# 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.

### 555 Timer

555 Timer Calculator.

### American Wire Gauge

American Wire Gauge Conversion Calculator.

### Battery Life

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

### Capacitor Charge Calculator

Calculate time and energy needed to charge a capacitor.

### Capacitor Conversion Tool

Convert between uF, nF and pF.

### dBm to Watts

Converts between dBm and watts.

### Energy

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

### Fractions and Decimal

Turn any decimal value into its simplified fraction form.

### Impedance Matching Calculator

Impedance matching allows maximum power transfer between two points.

### Inductance Conversion

Turn any Inductance Conversion value into its simplified form.

### LED Series Resistor

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

### Length

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

### Mass and Weight

Move seamlessly from ounces to pounds to grams.

### Metric and Imperial

Common Metric and Imperial conversion ratios and calculator.

### Ohm's Law

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

### Op-Amp Voltage and Gain Calculator

Op-Amp Voltage and Gain Calculator

### Passive Filter Calculator

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

### PCB Trace Width Calculator

Calculate Printed Circuit Board Width(IPC-2221).

### Power

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

### Pressure

Convert millibars to kilopascals and vice versa.

### Pull-up & Pull-down Resistors Calculator

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

### Resistor Colour Codes

Access a convenient and standardised resistance table.

### Series/Parallel Capacitance

Calculate overall capacitance value.

### Stepper Motor

Calculate speed and time per step and max power of a stepper motor.

### Temperature

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

### Terms and Measurements

Not sure about one of the terms in our calculators?

### Time Constant

Voltage x Capacitance x Load Resistance.

### Transformer Turns Calculator

Calculate the primary and secondary full-load currents of the transformer.

### Twisted-Pair Impedance Calculator

Calculate the characteristic impedance of a twisted-pair cable.

### Volume Calculator

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

### Featured content

#### 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 – 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 – 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

Explore the latest IoT wireless protocols to assist in the selection of the right wireless network protocol for your next IoT application

### Technical Resources

Articles, eBooks, Webinars, and more.
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