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Ultraplan Easy Coverage Calculator: How Many Bags of Self-Leveler?
Enter your floor area and the average pour thickness to see how many 50 lb (22.7 kg) bags of Ultraplan Easy to buy. MAPEI's coverage chart gives 24 sq ft per bag at 1/4 inch; the calculator scales that figure to your thickness. The numbers come from the US English technical data sheet MK 3000080, edition date June 25, 2024.
MAPEI Ultraplan Easy coverage
| Thickness | US | Metric |
|---|---|---|
| 0.0625 in (1.6 mm) | 96 sq ft | 8.9 m² |
| 0.25 in (6.4 mm) | 24 sq ft | 2.2 m² |
| 0.5 in (12.7 mm) | 12 sq ft | 1.1 m² |
| 1 in (25.4 mm) | 6 sq ft | 0.6 m² |
| 2 in (50.8 mm) | 3 sq ft | 0.3 m² |
Source: MAPEI Technical Data Sheet: Ultraplan Easy High-Performance, Easy-Preparation, Self-Leveling Underlayment (US English), MK 3000080 (24-1701), Edition date June 25, 2024, read 2026-10-16.
How the calculation works
bags = area × (1 + waste ÷ 100) × thickness ÷ (coverage at reference thickness × reference thickness), rounded up
Self-leveler volume scales with thickness: twice as thick needs twice as many bags. Low spots in the floor add to the real average thickness, so measure the deepest point and the average before you pour.
Worked example
A 200 sq ft floor poured 0.25 in thick with 10% extra: 220 sq ft to cover. One bag covers 24 sq ft at 0.25 in, so at 0.25 in it covers 24 × 0.25 ÷ 0.25 = 24 sq ft. 220 ÷ 24 = 9.17 bags, so buy 10 (500 lb).
MAPEI Ultraplan Easy key specs
| Product type | Self-leveling underlayment |
|---|---|
| Bag size | 50 lb (22.7 kg) |
| Mixing water per bag (max) | 6 US qt (5.68 L) |
| Thickness range | 0.0625–2 in |
| Coverage (data sheet) | 24 sq ft (2.23 m²) per 50 lb bag at 1/4" (6 mm); 12 at 1/2", 9 at 3/4", 6 at 1", 4 at 1.5", 3 at 2" (5 cm) |
| Mixing water | 5.75–6 US qt (5.44–5.68 L) of room-temperature water per 50 lb (22.7 kg) bag |
| Thickness | single lift 1/16" to 2" (1.5 mm to 5 cm); minimum 1/16" over the highest point of the floor |
| Flow time | up to 15 minutes |
| Walkable | avoid foot traffic for at least 2–3 hours |
| Install floor covering | non-moisture-sensitive coverings such as tile after 3 hours; moisture-sensitive coverings after 16–24 hours (both at 70°F / 21°C and 1" thick) |
| Second coat | wait 24 hours before a second application of primer and self-leveler |
| Compressive strength | more than 3,100 psi at 7 days and more than 4,100 psi (28.3 MPa) at 28 days (ASTM C109 modified) |
| Flexural strength | more than 1,070 psi (7.38 MPa) at 28 days (ASTM C348) |
| Temperature | application 50–85°F (10–29°C); substrate kept at 50–90°F (10–32°C) for 48 hours before, during and after |
| Use | interior only; must be primed and covered with a floor covering; not a wear surface; no rolling dynamic loads for 3 days |
| Color and shelf life | gray powder; 1 year in unopened bags at 73°F (23°C) and 50% RH |
What Ultraplan Easy is for
Ultraplan Easy is MAPEI's quick-setting, self-leveling underlayment for interior floors. You mix it with water, pour it onto a primed surface, and it flows out into a flat base for the floor covering that goes on top. MAPEI's pitch is in the name: the data sheet says it needs only a clean, soundly bonded, properly prepared and primed substrate, with no surface profiling such as shot blasting required. It is ready for tile in about 3 hours and for resilient flooring in 16 to 24 hours.
The data sheet lists it for leveling, smoothing and repairing residential and commercial floors before floor coverings go down, and for use over radiant-heated floors or to bury hydronic or electric heating cables. It meets the compression and flatness requirements of ASTM F710 and ASTM F2873, the standards most resilient flooring makers point to. It is not a finished floor: cured Ultraplan Easy must be covered, it is for interior use only, and it is not a moisture mitigation product. If the slab has a moisture problem, that has to be dealt with before you pour.
Suitable substrates in the data sheet include concrete at least 28 days old, well-bonded ceramic, porcelain, quarry and stone tile, VCT, epoxy terrazzo, cement backer units, cured mortar beds, gypsum underlayments, and engineer-approved plywood or OSB on joists up to 19.2 inches on center that meet L/360. MAPEI uncoupling and crack-isolation membranes such as Mapeguard UM do not need priming; everything else does.
How the calculator works out bags
With a self-leveler, the depth of the pour decides almost everything. A 50 lb bag makes a roughly fixed volume of material. MAPEI's chart gives 24 sq ft at 1/4 inch, which is half a cubic foot per bag. Pour twice as thick and the same bag covers half the area: 12 sq ft at 1/2 inch, 6 at 1 inch, 4 at 1 1/2 inches and 3 at 2 inches. Those rows all fall on the same straight line, so the calculator uses 24 sq ft at 1/4 inch and scales it to whatever thickness you enter.
The one row that does not fit is 3/4 inch, where the chart says 9 sq ft. Scaling 24 sq ft at 1/4 inch gives 8. The calculator stays with 8, which means it may suggest one more bag than the chart would on a large 3/4 inch pour. Running out in the middle of a self-leveler pour leaves a cold joint that is hard to fix, so a spare bag is the cheaper mistake.
The calculator takes your area, adds the waste allowance you choose and divides by the coverage at your thickness. Bags are always rounded up. Enter the average thickness, not the deepest spot. Floors are rarely uniformly out of level, so check the room with a laser level or a long straightedge, note the low areas, and estimate an average. If one part of the room is much deeper than the rest, run the calculator once per zone and add the results.
Thickness range
Ultraplan Easy can be poured from 1/16 inch to 2 inches (1.5 mm to 5 cm) in a single lift, with at least 1/16 inch over the highest point of the floor. This calculator accepts that whole range without a warning. MAPEI's coverage chart starts at 1/4 inch, though, so figures below that are scaled down from the 1/4 inch row rather than read from the chart. In practice, a pour that is 1/16 inch at the high spots averages well above that once the low spots are filled.
If you need a second lift, MAPEI asks you to wait 24 hours and apply primer again before pouring more self-leveler. Plan the first pour so that it reaches the final height in one go wherever possible.
Preparation and priming in brief
All substrates must be sound, stable, solid, dry and primed with a suitable MAPEI primer. On concrete, fill deep areas, holes and cracks with a MAPEI patching compound first; fluid self-leveler will find its way through any gap into the floor below. On plywood, fill the joints with acrylic caulk for the same reason. Do not pour over existing flooring, adhesive residue or anything that may contain asbestos, and do not pour over standing water.
Temperature matters. MAPEI asks for the substrate to stay between 50°F and 90°F (10°C and 32°C) for 48 hours before, during and after application, and for the room and substrate to be at 50°F to 85°F (10°C to 29°C) during the pour and for 3 days either side. Close doors and windows, turn off HVAC and radiant heat, and keep direct sunlight off the area.
Mixing and timing
Each 50 lb bag takes 5.75 to 6 US quarts (5.44 to 5.68 L) of water at about room temperature. Measure the water into a mixing barrel or a pail that holds at least 5 gallons, add the powder slowly, and mix with a high-speed drill and an oval paddle until there are no lumps, about 2 to 3 minutes. Overmixing, or moving the paddle up and down, traps air and can leave pinholes.
Ultraplan Easy flows for up to 15 minutes, so pour or pump it in ribbons and keep a wet edge. Working as a team, with one person mixing while another pours, avoids trapped air and cold joints. Spread it with a gauge rake to the depth you want, then use a smoother to even the surface. It is self-curing: do not damp-cure it or use curing compounds. Keep people off it for at least 2 to 3 hours, and keep rolling loads such as forklifts and scissor lifts off for 3 days.
FAQ
How much does a bag of Ultraplan Easy cover?
MAPEI's US data sheet gives 24 sq ft (2.23 m²) per 50 lb bag at 1/4 inch, 12 sq ft at 1/2 inch, 9 sq ft at 3/4 inch, 6 sq ft at 1 inch, 4 sq ft at 1 1/2 inches and 3 sq ft at 2 inches. MAPEI notes the chart is for estimating only; real coverage depends on the substrate, equipment, thickness and application method.
Why does the calculator say 8 sq ft per bag at 3/4 inch when the chart says 9?
The calculator scales the 1/4 inch figure in a straight line, which matches every row of MAPEI's chart except 3/4 inch. A fixed amount of powder makes a fixed volume, so a pour three times as thick as 1/4 inch should cover a third of 24 sq ft, which is 8. The 9 in the chart looks generous, so the calculator stays with 8 and suggests slightly more bags, not fewer.
How much water goes in a bag of Ultraplan Easy?
Mix each 50 lb (22.7 kg) bag with 5.75 to 6 US quarts (5.44 to 5.68 L) of water at about room temperature, 70°F (21°C). Measure the water first, add the powder slowly, and mix with a high-speed drill and an oval paddle until lump-free. MAPEI says the ratio must stay consistent and not to overwater. Do not overmix or move the paddle up and down, which traps air and causes pinholes.
How thin and how thick can Ultraplan Easy go?
The data sheet allows a single lift from 1/16 inch to 2 inches (1.5 mm to 5 cm), with at least 1/16 inch over the highest point of the floor. The coverage chart itself starts at 1/4 inch, so thinner figures in the calculator are scaled down from that row. For a second lift, MAPEI asks you to wait 24 hours and prime again.
When can I tile over Ultraplan Easy?
At 70°F (21°C) and 1 inch thick, tile and other non-moisture-sensitive coverings can go down after 3 hours. Moisture-sensitive coverings such as vinyl, carpet or wood need 16 to 24 hours. Keep foot traffic off for at least 2 to 3 hours and keep rolling loads like scissor lifts off for 3 days. Cool weather slows curing; warm weather speeds it up.
MAPEI and MAPEI Ultraplan Easy are trademarks of their owner. This page is an independent estimate based on the published data sheet; check the bag label before mixing.