▽ +06.00Engineering Hub · Tools
Quantity calculators
Quick quantity estimates with the same formulas a quantity engineer uses — no prices.
+00.00Seven calculators
Estimate quantities before you ask for a quote
Seven quantity calculators with the formulas shown. Enter the values of the approved product’s TDS; the result is a preliminary estimate, not a final supply quantity.
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01
Membrane roll calculator
Rolls from the area, roll size and laps.
Inputs
- Area
- Roll width
- Roll length
- Side lap
- End lap
- Waste
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02
Liquid waterproofing calculator
Kilograms and pails from area, consumption and coats.
Inputs
- Area
- Consumption per coat
- Number of coats
- Waste
- Pail size
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03
Epoxy flooring calculator
Quantity from thickness and density, or from consumption.
Inputs
- Area
- Number of coats
- Thickness per coat
- Density
- Consumption per coat
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04
Joint sealant calculator
Volume and cartridges from joint width, depth and length.
Inputs
- Joint width
- Sealant depth
- Joint length
- Cartridge size
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05
Repair mortar calculator
Volume, weight and bags from area and average depth.
Inputs
- Repair area
- Average thickness
- Density
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06
Thermal insulation board calculator
Boards and volume from area, board size and thickness.
Inputs
- Area
- Board length
- Board width
- Thickness
- Waste
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07
PU foam calculator
Volume and weight, or sets, from thickness and yield.
Inputs
- Area
- Thickness
- In-place density
- Theoretical yield per set
Estimate only — final quantities depend on the approved specification, the product TDS and a site survey. No prices are given.
QQuestions
Questions clients ask
Are the quantity calculators accurate enough to order materials?
They are planning estimates only: actual consumption depends on the product and its data sheet, the substrate and waste, and final quantities are set in the offer after a survey or inspection.