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About
CuCalc: Electrical Cable Sizing & Project Management
Professional electrical engineering at your fingertips.
Generate professional technical reports instantly. CuCalc is the ultimate all-in-one tool for electricians, engineers, and contractors to handle accurate cable sizing, voltage drop calculations, and automated Bill of Materials (BOM) management on-site or in the office.
Try it now—generate your first professional PDF report completely free!
WHY CHOOSE CUCALC?
• Stop using manual spreadsheets. CuCalc calculates AND manages.
• Automatically aggregates your project bill of materials.
• Built-in safety warnings prevent mechanical strength and compliance errors.
• Saves hours of manual administrative procurement work.
KEY FEATURES:
• SMART CABLE SIZING: Precise calculations based on power, voltage, and load type (including specialized motor calculations).
• DUAL STANDARDS: Full compliance tracking for both IEC (International) and NEC (USA/North America) standards.
• UNIT FLEXIBILITY: Toggle instantly between Metric (mm²) and Imperial (AWG/kcmil) units.
• AUTOMATED MATERIAL SUMMARY: Add cables, breakers, and accessories. CuCalc sums up identical material types across multiple entries for quick ordering.
• PROJECT ARCHIVE: Group multiple calculations into neat projects. Save, edit, and export your history seamlessly.
• CUSTOM INVENTORY: Add your own custom materials, unique cables, or specialized fuses to any project.
• PROFESSIONAL PDF REPORTS: Export detailed, branded technical reports with your Company Name to share with clients or team members.
TECHNICAL SPECIFICATIONS:
• Calculations: Voltage drop, current (A), minimum permitted conductor size, and breaker pairing.
• Localization: Fully translated in English, German, French, and Croatian.
Download CuCalc today to eliminate calculation errors and professionalize your electrical workflow.
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What's New in CuCalc
1.1
May 14, 2026
- New Free Trial: Try before you buy! You can now generate your first PDF completely free before making a purchase. - In-App Rating: Love the app? You can now easily rate us and share your feedback directly inside the app. - Bug Fixes: We fixed issues with parameter inputs and made general performance improvements for a smoother experience.
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In-App Purchases
$9.99
CuCalc Pro
Project Archive, PDF Export, without limits.









