Enter your gun safe dimensions and staircase measurements to plan the move — weight capacity, landing turns, and floor load included.
Whether it fits depends on measurements most people get wrong.
Safe narrower dimension vs. stair width, and safe total weight vs. floor load capacity at destination
Item: Standard gun safe: 20–42" W × 20–30" D × 55–72" H (300–1,000+ lbs)
Space: Standard residential staircase: 36" wide, 80" ceiling clearance, 36" landing depth minimum
Actual clear openings are usually 1–2″ smaller than the labeled size.
Your exact dimensions probably aren't "standard." Small measurement errors cause big problems — 1 inch can be the difference between fitting and getting stuck.
Verdicts are calculated by comparing all 6 item orientations against the space dimensions using verified building code standards. See our methodology
Takes 10 seconds · No signup needed
“Wish I'd used this before trying to force a fridge up the stairs.” — Lesson learned
Measure smart
Four numbers decide nearly every fit check. Get these right and the rest follows.
Don't make these
Most “it didn't fit” stories trace back to one of these oversights.
Frequently asked
Absolutely — for any safe over 300 lbs, professional safe movers are essential. They use safe-rated stair-climbing dollies (1,200-lb capacity), heavy-duty ratchet straps, and stair runners for protection. Expect to pay $300–$800 depending on weight, number of flights, and access difficulty. The cost is a fraction of potential injury or property damage.
01Standard residential floors are rated for 40 lbs per square foot of live load. A 600-lb safe on a 3 sq ft footprint concentrates 200 lbs/sq ft — five times the rated load. Position the safe directly over a load-bearing wall or floor joist. For safes over 500 lbs on upper floors, consult a structural engineer. Concrete slab ground floors have no practical weight limit for residential safes.
02Professional safe movers use: a heavy-duty stair-climbing dolly (rated 800–1,200 lbs), ratchet straps to secure the safe to the dolly, stair runners or plywood sheets to protect treads, and sometimes a power winch for long flights. Electric stair-climbing dollies use a motorized track system to walk the safe up step by step.
03Professional safe moving costs $300–$800 for a stair delivery. Factors: safe weight (under 500 lbs is cheapest), number of flights, distance from truck to stairs, and obstacles like tight corners. Some safe retailers offer delivery and placement as an add-on ($200–$400). Always get the quote before purchase — some companies refuse safes over 800 lbs on stairs.
04Related guides
More like this
Unlock stair simulation, AR visualization, and more.
Open the calculator and check any item against any space.
Open the fit calculator