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
Ladder length
Health & Safety
Ladder Angle Calculator.
Check ladder angle and vertical reach using ladder length and wall distance. 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.2Inputs
2Results
3Trade tags
Estimate In Product
Put the calculation beside the workflow it informs.
Ladder Angle 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
Ladder length
2
Check materials
Ladder angle
3
Report the decision
Risk Assessment
Check materials
Turn quantities into stock and purchase context.
Material estimates can connect to stock checks, reservations, purchasing notes and job-linked records.
Workflow
Ladder angle
Report the decision
Keep assumptions visible after the calculation.
Saved outputs can support reports, handover packs, client review and repeatable estimating habits.
Workflow
Risk Assessment
Instant Results
Ladder angle
75.5degrees
Angle between ladder and ground.
Vertical reach
4.84m
Approximate vertical height reached.
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 ladder is treated as the hypotenuse of a right triangle.
Formula
Angle = arccos(base distance / ladder length)
Inputs are validated on screen and converted where unit options are available.
Worked Example
Example result
A 5 m ladder with the base 1.25 m from the wall gives an angle of about 75.5 degrees.
Knowledge Journey
Learn, use, then automate.
1. Learn
GuideRAMS Guides
RAMS Guide for Roofing Contractors
A practical RAMS guide for roofing contractors covering access, fragile surfaces, weather, edge protection, lifting and site evidence.
GuideInternational terminology
Roofing contractors United Kingdom software guide
UK roofing contractor software guide for RAMS, work at height controls, COSHH, site evidence, handover records and rollout planning.
GuideInternational terminology
Roofing contractors Ireland software guide
Ireland roofing contractor software guide for RAMS, work at height records, safety statements, site evidence and handover workflows.
2. Use
CalculatorHealth & Safety
Working at Height Calculator
Screen work-at-height task risk using height, duration, people and control rating. Free online tool for UK construction and trade teams.
CalculatorHealth & Safety
Manual Handling Calculator
Create a simple manual handling risk score from load, frequency, distance and twisting. Free online tool for UK construction and trade teams.
CalculatorHealth & Safety
HAVS Calculator
Estimate hand-arm vibration A(8) exposure from vibration magnitude and trigger time. Free online tool for UK construction and trade teams.
3. Automate
Featurerams
RAMS Software
Create, review and manage RAMS, method statements, signatures and evidence.
Featurerisk assessment
Risk Assessment Software
Build controlled risk assessments with owners, review dates and linked evidence.
Featuresafety
Construction Health and Safety Software
Connect RAMS, incidents, training, permits, inspections and safety evidence.
4. Start
Create a risk assessment in Zektrx.
Turn hazards, controls, owners, reviews and evidence into a controlled risk assessment workflow.
Create Risk AssessmentRelated Content
Connected calculators, templates and workflows.
Related Guides
Keep learning
GuideRAMS Guides
RAMS Guide for Roofing Contractors
A practical RAMS guide for roofing contractors covering access, fragile surfaces, weather, edge protection, lifting and site evidence.
GuideInternational terminology
Roofing contractors United Kingdom software guide
UK roofing contractor software guide for RAMS, work at height controls, COSHH, site evidence, handover records and rollout planning.
GuideInternational terminology
Roofing contractors Ireland software guide
Ireland roofing contractor software guide for RAMS, work at height records, safety statements, site evidence and handover workflows.
Related Calculators
Run the numbers
CalculatorHealth & Safety
Working at Height Calculator
Screen work-at-height task risk using height, duration, people and control rating. Free online tool for UK construction and trade teams.
CalculatorHealth & Safety
Manual Handling Calculator
Create a simple manual handling risk score from load, frequency, distance and twisting. Free online tool for UK construction and trade teams.
CalculatorHealth & Safety
HAVS Calculator
Estimate hand-arm vibration A(8) exposure from vibration magnitude and trigger time. Free online tool for UK construction and trade teams.
Related Templates
Document the work
TemplateRAMS
RAMS Template
A controlled structure for task hazards, method statement steps, controls, signatures and review evidence.
TemplateRisk Assessments
Construction Risk Assessment Template
Identify hazards, people at risk, existing controls, further actions and review dates. Free, editable construction template from Zektrx.
TemplatePermits
Permit to Work Template
Control permit scope, hazards, isolations, approvals, handback and close-out checks. Free, editable construction template from Zektrx.
Related Features
Automate the workflow
Featurerams
RAMS Software
Create, review and manage RAMS, method statements, signatures and evidence.
Featurerisk assessment
Risk Assessment Software
Build controlled risk assessments with owners, review dates and linked evidence.
Featuresafety
Construction Health and Safety Software
Connect RAMS, incidents, training, permits, inspections and safety evidence.
Related Industries
Trade workflows
Industryroofing
Roofing Contractors Software
Roofing contractor RAMS, work-at-height controls, permits, photos, site records and client evidence.
Industryelectrical
Electrical Contractors Software
Electrical contractor RAMS, permits, testing evidence, drawings, site records and handover packs. One platform for documents, evidence and compliance.
Industryscaffolding
Scaffolders Software
Scaffolding contractor RAMS, inspections, handover certificates, permits, photos and site evidence. One platform for documents, evidence and compliance.
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Related FAQs
Is this a legal work-at-height assessment?
No. It is a planning prompt that supports, but does not replace, competent risk assessment.
From Working at Height Calculator
What should high scores trigger?
Review avoidance, collective protection, access equipment, rescue planning, permits and supervision.
From Working at Height Calculator
Is this an official manual handling assessment?
No. It helps triage tasks before a competent risk assessment and site-specific controls.
From Manual Handling Calculator
What should a high score trigger?
Review mechanical aids, team lifting, route changes, reduced load weight, handling frequency and training.
From Manual Handling Calculator
FAQ
Calculator questions.
What angle should I aim for?
Many ladder checks use the 1-in-4 rule, which gives roughly 75 degrees.
Does this prove a ladder is safe?
No. Check ground, condition, securing, access, duration and whether safer equipment is required.
Next Step
Create a risk assessment in Zektrx.
Turn hazards, controls, owners, reviews and evidence into a controlled risk assessment workflow.