Electrical Toolkit Pro

The electrical calculator app built for electricians and electrical contractors. Run voltage drop, cable sizing, load calculations and 16 more electrical calculators — then organize every result by project and generate a client-ready PDF report. 100% offline. One-time purchase, no subscription.

Also works as your everyday wire size calculator, amp calculator, and electrical load calculator on residential, commercial, and industrial jobs.

WHY ELECTRICAL TOOLKIT PRO
• 19 professional electrical calculators, all in one app
• Organize calculations by project and client, not just as one-off results
• Every saved calculation can be reopened and edited later
• Automatic material cost estimate as you add calculations
• Generate a professional PDF report in one tap — ready to send to a client
• Built-in reference library with the tables electricians actually use
• Works 100% offline — no signal needed on site
• Dark, glare-resistant interface designed for outdoor and jobsite use
• One-time purchase. No subscription. No ads.

CORE CALCULATORS
Voltage drop • Cable sizing • Breaker sizing • Load calculation • Conduit fill

POWER CALCULATORS
Single phase current • Three phase current • kW to kVA • HP to kW • Power factor

EQUIPMENT CALCULATORS
Transformer sizing • Generator sizing • Battery backup calculation

INSTALLATION CALCULATORS
Earthing / grounding conductor sizing • Cable tray fill • Conduit sizing

ESTIMATING CALCULATORS
Cable quantity & cost • Conduit quantity & cost • Breaker quantity & cost • Automatic project material total

PROJECT-BASED WORKFLOW
Create a project for every job. Save calculations to it as you go. Come back days later, reopen any saved calculation, and edit it. Your material cost estimate updates automatically as you add calculations — no separate spreadsheet needed.

REFERENCE LIBRARY
AWG to mm2 conversion, cable ampacity, standard breaker sizes, copper resistance, voltage drop constants and conduit dimensions — the same data your calculators use, always available even without service.

PROFESSIONAL PDF REPORTS
Generate a report with your name, the client's details, site address, every saved calculation, and the material estimate — then share it straight from the app by email, text, or any app you already use. Look organized and professional on every job.

WHO IT'S FOR
Licensed electricians, apprentices, and electrical contractors who need fast, accurate calculations in the field without juggling a calculator app, a notebook, and a separate PDF tool.

Download Electrical Toolkit Pro and turn every job into an organized project — with numbers you can trust and a report you can hand your client.

Recent changes:
3.0 is a full rebuild — no longer just a calculator collection, now a project-based job companion.

NEW: Projects — organize calculations by job & client
NEW: 19 calculators (Core, Power, Equipment, Installation, Estimating)
NEW: Reference library — AWG/mm2, ampacity, breakers, resistance, conduit
NEW: One-tap PDF reports, ready to send to clients
NEW: Automatic material cost estimate per project
NEW: Dark, glare-resistant field-ready interface