Ohms Law app icon

Apps Like Ohms Law for iPhone and iPad

Calculate power, current, resistance, voltage.

The app calculates voltage, current, resistance, and power. Users input any two values to determine the remaining two using Ohm's Law formulas.

by Pro Certs Software Ltd★ 4.37 ratingsUtilitiesFreeData updated 2026-10-08

Ohms Law screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. Prysmian Group Voltage Drop app icon

    Prysmian Group Voltage Drop

    Prysmian S.p.A.

    Calculate and conductor size

    Calculate to determine maximum circuit distance and minimum conductor size. Input parameters to find required conductor size, actual loss, maximum allowable loss, and maximum amps. Use NEC® table T310.15 (B) (16) 75°C ratings for amperage values.

    ★ 5.06 ratingsProductivityFreeData updated 2026-09-09
  2. PineTool app icon

    PineTool

    Lachlan Bell

    Monitor temperature and power in real time

    Monitor real-time tip temperature and power values. View live temperature and power charts. Adjust temperature set point. Track voltage, handle temperature, uptime, and power source data.

    ★ 5.011 ratingsUtilitiesFreeData updated 2026-09-06
  3. AC Calculator Lite app icon

    AC Calculator Lite

    Melchisedec Martinez Rodriguez

    Calculate BTU, convert units, compare systems, estimate

    Calculate BTU/h capacity and determine recommended equipment types. Convert between BTU, kW, Kcal, and Tons. Check current price estimates and compare inverter versus conventional energy consumption. Unlock advanced features through in- purchases.

    ★ 4.820 ratingsUtilitiesFreeData updated 2026-09-06
  1. Cycle Value app icon

    Cycle Value

    Power Werks, Inc.

    Calculate and remaining cycles

    Calculate and remaining cycles for jet engine LLPs. Estimate repair costs and check current list prices. Offer parts for sale and access part data from multiple airlines and MROs.

    ★ 5.06 ratingsUtilitiesFreeData updated 2026-09-06
  2. Pivot Point Calculator app icon

    Pivot Point Calculator

    Do Tri

    Calculate points for trading analysis

    Calculate points to identify support and resistance levels for financial instruments. Input high, low, and close prices to determine Resistance 4, Resistance 3, Resistance 2, Resistance 1, , Support 1, Support 2, Support 3, and Support 4 values.

    ★ 4.716 ratingsFinanceFreeData updated 2026-09-06
  3. RC Speed Calculator Pro app icon

    RC Speed Calculator Pro

    Degree3, Inc.

    Estimate RC car top

    Calculate RC car top using gear teeth, motor details, and battery info. Input data to get estimates. Record estimates for different setups. Compare with actual measured by gun. Save and review recorded data.

    ★ 4.923 ratingsUtilitiesFreeData updated 2026-09-06
  4. Ductulate HD app icon

    Ductulate HD

    Steven Ramsay

    Calculate air flow and duct sizes

    Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.

    ★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
  5. DrPhos' Molar Mass app icon

    DrPhos' Molar Mass

    Monte L Helm

    Calculate and elemental composition

    Calculate and elemental composition for chemical formulas. Input formulas with subscripts, parentheses, and nested groups. Display total and individual element contributions. Perform elemental analysis for problem-solving and educational purposes.

    ★ 5.09 ratingsEducation$0.99Data updated 2026-09-06
  6. Student Loan Calculator app icon

    Student Loan Calculator

    Astro Media Inc

    Calculate loans, export data, track payments

    Calculate monthly payments, total amount paid, interest paid, and interest saved from extra payments. Determine time saved from additional payments and view a complete amortization schedule. Export calculations to CSV file.

    ★ 4.522 ratingsUtilitiesFreeData updated 2026-09-18
  7. Calculator for Contractors app icon

    Calculator for Contractors

    Flicent Inc

    Calculate square footage and convert measurements

    ContractorCalculator helps users perform on-the-go calculations for square footage, measurement conversions, and fraction math. It supports trade-specific tasks like amps to watts and wire size.

    ★ 4.215 ratingsBusinessFreeData updated 2026-09-16
  8. 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

How we rank alternatives

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