Every long-term care facility buys underpads, yet few purchasing managers can answer a basic question: how many pads does this building actually use each day? This guide gives operations managers and procurement staff a simple, defensible method for forecasting underpad consumption, so orders match real use instead of guesswork. Work through the formula, example table, and reorder tips below to set par levels, avoid stockouts, and keep the budget predictable.
- 4–6 changes per resident per day is the common long-term care planning range.
- Most operators plan with 40–70% of residents on underpads, depending on acuity.
- Add a 15–20% buffer to the calculated baseline before you order.
- Vacuum-compressed 50-packs cut storage footprint and handling time.
- Reorder when on-hand stock falls below two weeks of projected use.
Why Underpad Usage Planning Matters
Underpads are a quiet cost. A single pack looks cheap, but a 100-bed facility moves thousands of pads a month, and that line item compounds across the year. Without a usage baseline, budgets inherit last year's invoices — which may have nothing to do with this year's resident mix.
The bigger risk is the stockout. When the cart runs empty, staff improvise: bath towels, loans from other units, or express deliveries at premium prices. None of those are cheaper, and all burn staff time nobody budgeted for.
There is a care side too. Residents and families notice when supplies feel short. A steady flow of clean, correctly sized underpads supports consistent care routines. Planning is not an admin chore — it is part of care operations.
The Underpad Usage Formula
Build the number in four steps, then recheck it quarterly:
Daily usage = residents × incontinence ratio × changes per day × buffer factor
- Residents — average occupied beds over the planning period, not licensed capacity.
- Incontinence ratio — the share of residents using underpads; most operators plan with 40–70% depending on acuity.
- Changes per day — 4–6 in standard routines; pads built with SAP (superabsorbent polymer) can extend the interval between changes.
- Buffer factor — multiply by 1.15–1.20 to absorb admissions, seasonal illness, and care plan changes.
Worked example: 120 residents × 60% × 5 changes × 1.15 buffer = 414 pads per day, or about 12,400 per month.
What Changes the Number
- Incontinence type and acuity. Residents with double incontinence need more changes than those with light or occasional leakage. Reassess the ratio quarterly — resident mix shifts faster than most budgets do.
- SAP vs. standard construction. Pads with superabsorbent polymer hold more liquid before replacement is needed, so changes per resident often drop versus pulp-only pads. Absorption behaviour is measured with ISO 9073-6 nonwoven test methods.
- Night rounds. A change at the end of the night shift adds pads that daytime-only math misses. Count the full 24-hour cycle.
- Season. Flu season keeps more residents in bed and pushes usage up; summer shifts it the other way. Track twelve months of actual use before locking a number.
Example Calculation Table
| Scenario | Residents | Ratio | Changes/day | Daily use | Monthly use | Suggested order (50-packs) |
|---|---|---|---|---|---|---|
| 50-bed unit, standard mix | 50 | 60% | 5 | ≈175 | ≈5,200 | ≈105 |
| 120-bed facility, high acuity | 120 | 75% | 6 | ≈650 | ≈19,500 | ≈390 |
| 80-bed facility, lighter mix | 80 | 45% | 4 | ≈165 | ≈5,000 | ≈100 |
Planning estimates, not clinical targets — replace the assumptions with your own census and care protocols.
Ordering and Storage Advice
- Buy vacuum-compressed. The CliniEco Medical Underpad 60×90cm, 5-layer with SAP ships vacuum-compressed in 50-packs, so storage footprint and restocking trips shrink at once.
- Rotate FIFO. Mark delivery dates on cartons and use older stock first, so no case sits at the back of the shelf for months.
- Know lead time. Ask the supplier for the real lead time, add a week of slack, and order when projected stock dips below lead time plus buffer.
- Standardize sizes. One workhorse size covers most beds, with a heavy-absorbency 30×36-inch pad for high-acuity residents and overnight. Facilities with sustainability targets can switch the same SKU to the PLA biodegradable option.
- Quality systems. Manufacturing under ISO 9001:2015 quality management keeps pack counts and absorbency consistent order after order.
CliniEco Medical is a licensed medical device establishment (MDEL #35334).
Related reading
Ordering in volume for a care facility, clinic or home care agency?
Facility buyers do not need an online account to get pricing. Send us your case quantities, ship-to province and required delivery frequency, and we will confirm volume pricing and lead time in writing.
- Request a bulk quote for care facilities — case quantities, par-level planning and standing orders
- View wholesale and institutional product lines
- Contact us — for tenders, RFQs and multi-site accounts
FAQ
How long does one underpad last between changes?
A pad stays in service until the resident's care routine calls for a change — planning usually assumes 4–6 changes per day. Heavy-absorbency pads with SAP hold more fluid, so the interval can stretch beyond pulp-only pads; the care plan sets the rhythm.
How do I calculate monthly underpad usage?
Monthly usage = residents × incontinence ratio × changes per day × 30 × buffer. A 50-bed unit at 60% and 5 changes per day lands around 5,200 pads per month — roughly 105 vacuum-compressed 50-packs.
How should vacuum-compressed pads be stored?
Keep unopened packs in a cool, dry room, off the floor and out of direct sunlight; store them flat so the vacuum seal holds. Rotate FIFO. Once opened, move remaining pads to a clean, covered container.
Should we stock one size or two?
Most facilities standardize on one bed size for the majority of residents — 60×90cm covers standard beds — and keep a heavy-absorbency size for high-acuity residents and overnight use. Two SKUs keep par levels simple while covering the extremes.
Ready to set next quarter's order? CliniEco supplies Canadian long-term care facilities and distributors with underpads in vacuum-compressed 50-packs, heavy-absorbency 30×36-inch pads, and PLA biodegradable options. Run the formula with your own numbers, then contact our team for volume pricing and lead times.
Related Reading
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- Dental Bibs: 3-Layer Paper-PE Construction Explained for Clinics
- PLA Bags in Food Service: Certified Compostable Options in Canada
Related reading: explore our long-term care and home care resources.
start with our underpad buying guide for absorbency, sizing and cost.
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