Apps Like CALC ToolBox for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
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.
Electrical Calc Elite
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
IP Subnet Calc
Goncalo Silva
Calculate properties and convert addresses
Calculator converts IPv4 and IPv6 addresses. Displays hosts, size, class, mask, wildcard, network, first, last, and broadcast addresses. Adjust CIDR slider to update properties.
Ohm's Law
Creature Code Mobile, LLC
Calculate voltage, current, and resistance
Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.
Unit Converter Calculator Pro
Rome Rock LLC
Convert units between metric and imperial systems
Convert units between metric and imperial systems including area, distance, speed, temperature, volume, time, weight, energy, and power. Calculate area, speed, distance, and volume with supported units. Switch between units quickly and accurately.
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.
Basic Calculator -
SuperDG Inc.
Calculate, edit, and track entries
Perform arithmetic operations with a simple interface. View current calculations and track history. Supports universal device compatibility. No advanced or engineering functions included.
Watts Amps Volts Calculator
Pro Certs Software Ltd
Calculate , , and
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
Subnet Calc
Swipe Stack Ltd
Calculate details instantly
Calculate subnets and IP addresses using CIDR notation. Determine class, private range status, and IP details. View network ranges and reserved addresses. Switch between IPv4 and IPv6 modes.
CALC Smart Calculator ±
QApps LLC
Calculate, convert, and solve equations
Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.
Circuit Playground
Adafruit Industries LLC
Calculate component values and resistor codes
Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.
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