about 1 CFM per sq ft of bathroom floor area, with 50 CFM as a practical minimum benchmark; local code may specify different requirements | Verify the fan's rated airflow, duct size, duct length, bends, termination, and local code. A fan only works as designed when the duct system is installed correctly. |
| Existing plumbing zone | Keeping toilets, showers, and sinks near existing supply and drain locations can reduce plumbing relocation work, but actual feasibility depends on pipe routing, structure, slope, vents, and local code | Treat the existing wet wall and drain locations as constraints to verify, not as guaranteed AI-detected construction facts. Have a qualified contractor or plumber confirm conditions before demolition. |
For typical U.S. residential planning, NKBA guidance recommends at least 15 in (38 cm) from the toilet centerline to each side wall or obstruction and at least 21 in (53 cm) of clear space in front. These are planning benchmarks, not a universal code: the locally adopted plumbing/building code controls, and accessibility rules can require more.
A common shower-planning target is a slope of about 1/4 in per ft (2%) toward the drain, but the enforceable requirement depends on the adopted code and shower system. Follow TCNA-compliant installation methods and use a compatible waterproofing system continuously at walls, curbs, niches, corners, and plumbing penetrations before tile is installed.
Cross-lighting from both sides of the mirror helps reduce facial shadows. For color-critical grooming, specify LEDs with CRI 90+; 3000K–3500K is a practical residential range. Wet-area fixture placement and IP ratings depend on the installation zone and local electrical code, so use the luminaire manufacturer's listing and installation instructions rather than treating IP44 or IP65 as universal requirements.
Zero cost. Zero sign-up. Upload a photo or try our demo room in 10 seconds.
The AI analyzes room dimensions and fixture clearances to suggest space-saving floating vanities, pocket doors, and curbless walk-in shower configurations that enhance perceived square footage.
Yes. While generated visual concepts serve as design inspiration, the engine highlights critical remodeling benchmarks—such as NKBA 15-inch toilet setbacks and shower slope targets—before you consult a licensed plumber.
Yes. Toggle between Modern, Minimalist, and Japandi themes to instantly compare alcove or soaking tub layouts against glass-enclosed shower suites within your actual room footprint.
Yes, completely free with instant photo upload and zero account or credit card requirements.
