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Alasos

Engineering Tools & Calculators

Practical Engineering Tools for Better Decisions

Calculate, estimate, analyse and plan using practical engineering tools designed for engineers, contractors and construction professionals.

9 engineering categories70 tools27 calculators free, no sign-up

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70 tools to browse

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Free tools available now, no sign-up required.

The Alasos ecosystem

  1. Knowledge
  2. Calculate
  3. Analyse
  4. Apply
  5. Report

Engineering Categories

Construction Calculators

Concrete, reinforcement, formwork, blockwork, finishes, excavation and backfill quantities.

11 tools · Includes free toolsExplore Tools

HVAC Design

Cooling loads, airflow, duct sizing, static pressure, chilled water and equipment selection.

15 tools · Includes free toolsExplore Tools

Electrical

Load estimates, current, cable sizing, voltage drop, breakers and generators.

7 tools · Includes free toolsExplore Tools

Plumbing

Water demand, tank capacity, pipe sizing, pumps and drainage estimates.

6 tools · Includes free toolsExplore Tools

Fire Fighting

Flow, pressure, fire pump and fire water tank estimates.

4 tools · Includes free toolsExplore Tools

BOQ & Quantity Surveying

Discipline bills of quantities and a multi-discipline BOQ generator.

7 tools · Check each tool tierExplore Tools

Cost & Estimation

Construction cost, unit rate analysis, markup, margin, break-even and tender price.

7 tools · Includes free toolsExplore Tools

Project Control

Cash flow, forecasting, cost-to-complete, earned value, variations and KPIs.

8 tools · Check each tool tierExplore Tools

Tendering & Risk

Go / No-Go decisions, risk matrix, bid evaluation and subcontractor comparison.

5 tools · Includes free toolsExplore Tools

Calculators with full guides

These calculators include the method, the assumptions, a worked example and answers to common questions.

Tool levels and engineering suitesOpen to compare levels and browse workflows.

Tool Levels

Compare levels
Free

Simple, useful engineering calculators available to everyone.

Professional

Advanced calculations, project saving, comparisons, calculation history and professional PDF/Excel reports.

Premium

Complete integrated engineering workflows and suites.

Integrated Engineering Suites

Integrated workflows that connect calculations through to the final report, rather than isolated calculators.

HVAC Design Suite

Premium

An integrated workflow from cooling load through to the professional report.

  1. Cooling Load
  2. Airflow
  3. Duct Sizing
  4. ESP
  5. Chilled Water
  6. Pump Head
  7. Equipment Assistance
  8. Professional Report
Start the workflowView category

Construction Estimation Suite

Premium

Quantities to cost to report in a single workflow.

  1. Quantities
  2. Wastage
  3. Resources
  4. Unit Rates
  5. Cost
  6. Professional Report
Start the workflowView category

Electrical Design Suite

Premium

From load estimation through cable and protection selection.

  1. Loads
  2. Current
  3. Cable Size
  4. Voltage Drop
  5. Breakers
  6. Professional Report
Start the workflowView category

Plumbing Design Suite

Premium

From water demand through pumps and drainage.

  1. Water Demand
  2. Storage
  3. Pipe Sizing
  4. Pumps
  5. Drainage
  6. Professional Report
Start the workflowView category

My Engineering Workspace

Organise projects, calculations, BOQs, estimates and reports in one place.

Open the workspace

Professional Reports

PDF and Excel outputs carrying Alasos branding, project name, inputs, assumptions, results, date, version number and disclaimer.

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