ElectraLink

ElectraLink – Electrical Calculations & PDF Reports

Try free for 3 days

ElectraLink is a professional electrical engineering calculator designed to replace spreadsheets and manual calculations with fast, accurate, and standards-compliant results.

Built for electrical, MEP, site, and facility engineers, the app follows British Standards (BS) and provides step-by-step calculations with professional PDF reports that can be saved, reused, and shared instantly.

- Core Features
Electrical calculations compliant with BS 7671 and BS 7430
Step-by-step formulas with engineering references
Metric units throughout
Professional PDF report generation
Save calculations within the app's data base and reopen anytime, no extra device storage needed.
Share results via WhatsApp, email, or cloud

Free 3-day full-access trial

- Cable & Circuit Breaker Calculator (BS 7671)
Calculate the correct copper cable size and circuit breaker or fuse rating based on load and installation conditions.
Installation method selection (Appendix 4)
Automatic derating factors (temperature, grouping, breaker type)
Voltage drop verification
Final selection of standard cable and breaker size
Detailed step-by-step results with formulas
Exportable PDF calculation report
Note: Calculations may take up to one minute on older devices due to extensive reference table processing.
- Earthing Calculator (BS 7430:2011)
Estimate earthing system requirements accurately.
Earth rod length and quantity calculation
Earth mesh strip size and length selection
Soil resistivity charts and tables
Wenner (four-probe) soil resistivity method
Professional soil resistivity PDF report
- Trunking Sizing Calculator (BS 7671 – Appendix 5)
Determine the correct metal trunking size for grouped cables.
Capacity calculations using Tables 5E & 5F
Automatic occupancy check (max 45% fill)
Immediate selection results
Detailed tables and charts
PDF output for documentation

- Power Factor Correction (PFC)
Calculate capacitor bank size to improve power factor.
Capacitor sizing in kVAR and µF
Power triangle parameters with calculations
Improved electrical efficiency and reduced energy costs
PDF report generation

- Conduit Sizing Calculator (BS 7671 – Appendix 5)
Select the correct conduit size for grouped cables.
Tables 5A, 5B, 5C & 5D applied
Automatic factor comparison
Ensures minimum compliant conduit size
Detailed charts and PDF export

-Reports & Sharing
Generate professional PDF calculation reports
Save and reopen calculations anytime
Share instantly with colleagues and consultants

-Trial & Subscription
Free 3-day trial
Flexible plans: 3 months, 6 months, 12 months, or lifetime
Affordable pricing for professional engineers