Flooring & Tile · Project planning

Floor Leveling Compound Calculator

Scale a product’s reference coverage to average fill thickness and compare that thickness with its entered installation limits.

By Alish Gautam, Software Developer · Updated · Calculation methodology

Start with the editable example below. Dimensions retain their physical size when units change. Region sets currency labels without converting currencies; confirm entered quotes after changing region.

Measured rooms and floor surfaces

Use non-overlapping rectangles. Enter openings as area on the surface they interrupt.

Room / surface 1
Product settings
Product and system dimensions
Editable arithmetic example. Replace with your project or product specification.
CUSTOM LevelQuik RS 50 lb example: low end of 46–48 ft² at 1/8 in. Custom coverage overrides this.
Editable arithmetic example. Replace with your project or product specification.
Editable arithmetic example. Replace with your project or product specification.
Editable arithmetic example. Replace with your project or product specification.
Optional supplier product name, chart revision or quote reference, saved in shared project state.
Advanced settings
Advanced planning settings
Planning allowance, not a code or industry requirement. Set zero to order the exact rounded takeoff.
Cost settings · USD
Optional quote prices
Optional supplier quote in the selected currency. Blank omits cost.

Project takeoff

Whole packages round up. Allowance is separate from purchased surplus. Prices omit labor, delivery, tax and other items unless explicitly entered.

Gross measured area
120 ft²
Opening / exclusion deductions
0 ft²
Coverage at average depth
23 ft²
Net requirement
120 ft²
Allowance
12 ft²
Planned requirement
132 ft²
Unrounded package requirement
5.739
Leveler bags
6
Purchased coverage
138 ft²
Surplus beyond planned requirement
6 ft²

Supplier-ready material list

Leveler bags
6
Geometry / layout breakdown
Dimensions use the selected measurement system.
SurfaceMaterialGross (ft²)Net (ft²)
Room / surface 1floor120120

Use average fill thickness, not the deepest low spot. Proportional scaling is appropriate only where the product permits it; primer and aggregate-extension requirements remain separate.

How it works

Coverage at depth = reference coverage × reference thickness / average requested thickness. Bags round upward after the entered allowance.

Assumptions and limitations

Use average fill thickness, not the deepest low spot. Proportional scaling is appropriate only where the product permits it; primer and aggregate-extension requirements remain separate.

Whole packages round upward after the chosen allowance. Physical geometry and purchase reserve are separate. Manufacturer and project specifications override editable examples; the selected region does not establish a local code requirement.

Sources and boundaries

CUSTOM Building Products: LevelQuik RS — TDS-108

Open the source · TDS-108 · Reference checked 2026-10-04

Scope: Coverage of the specified 50 lb product

Used for: 46–48 ft² at 1/8 in; Reference thickness scaling in the published chart.

Does not establish: Deepest low spot equals average depth; Coverage of other leveling compounds.

Only the verified reference coverage is preset; project and product thickness limits remain explicit inputs.

ARDEX Americas: ARDEX K 15

Open the source · Product page · Reference checked 2026-10-04

Scope: Manufacturer underlayment documentation

Used for: Find current coverage and installation limits.

Does not establish: LevelQuik yield equivalence.

Use the current product document to verify numerical inputs. No ARDEX constants are copied into generic defaults.