Cable Sizing Software for Electrical Engineers

Size LV to 33 kV cables to BS 7671, ERA 69-30 and IEC 60502 with faster, auditable calculations.

Cable Sizing Calculations

Manage, select and size power cables in one workflow, with calculation results and reports that are easy to review.

Calculate current capacity, voltage drop and fault levels against recognised engineering standards.

Supports BS 7671, ERA 69-30 and IEC 60502 calculations.

Designed for cables from LV to 33 kV.

Cable sizing software interface showing cable selection and installation current capacity inputs

myCableEngineering is everything you need to size, engineer and manage your cables!

A web-based cable engineering tool for electrical engineers

Example cable sizing report

From Cable Design to Professional Reports

For consultants, electrical design engineers, contractors and engineering companies.

Manage the complete workflow in one application:

Project → Cables → Calculations → Reports

Size cables, retain the supporting calculations and produce professional reports for clients, contractors and end users.

Save Time – Quickly size cables. Efficiently test different scenarios and evaluate various installation arrangements.

Reduce Errors – Accurate results, fewer mistakes.  All parameters are automatically allocated and checked to ensure accurate sizing.

Standard Compliance – Apply recognised cable-sizing methods based on supported engineering standards.

Free Plan

Start sizing your cables today for free

Get 30 credits each month to evaluate the application and carry out light cable-sizing work. No credit card is required and there are no pay-as-you-go charges.

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Project Management

Set up projects for cables. Collaborate within teams, ensuring that everything stays on track.

Cables

Manage your cables in one place. Easily Add, Edit and Delete cables for a project. 

Current Capacity

Determine the current capacity of your cables in line with BS 7671, ERA 69-30 or IEC 60502. Or adopt a pre-calculated capacity.

Voltage Drop

Accurate voltage drop calculations in line with IEC standards, and at the conductor operating temperature.

Fault Rating

Carry out Short-circuit and earth-fault ratings and cable withstand. Fully in accordance with IEC 60909.

Cable Types

Select from a variety of cable types, from low-voltage up to 33 kV. Generic cables based on IEC 60502 or manufacturer-specific cables.

Reports

Make informed decisions with myCableEngineering's advanced reporting features. Clear, easy-to-read, and informative calculation reports, cable schedules, material takeoffs and final project delivery reports.

Any Device

Optimised across devices. Whether working on a computer, tablet or smartphone, you'll have access to all the features you need.

Pro Plan

£10 per month includes 60 credits for regular project work.

When those credits are used, continue working for £0.15 per additional credit, with a maximum budget you control. Cancel at any time.

View Pro Pricing

Pay Only for What You Use

Adding and sizing a cable costs just 90p at the pay-as-you-go rate. For this, you can size and review the cable, retain the complete design in your project, and return to update it as needed.

Professional reports can be produced for clients, contractors, or end users using additional credits.

Save engineering time, improve design accuracy, and create clearer deliverables—while paying only for the work you carry out.

See How Credits Work