Electrical Formulator vs Electric Master

Electrical Formulator: Your Complete Electrical Calculation Tool Solve virtually any electrical design or engineering challenge with this powerful and intuitive electrical formulator. Packed with hundreds of conversion and calculation tools, it’s the most versatile utility in your toolkit. Save, print, or email your results. Easily access your most-used and recently used formulas. Every calculation is automatically saved for future reference. Key Features: • Instant access to over 100 professional-grade electrical formulas • Save and organize your results for later reference • Share results via email or print • Highlights your most-used and recent formulas • Designed for engineers, electricians, and energy professionals Formula Categories: Batteries • Starting motor amperage • Number of cells required • Estimated operating time Cost Calculations • Appliance and lighting energy usage • Estimated usage hours for new bulbs • Insulation payback period BTU Conversions • BTU to joules, horsepower-hr, watt-hr, calories, foot-pounds, and more Generator Calculations • DC generator output • Generator amperage and efficiency Impedance & Reactance • Resistance & reactance combinations • Inductive and capacitive reactance • Total impedance and parallel circuits Kilowatts & Joules • Convert kilowatts to BTU/hr, joules/sec, lumens, horsepower, megajoules/hr, and more Motors • Single- and three-phase motor calculations • Locked rotor current • Motor kVA (including multiple input scenarios) • Motor speed analysis Ohm’s Law • Calculate for power, voltage, resistance, or current Transformers • Primary and secondary amperage • Full-load transformer sizing (208V, 240V, 480V for single and three-phase) • Impedance and amperage capacity calculations Voltage Drop • Copper and aluminum wire voltage drop (1-phase and 3-phase) • US/Imperial and metric units supported Wiring & Conduits • Wire size and resistance (copper and aluminum) • Wire length calculations • Conduit sizing Whether you’re working in the field, the lab, or the classroom, this electrical formulator helps you work faster, smarter, and with confidence. Users are able to calculate twelve formulas for FREE. Purchase a subscription to calculate additional formulas. All subscriptions come with a 1-WEEK FREE TRIAL and SUPPORT Family Sharing.

Every answer names the code table it came from — 310.16, Chapter 9, 250.122, Article 220 — so you can check it, cite it to an inspector, and learn it. That is the whole point. 20 calculators and a full panel planner. All of it works with no signal, in a basement, on a roof, in a crawlspace. PANEL PLANNER + PANEL SCHEDULE Lay out the actual board on screen. Drag breakers, GFCI/AFCI devices, busbars and terminals onto the rail, wire them up, name every circuit. Then export a PDF with your logo: panel schedule, board drawing and a parts list, ready to hand over. NO ACCOUNT, NO ADS - VOLTAGE DROP — branch and feeder circuits, instant 3%/5% check - AMPACITY — NEC Table 310.16 lookup, every size and insulation type - GROUND WIRE — equipment grounding conductor per 250.122 - OHM'S LAW and POWER TRIANGLE - THREE PHASE - PANEL PLANNER — free to enter and draw, core devices included MORE CALCULATORS - WIRE SIZING — the right conductor for the circuit, accounting for ampacity and temperature - CONDUIT FILL — EMT, IMC, RMC, PVC and flexible raceway - CONDUIT BENDING — 9 bend types (90°, offset, 3- and 4-point saddle, rolling offset, concentric, back-to-back, parallel offsets, matching centers), bender presets and an on-screen level - BOX FILL — junction box sizing per 314.16 - DWELLING LOAD — service sizing per Article 220 - NON-DWELLING DEMAND — commercial load calculation - SERVICE ENTRANCE — service and feeder sizing - GROUNDING ELECTRODE — per 250.66 - DERATING — temperature and conduit-fill factors - MOTOR — branch circuit protection per Article 430 - TRANSFORMER — overcurrent protection per Article 450 - FAULT CURRENT — available short-circuit current - EV CHARGER — EVSE branch circuit and load - SELECTIVITY — protective device coordination FOUR CODES, ONE APP NEC 2023 and 2026 - CEC 2024 (CSA C22.1) - BS 7671 - DIN VDE 0100. The app picks the right one for your region, and you can switch any time. Nobody else carries all four. PAY ONCE IF YOU WANT TO Every calculator gives you one free visit first, so you can check the math against your own book before you decide. Then choose a one-time Lifetime purchase and never see a subscription again — or pay yearly or monthly if you prefer. BUILT FOR THE TRUCK, NOT THE OFFICE - 100% offline. No internet, no account, no sign-up. - No ads. No tracking. No data collected. - PDF reports with your company logo and license number, US Letter or A4 - History with job names, side-by-side comparison, Siri Shortcuts, Home Screen widget Not affiliated with, endorsed by, or sponsored by the NFPA, CSA Group or the IET. NEC and National Electrical Code are registered trademarks of the National Fire Protection Association, Inc. Always verify against the adopted code edition in your jurisdiction. Terms: https://laborsam.com/apps/electric-master/terms Privacy: https://laborsam.com/apps/electric-master/privacy