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  • Calculators & Conversion Charts

    Newark's online conversion calculators and conversion tables provide the conversion ratios you need for your everyday calculations.

    Whether you're trying to move from imperial measurements to metric, solve for Ohm's law, or make sure you've got the correct weight, these tools are designed to help.

    American Wire Gauge

    American Wire Gauge

    American Wire Gauge Conversion Calculator.

    AWG Calculator
    Battery Life

    Battery Life

    How much life is in that battery based on its use?

    Battery Life Calculator
    Capacitor Charge

    Capacitor Charge Calculator

    Calculate time and energy needed to charge a capacitor.

    Capacitor Charge Calculator
    Capacitor

    Capacitor Conversion Tool

    Convert between uF, nF and pF.

    Capacitor Conversion Chart
    decibel to watt calculator

    dBm to Watts

    Converts between dBm and watts.

    dBm to Watts Calculator
    Energy

    Energy

    BTUs, Joules, and kWh - dynamically computed as you type!

    Energy Calculator
    Fractions

    Fractions and Decimal

    Turn any decimal value into its simplified fraction form.

    Fraction - Decimal Conversion
    Inductance

    Inductance Conversion

    Turn any Inductance Conversion value into its simplified form.

    Inductance Conversion
    LED Series Resistor

    LED Series Resistor

    Calculate appropriate resistance so your LEDs don't burn out prematurely.

    LED Series Resistor Calculator
    Length

    Length

    Inches? Feet? Yards? Miles? Meters? Metres? We've got you covered.

    Length Calculator
    Mass and Weight

    Mass and Weight

    Move seamlessly from ounces to pounds to grams.

    Mass and Weight Calculator
    Metric/Imperial Conversion

    Metric and Imperial

    Common Metric and Imperial conversion ratios and calculator.

    Metric and Imperial Conversion
    Ohm's Law

    Ohm's Law

    Save time with this quick tool to find your circuit values.

    Ohm's Law Calculator

    Op-Amp Voltage and Gain Calculator

    Op-Amp Voltage and Gain Calculator

    Op-Amp Voltage and Gain Calculator
    Passive Filter Calculator

    Passive Filter Calculator

    Calculate the cut-off frequency and phase shift of a Passive RC Filter.

    Passive Filter Calculator
    PCB Trace Width Calculator

    PCB Trace Width Calculator

    Calculate Printed Circuit Board Width(IPC-2221).

    PCB Trace Width Calculator
    Power

    Power

    Get your power converted down to a base number, quickly and easily.

    Power Calculator
    Pressure

    Pressure

    Convert millibars to kilopascals and vice versa.

    Pressure Calculator
    Pull-up & Pull-down Resistors Calculator

    Pull-up & Pull-down Resistors Calculator

    Calculate the Pull-up & Pull-down resistor value.

    Pull-up & Pull-down Resistors
    Resistor Colour Code

    Resistor Colour Codes

    Access a convenient and standardised resistance table.

    Resistor Colour Calculator
    Series/Parallel Capacitance

    Series/Parallel Capacitance

    Calculate overall capacitance value.

    Series/Parallel Capacitance
    Temperature

    Temperature

    For any critical temperature analysis, this calculator helps you get your job done faster.

    Temperature Calculator
    Terms and Measurements

    Terms and Measurements

    Not sure about one of the terms in our calculators?

    Terms and Measurements
    Time Constant

    Time Constant

    Voltage x Capacitance x Load Resistance.

    Time Constant Calculator
    Twisted-Pair Impedance Calculator

    Twisted-Pair Impedance Calculator

    Calculate the characteristic impedance of a twisted-pair cable.

    Twisted-Pair Impedance Calculator
    Volume Calculator

    Volume Calculator

    BTUs, Joules, and kWh - dynamically computed as you type!

    Volume Calculator

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