Electrical Engineering Pro is a comprehensive, professional Excel workbook designed to help electrical engineers, designers, estimators, and electrical contractors perform common electrical design and estimation calculations in one organized tool.

Instead of maintaining multiple spreadsheets for different calculations, this workbook brings essential electrical engineering workflows together with clearly separated input and output areas, automatic calculations, engineering tables, warnings, and a professional dashboard.

What's included:

• Electrical load calculation

• Connected load and demand load calculations

• Single-phase current calculation

• Three-phase current calculation

• Cable sizing calculations

• Voltage-drop calculation

• Breaker sizing

• Conduit fill calculation

• Motor load and motor current calculation

• Transformer sizing

• Generator sizing

• Power-factor correction

• Panel schedule

• Material quantity and cost estimation

• Professional calculation dashboard

• Printable calculation report

• Metric engineering units

• Validated dropdown selections

• Automatic limit/warning indicators

• Transparent Excel formulas

• Organized calculation worksheets

• Contractor-friendly material estimation

Designed For

• Electrical engineers

• Electrical contractors

• Electrical designers

• MEP engineers

• Electrical estimators

• Engineering consultants

• Construction companies

• Maintenance engineers

• Students and engineering trainees

• Small electrical design teams

Why You'll Like It

Everything in one workbook: Reduce the need to maintain separate spreadsheets for common electrical calculations.

Easy to use: Enter your design parameters in the designated input cells and let the workbook perform the calculations.

Transparent formulas: Calculations are visible within the worksheets rather than hidden behind complicated macros.

Professional presentation: A clean dashboard and printable report make the workbook suitable for design documentation and internal project review.

Built for practical work: The workbook combines engineering calculations with panel scheduling and material estimation, making it useful for both design and contracting workflows.

Important Engineering Disclaimer

This workbook is intended as a calculation and design aid. Final electrical designs, equipment selections, conductor sizes, protection settings, and installations must be verified by a qualified electrical professional against the applicable local electrical code, manufacturer requirements, installation conditions, environmental factors, available fault current, conductor derating, and project specifications.

No electrical design should be constructed solely on the basis of this template.