ElectraLink

Stop using Excel for electrical calculations. Generate BS-compliant results and professional PDFs in seconds. Try ElectraLink free for 3 days.

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