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Calculators
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A complete listing of the pop-up calculators available on this site

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General Calculators

bedding calculator
Yd² to m²
Converts square yards to square metres Appears on:
Design & Consult
Quality Reports
 
sub-base calculator
Sub-base
Coverage
Calculates tonnage of DTp1/DTp2 or "Crusher Run" required when thickness and area are known. Appears on:
Sub-bases
 
bedding calculator
Grit Sand
Volume
Calculates tonnage of grit sand required when compacted thickness and total area is known. Appears on:
Laying Block Paving
Screeding
 

Calculators for Concretes and Mortars

conc calculator
Concrete Volume
Calculate required quantity of concrete Appears on:
Concrete Page
 
concrete calculator
C7.5 Concrete
Estimate volumes of aggregates and cement needed to mix a C7.5 equivalent concrete as used for bedding kerbs and edgings Appears on:
Laying Edgings Page
 
concrete calculator
C20 Concrete
Calculate quantities of sands, gravels and cement needed to mix a general purpose C20 equivalent concrete Appears on:
Mortars&Conc Page
 
bedding calculator
3:1 Bedding Mix
Determine quantities of sand and cement required to prepare this bedding grade mortar suitable for laying all flags Appears on:
Bedding Materials Page
 
bedding calculator
6:1 Bedding Mix
Determine quantities of sand and cement required to prepare this bedding grade mortar suitable for laying most flags Appears on:
Bedding Materials Page
 
bedding calculator
10:1 Bedding Mix
Determine quantities of sand and cement required to prepare this bedding grade mortar suitable for laying patio flags Appears on:
Bedding Materials Page
 
bedding calculator
Lean Mix Concrete
Determine quantities of aggregates required to prepare this lean mix concrete Appears on:
Bedding Materials Page
 
mortar calculator
Bricklaying
Mortar
Calculate approximate quantities of sand and cement needed for bricklaying projects Appears on:
Brickwork Page
 

Calculators for Flags

flags calculator
BS Flags
Estimate just how many BS flags are needed to cover a given area Appears on:
BS Flags Page
 
bedding calculator
Bedding
for Flags
Determine quantities of sand or sand+cement for laying flags/slabs Appears on:
Laying Flags Page
 
bedding calculator
Imperial Flag Coster
Calculates cost per Yd² and per m² for imperial flags Appears on:
Patio Flags Page
 
bedding calculator
Metric Flag Coster
Calculates cost per m² and per yd² for metric flags Appears on:
Patio Flags Page
 
bedding calculator
5-size generator
Estimates number of each size of flag from a 5-size range needed to pave a given area Appears on:
Random Layouts Page
 
random calculator
6-size generator
Estimates number of each size of flag from a 6-size range needed to pave a given area Appears on:
Random Layouts Page
 
bedding calculator
9-size generator
Estimates number of each size of flag from a 9-size range needed to pave a given area Appears on:
Random Layouts Page