Hospital Grade Cleaning Calculator

The calculator uses a base rate of 650 sq ft/hour, but cuts it to 85% of that (about 553 sq ft/hour) whenever the average room size works out to under 200 sq ft. Small exam rooms and patient bays pack more edges, corners, and fixtures into less floor area, so a technician spends proportionally more time on detail work relative to the square footage actually covered. Larger rooms get the full 650 sq ft/hour rate because more of the room is open floor.

Hospital-grade disinfectants need to stay visibly wet for their EPA-registered contact time before they're effective, and a technician typically has to return to re-wipe or confirm the surface stayed wet that whole time. The calculator models this as roughly 30% of your combined floor-cleaning and high-touch time, scaled up or down by how your entered contact time compares to a 5-minute baseline — so a 10-minute contact time roughly doubles that overhead versus a 5-minute one, while a 1-minute contact time cuts it to a fifth.

No — contact time only affects the dwell-overhead labor multiplier, not the disinfectant volume calculation. Disinfectant usage is fixed at 800 sq ft of floor coverage per ready-to-use gallon plus a small per-point allowance for high-touch spray, regardless of contact time. If your product requires a long contact time, plan for the added labor hours this calculator shows, but don't expect the gallons-needed figure to move with it.

Each high-touch point (door handles, bed rails, light switches, call buttons, etc.) is budgeted at 2 minutes of disinfection time, multiplied by the number of rooms. CDC guidance suggests counting 30-50 such points per patient room, and that count feeds directly into total cleaning hours alongside the separate floor-cleaning time — it does not affect the disinfectant coverage rate for floors, only the high-touch disinfectant spray allowance and the labor time.