Plan the lift. Check every number.

Lift plans, rigging and ground calculations, load securing and lifting training in one place. Every check updates as you type, and the finished plan prints on A4 ready to sign.

  • Results checked against the engineering workbooks
  • A4 reports with approval
  • Works on a phone at the work front
Two-leg sling: move the sliders
Each leg carries2.89 t
Angle factor1.155

Within the normal working range.

Open the full sling tension calculator
engineering tools in one subscription
5
forklift trucks from 34 makers in the planner
915
mobile crane models in the mat calculator
209
sling arrangements, single-leg to tailing lifts
17

Engineering checks that update as you type

Each tool works through the same method as its engineering workbook, cell for cell, and shows pass and check results as you enter the data.

All calculators

Sling Tension Calculator

Leg tension, sling length and rigging gear selection for 17 arrangements: single-leg, two-leg, four-leg, spreader-beam and tailing lifts, with an optional padeye-to-shackle fit check.

  • 17 hitch and bridle arrangements
  • Unequal legs and offset centre of gravity
  • Sling, shackle and hook selection
  • Padeye-to-shackle fit check against 7 shackle ranges
  • Two arrangements free to use
Two-leg wire rope bridle on a beam, with the sling angle measured and the leg tension formula on a tablet
Sling Tension Calculator sketch

Wooden Mat (Cribbage) Calculator

Outrigger load, ground bearing pressure and timber mat size for mobile cranes, from a database of crane models and presumptive soil bearing values.

  • Crane database with outrigger spreads
  • Presumptive bearing values by soil type
  • Mat size and spread of load
  • Field guide for identifying soils
Crane outrigger float resting on a steel crane mat
Wooden Mat (Cribbage) Calculator sketch

Lashing & Load Securing Calculator

Number and type of lashings for road transport to BS EN 12195-1 and tie-down count rules: friction, forward, rearward and sideways restraint, equipment selection and a pre-trip checklist.

  • Trailer and lashing equipment catalogue
  • Friction, tie-down and direct lashing checks
  • Lashing diagrams by cargo type
  • Compliance report and pre-trip checklist
Heavy load lashed with straps on a flatbed trailer, checked by a supervisor
Lashing & Load Securing Calculator sketch

A lift plan in five steps

The same flow for every planner, on a desk or on a phone at the work front.

  1. Choose the toolSide boom, forklift, sling, mat or lashing.
  2. Enter load and equipmentPick machines and gear from the built-in catalogues.
  3. Read the checksCapacity, angles, ground and restraint update live.
  4. Save and sendStore the plan and send it to an approver by email address.
  5. Print A4Plan, calculation, risks and signatures on A4 or PDF.

Courses for every role in the lift

Certification for riggers, signallers, supervisors, planners and inspectors. Book a place or bring the course to your site.

Full catalogue
Spreader beam lifting a horizontal pressure vessel, signaller standing clear
AdvancedOnsite · Online

Lift Planning and Advanced Rigging — Lifting Supervisor Certification

Three-day course for lifting supervisors who plan and run routine, simple and critical lifts, from rigging selection to crane set-up and lift plans.

3 days (24 hours)Valid 2 yearsUp to 10
USD 2,000per course
Mobile crane lifting a pump skid with two tagline handlers and a signaller
IntermediateOnsite · Online

Rigging and Lift Planning — Lifting Supervisor Certification (1 day)

One-day certification for supervising routine and simple lifts: terminology, crane capacity, load charts, sling angles and pre-use checks.

1 day (8 hours)Valid 2 yearsUp to 10
USD 1,000per course
Banksman giving a hand signal to a mobile crane on site
FoundationOnsite

Rigger / Signalman Certification

Hands-on course for riggers and signallers: rigging safety rules, sling angles, hitch capacities, pre-use inspection, knots and standard hand signals.

2 days (16 hours)Valid 2 yearsMin 10
USD 150per participant
Colour-coded round slings hanging from shackles on a beam in a rigging loft
IntermediateOnsite · Online

Lifting Equipment Inspection — General Certification

Thorough examination and proof load testing of lifting accessories and manual lifting appliances, with documentation and record control.

3 days (24 hours)No expiryUp to 10
USD 1,500per course
Crane outrigger float resting on a steel crane mat
AdvancedOnsite

Mobile Crane Inspection — Certification

Thorough examination and proof load testing of pedestal and mobile cranes, and review of contractors' pre-use crane checklists.

2 days (16 hours)No expiryUp to 10
USD 1,500per course
Forklift truck at a pallet racking with the load centre marked on the load
IntermediateOnsite · Online

Forklift Truck Inspection — Certification

Thorough examination and proof load testing of forklift trucks and stackers, and review of contractors' pre-use checklists.

1 day (8 hours)No expiryUp to 10
USD 1,000per course

Everything a lift plan needs, kept together

Phone held in a work glove showing a passed lifting check at a plant site
  • Projects and history

    Save every plan and calculation with its inputs. Reopen, duplicate or compare earlier versions.

  • Approval workflow

    Send a plan to an approver; they approve or return it with comments. Editing after approval withdraws it.

  • A4 reports

    Plan details, calculation sheet, risk register and signature blocks, ready to print or save as PDF.

  • Field ready

    Guided input panels sized for a phone, so the plan can be checked at the work front.

  • Protected calculations

    Methods and data tables stay on the server. Your projects are private to your account.

  • Workbook accuracy

    Every result is checked against the original engineering workbooks before release.

Every planner and calculator for USD 24.99 a year

One subscription covers lift planning, all calculators, saved projects, A4 reports and the approval workflow. Two sling calculators stay free.