Calculators & Conversion Charts
Farnell'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.
Fractions and Decimal
Turn any decimal value into its simplified fraction form.
Fraction > Decimal Conversion
LED Series Resistor
Calculate appropriate resistance so your LEDs don???t burn out prematurely.
LED Series Resistor Calculator
Metric and Imperial
Common Metric and Imperial conversion ratios and calculator.
Metric and Imperial Conversion Calculator
Resistor Colour Codes
Access a convenient and standardised resistance table.
Resistor Colour Calculator
Temperature
For any critical temperature analysis, this calculator helps you get your job done faster.
Temperature Calculator
