Transformer Calculator Plus app icon

Apps Like Transformer Calculator Plus for iPhone and iPad

Calculate voltage and current

Calculate parameters like voltage, current, and turns ratio. Determine step-up or step-down operation. Input known values to solve for unknowns. Perform calculations for turns ratio based on voltage and current.

by Tan Chia Ling★ 3.24 ratingsUtilities$2.99Data updated 2026-09-06

Transformer Calculator Plus screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Transformer Calculator. app icon

    Transformer Calculator.

    V PUGAZHENTHI

    Calculate currents and determine type

    Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.

    ★ 4.847 ratingsUtilitiesFreeData updated 2026-09-06
  2. PTI Transformer app icon

    PTI Transformer

    Push Interactions, Inc.

    Calculate parameters and convert units

    Calculate current, phase voltage, efficiency, and regulation at different loads and power factors. Convert SI units for speed, force, power, area, pressure, volume, temperature, and weight. Determine ship dates using weeks after order.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-08
  3. Ohms Law Calc. app icon

    Ohms Law Calc.

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.

    ★ 4.71,326 ratingsUtilitiesFreeData updated 2026-09-08
  1. Electrical Calculator app icon

    Electrical Calculator

    V PUGAZHENTHI

    Calculate values instantly

    Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.

    ★ 4.6462 ratingsUtilities$3.99Data updated 2026-09-08
  2. Ugly's Electrical References app icon

    Ugly's Electrical References

    Informed Publishing

    Access code tables and track updates

    Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.

    ★ 4.41,489 ratingsProductivity$12.99Data updated 2026-09-09
  3. Electrical Calculator lite app icon

    Electrical Calculator lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.

    ★ 4.6575 ratingsUtilitiesFreeData updated 2026-09-09
  4. SLD | Electrical diagrams app icon

    SLD | Electrical diagrams

    Angel Martinez

    Create with drag-and-drop symbols

    Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .

    ★ 4.1132 ratingsProductivity$1.99Data updated 2026-09-08
  5. Electrical Engineering Pack app icon

    Electrical Engineering Pack

    V PUGAZHENTHI

    Calculate values instantly

    Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.

    ★ 4.776 ratingsEducation$4.99Data updated 2026-09-08
  6. eTesla app icon

    eTesla

    Straccia Emidio Co.Sei sistemi

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-09
  7. Southwire® Voltage Drop Calc app icon

    Southwire® Voltage Drop Calc

    Southwire Company

    Calculate and wire size

    Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.

    ★ 4.61,480 ratingsUtilitiesFreeData updated 2026-09-08
  8. 2017 Master Electrician Ref. app icon

    2017 Master Electrician Ref.

    PawEng, LLC

    Access electrical codes and standards

    Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.

    ★ 4.71,257 ratingsProductivity$9.99Data updated 2026-09-09
  9. Transformer Calc 2 app icon

    Transformer Calc 2

    Snappy Appz Inc.

    Calculate transformers on the fly

    Allows users to perform electrical calculations for sizing, overcurrent, wire, and conduit. It supports 2017 NEC and 2021 CEC codes for US and Canada.

    ★ 1.01 ratingsUtilities$4.99Data updated 2026-09-06
  10. Electrical Components Quiz app icon

    Electrical Components Quiz

    Forwa Elade Wunde

    Identify with AI

    Identify using an AI model. Test knowledge with 2000+ . Earn 5 points per correct answer, lose 3 for incorrect ones. Retake levels to improve score. Track progress through levels requiring 25 points to advance.

    ★ 5.06 ratingsEducationFreeData updated 2026-09-06
  11. Mike Holt's Electrical Toolbox app icon

    Mike Holt's Electrical Toolbox

    Mike Holt Enterprises Inc.

    Size conductors, calculate voltage drop, select circuit

    Provides conductor sizing calculations, circuit protection sizing, raceway sizing, and equipment grounding conductor sizing for heating and air-conditioning equipment.

    ★ 4.6197 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.