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.
![Capacitor Charge](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/capacitor_charge.jpg)
Capacitor Charge Calculator
Calculate time and energy needed to charge a capacitor.
Capacitor Charge Calculator![Fractions](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-fractions.jpg)
Fractions and Decimal
Turn any decimal value into its simplified fraction form.
Fraction - Decimal Conversion![Impedance Matching](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/impedance_matching.jpg)
Impedance Matching Calculator
Impedance matching allows maximum power transfer between two points.
Impedance Matching Calculator![Inductance](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/inductance-conversion-header.jpg)
Inductance Conversion
Turn any Inductance Conversion value into its simplified form.
Inductance Conversion![LED Series Resistor](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-led.jpg)
LED Series Resistor
Calculate appropriate resistance so your LEDs don't burn out prematurely.
LED Series Resistor Calculator![Metric/Imperial Conversion](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-conversion.jpg)
Metric and Imperial
Common Metric and Imperial conversion ratios and calculator.
Metric and Imperial Conversion![](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/op-amp-gain.jpg)
Op-Amp Voltage and Gain Calculator
Op-Amp Voltage and Gain Calculator
Op-Amp Voltage and Gain Calculator![Passive Filter Calculator](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/pass-filters-calc.jpg)
Passive Filter Calculator
Calculate the cut-off frequency and phase shift of a Passive RC Filter.
Passive Filter Calculator![PCB Trace Width Calculator](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-pcb_board.jpg)
PCB Trace Width Calculator
Calculate Printed Circuit Board Width(IPC-2221).
PCB Trace Width Calculator![Pull-up & Pull-down Resistors Calculator](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/pullup_pulldown_resistor.jpg)
Pull-up & Pull-down Resistors Calculator
Calculate the Pull-up & Pull-down resistor value.
Pull-up & Pull-down Resistors![Resistor Colour Code](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-resistor.jpg)
Resistor Colour Codes
Access a convenient and standardised resistance table.
Resistor Colour Calculator![Stepper Motor](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/stepper_motor.jpg)
Stepper Motor
Calculate speed and time per step and max power of a stepper motor.
Stepper Motor Calculator![Temperature](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-temperature.jpg)
Temperature
For any critical temperature analysis, this calculator helps you get your job done faster.
Temperature Calculator![Time Constant](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/transformer_turns.jpg)
Transformer Turns Calculator
Calculate the primary and secondary full-load currents of the transformer.
Transformer Turns Calculator![Twisted-Pair Impedance Calculator](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/calculators/calc-twisted-pair-impedance.jpg)
Twisted-Pair Impedance Calculator
Calculate the characteristic impedance of a twisted-pair cable.
Twisted-Pair Impedance CalculatorFeatured content
![Communication Network protocols](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/technology/articles/2924710/2924710-communication-network-protocols-fc.jpg?mktver2)
Communication Network protocols
In an embedded world, communication protocols are vital in providing a gateway to reliably exchange information among various devices. Discover the collection of rules that govern this.
![Voltage Topologies](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/technology/articles/2924710/2924710-voltage-topologies-fc.jpg?mktver2)
Voltage Topologies – Part 1 of 2
Switching regulators revolutionized supply methods by drastically reducing power supply limitations and miniaturizing equipment. Learn more on regulators and non-isolated DC-DC converters.
![Voltage Topologies](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/technology/articles/2924710/2924710-voltage-topologies-fc.jpg?mktver2)
Voltage Topologies – Part 2 of 2
Continue exploring voltage topologies with the classifications of isolated DC-DC converters, such as flyback, forward, push-pull, half-bridge, and full-bridge converters.
![IoT Wireless Network Protocols](https://www.newark.com/wcsstore/ExtendedSitesCatalogAssetStore/cms/asset/images/common/technology/featured-content/2408173-fc-iot-wireless-network-protocols.jpg)
IoT Wireless Network Protocols
Explore the latest IoT wireless protocols to assist in the selection of the right wireless network protocol for your next IoT application
Sign up for the latest news, offers and solutions
By providing this information, you are consenting to receive emails from the Newark group. However, you may opt out at any time.