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Engineering Calculators

Here at Rhopoint, we are always looking for more ways to help our customers. We have put together some useful engineering calculators to help you with your day to day work and some possible solutions that we can provide.

Resistors

Ohm’s Law Calculator

Calculates voltage, current, resistance and power using Ohm's Law and the relationships between them.

Heat Sink Size Calculator

Calculates the heat sink size for a given power dissipated in a resistor and ambient conditions.

PPM to % Converter

Converter to easily change PPM (parts per million) to a percentage or the reverse.

Maximum Resistor Power Calculator

Calculates the maximum power that a resistor can dissipate based on a given heat sink size and ambient conditions.

Inrush current limiters, digital isolators and transceivers

Inrush Current Limiter Calculator

Calculates the energy rating of the circuit based on voltage and capacitance.

Pulse Width Distortion Calculator

Calculates the pulse width distortion (PWD) of an IsoLoop® digital isolator based on the data rate.

Power Consumption Calculator

Calculates the power consumption of an IsoLoop® device based on the number of channels and operating frequency.

Pressure, temperature and magnetic sensors

Bar to PSI Converter

Converter to easily change Bar pressure into PSI (pounds per square inch) or the reverse.

Temperature Unit Converter

Convert between Celsius (°C), Fahrenheit (°F) and Kelvin (K) in any combination.

Magnetic Field Strength Converter

Convert between Oersted (Oe), Gauss (G), Tesla (T), milliTesla (mT), Ampere per metre (A/m) and Ampere per centimetre (A/cm).

Flux Density Calculator

Calculates the magnetic field strength at a particular point given changing distances and different magnets.

Need more help? If you have any questions regarding our range or need further assistance with selecting the correct part, we are here to help. Contact us via...​