Calculate dBm and voltage levels
Calculate power levels in dBm and watt with addition and subtraction. Convert between dBm, dBW, mW, W, mV, V, dBV, dBµV, and dBu. Adjust for impedance. Perform voltage calculations for correlated and uncorrelated values.
Showing 21–40 of 1,000 ranked alternatives.
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Harjot Singh
Convert units between categories with ease
Convert units across multiple categories including area, data, fuel-milage, length, power, pressure, speed, temperature, time, volume, and weight-mass. Switch between units with a single tap. View conversion results and history.
Phan Nhat Đang
Calculate with accurate results
Calculate by entering speed and air temperature. Support units for air temperature including °C, °F, and Kelvin, and speed in mph, km/h, m/s, and knots. Include a temperature converter for unit conversion.
Media Punk Studios LLC
Udio test tones
Udio test tones with adjustable frequency and amplitude. Create sine waves from 20 Hz to 20 kHz. Add white noise, pink noise, and frequency sweeps via in- purchases. Support square, sawtooth, and triangle waves on compatible devices.
Armchair Engineering
Calculate voltage, current, and resistance
Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.
Tim Burrow
Calculate output voltage and power after attenuation
Calculate output voltage, power, and attenuation based on input voltage and dB loss. Specify impedance for accurate results. Convert between Watts, dBm, and dB values. Calculate NMR pulses using reference power and pulse length.
Raphael Odermatt
Convert units and track rates
Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.
TOWER OF HANOI SOFTWARE COMPANY LIMITED
Calculate and convert units
Perform basic and advanced calculations including addition, subtraction, multiplication, division, and exponents. Convert units between degrees, radians, and grads. Switch between standard and scientific modes.
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Rohde & Schwarz GmbH & Co. KG
Estimates field strength and power.
The app calculates power flux density, electric and magnetic field strength from transmitted power, frequency, and antenna gain. It also computes receiver input power from receiving antenna gain, assuming theoretical values.
William Jockusch
Calculate and graph mathematical functions
Perform complex calculations with a scientific calculator featuring arithmetic, exponentiation, roots, logarithms, factorials, permutations, combinations, and modulus. Graph functions and equations. Export results and share calculations.
Cider Software LLC
Convert units and currencies instantly
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Andreas Maier
Convert and currencies instantly
Convert of measurement and currencies. Switch between currencies like USD, EUR, JPY, and GBP. Convert lengths, masses, volumes, speeds, areas, information, pressure, power, time, and temperature.
Quackstro, LLC
Calculate and directly
Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.
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.
Eric Transon
Radio engineering calculations made simple.
The app provides tools for radio engineering calculations. It can add and subtract dB values, convert noise parameters, and transform return loss metrics.
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