Plan the work
Carry the estimate into the job plan.
The useful result is not just the number. It should support owners, programme assumptions and delivery readiness.
Workflow
Area
Materials
Plasterboard Calculator.
Estimate plasterboard sheet quantity from area, sheet size and waste. Free online tool for UK construction and trade teams.
Connected calculator
Live estimate
Use the result as a planning estimate, then turn it into tasks, templates, evidence and delivery records.4Inputs
2Results
3Trade tags
Estimate In Product
Put the calculation beside the workflow it informs.
Plasterboard Calculator is a quick way to test the number. Zektrx gives that number a route into planning, materials, evidence and reporting once the work starts moving.
1
Plan the work
Area
2
Check materials
Boards required
3
Report the decision
Project Management
Check materials
Turn quantities into stock and purchase context.
Material estimates can connect to stock checks, reservations, purchasing notes and job-linked records.
Workflow
Boards required
Report the decision
Keep assumptions visible after the calculation.
Saved outputs can support reports, handover packs, client review and repeatable estimating habits.
Workflow
Project Management
Instant Results
Boards required
20boards
Rounded board quantity including waste.
Area per board
2.88m2
Calculated sheet area.
Estimate To Evidence
Make the result useful beyond the screen.
A calculator result is most useful when it feeds the job plan, material checks and team briefing that follow the estimate.
Measure the work
Use the estimate as a planning input for scope, labour, equipment and site readiness.
Plan materials
Turn quantities into stock checks, purchasing notes and job-linked material records.
Brief delivery
Give teams the assumptions, limits and checks behind the number before work starts.
Explanation
What this calculates
The board area is calculated from sheet width and length, then waste is applied before rounding up.
Formula
Boards = area / board area x (1 + waste %)
Inputs are validated on screen and converted where unit options are available.
Worked Example
Example result
50 m2 with 1.2 x 2.4 m boards and 10% waste needs 20 boards.
Knowledge Journey
Learn, use, then automate.
1. Learn
GuideStock/materials
Construction materials tracking guide
A practical guide to tracking construction materials from supplier and purchase order through delivery, allocation, use and evidence.
GuideStock/materials
Contractor stock management checklist
A practical stock management checklist for contractors tracking materials, suppliers, purchase orders, job allocations and evidence.
GuideStock/materials
Job-linked materials evidence for contractors
How contractors can link materials evidence to jobs, including purchase orders, delivery notes, photos, stock records and completion packs.
2. Use
CalculatorMaterials
Block Calculator
Estimate block quantity from wall area, blocks per square metre and waste. Free online tool for UK construction and trade teams.
CalculatorMaterials
Brick Calculator
Estimate brick quantity from wall area, bricks per square metre and waste. Free online tool for UK construction and trade teams.
CalculatorMaterials
Insulation Calculator
Estimate insulation pack quantity from area, pack coverage and waste. Free online tool for UK construction and trade teams.
3. Automate
Featureproject management
Construction Project Management Software
Plan projects, coordinate teams and keep actions, evidence and reports visible.
Featurescheduling
Construction Scheduling Software
Coordinate schedules, tasks, dependencies and field readiness.
Featureactions
Construction Action Tracking Software
Assign, track and close out actions from audits, inspections and projects.
4. Start
Start a Zektrx workflow.
Connect resources, calculators, templates, evidence and software modules around the way your contractor team works with the 拢5 trial.
Start 拢5 TrialRelated Content
Connected calculators, templates and workflows.
Related Guides
Keep learning
GuideStock/materials
Construction materials tracking guide
A practical guide to tracking construction materials from supplier and purchase order through delivery, allocation, use and evidence.
GuideStock/materials
Contractor stock management checklist
A practical stock management checklist for contractors tracking materials, suppliers, purchase orders, job allocations and evidence.
GuideStock/materials
Job-linked materials evidence for contractors
How contractors can link materials evidence to jobs, including purchase orders, delivery notes, photos, stock records and completion packs.
Related Calculators
Run the numbers
CalculatorMaterials
Block Calculator
Estimate block quantity from wall area, blocks per square metre and waste. Free online tool for UK construction and trade teams.
CalculatorMaterials
Brick Calculator
Estimate brick quantity from wall area, bricks per square metre and waste. Free online tool for UK construction and trade teams.
CalculatorMaterials
Insulation Calculator
Estimate insulation pack quantity from area, pack coverage and waste. Free online tool for UK construction and trade teams.
Related Templates
Document the work
TemplateQuality Forms
Snagging and Quality Form
Track snags, defects, locations, owners, photos, due dates and close-out sign-off. Free, editable construction template from Zektrx.
TemplateHR Forms
Employee Induction Form
Record worker details, company policies, site rules, competence checks and sign-off. Free, editable construction template from Zektrx.
TemplateMethod Statements
Method Statement Template
Plan the safe sequence of work, people, plant, materials, controls and hold points. Free, editable construction template from Zektrx.
Related Features
Automate the workflow
Featureproject management
Construction Project Management Software
Plan projects, coordinate teams and keep actions, evidence and reports visible.
Featurescheduling
Construction Scheduling Software
Coordinate schedules, tasks, dependencies and field readiness.
Featureactions
Construction Action Tracking Software
Assign, track and close out actions from audits, inspections and projects.
Related Industries
Trade workflows
Industryprincipal contractors
Principal Contractors Software
Principal contractor hubs for subcontractor coordination, RAMS, permits, site records, actions and audit evidence.
Industrysteel fabricators
Steel Fabricators Software
RAMS, drawings, workshop records, install evidence and handover workflows for steel fabricators. One platform for documents, evidence and compliance.
Related Comparisons
Compare options
Comparisongeneric construction management software
Best Construction Management Software
A construction management software buyer guide for teams comparing project controls, site records, documents, compliance and contractor operations.
ComparisonProcore
Zektrx vs Procore
Compare Zektrx with Procore for contractors that need RAMS, site evidence, document control and day-to-day trade operations without enterprise complexity.
ComparisonSpreadsheets
Zektrx vs Spreadsheets
Compare Zektrx with spreadsheet-based construction admin for RAMS, site records, document control, actions, stock and reporting.
Related FAQs
Does this include mortar?
No. Estimate mortar separately using supplier rates or your estimator's norms.
From Block Calculator
Should I include waste?
Yes. Cutting, breakage and site handling usually need an allowance.
From Block Calculator
Does this deduct openings?
Enter net wall area after deductions when you want a tighter estimate.
From Brick Calculator
What rate should I use?
Use the rate for the specific brick, bond and joint size from your supplier or estimator.
From Brick Calculator
FAQ
Calculator questions.
Does this account for double boarding?
Enter the total boarded area including layers when double boarding is required.
Does this include fixings and tape?
No. Add accessories using supplier rates or project-specific norms.
Next Step
Start a Zektrx workflow.
Connect resources, calculators, templates, evidence and software modules around the way your contractor team works with the 拢5 trial.