![]() See the technical data section for more details. Press 'Clear Total' to reset.Ģ Resistors in Parallel - Calculate One Resistor from Other and Total:Įnter R1 and the total resistance to calculate the value of the other resistor needed to produce the required total. Resistors in Parallel - Calculate Total: Enter resistance, press 'Add to Total', repeat. Resistors in Series - Calculate Total: Enter resistance, press 'Add to Total', repeat. Preferred resistor values areĪlso calculated, use the radio buttons on each calculator to select the preferred value series to use. Given resistor value to produce a specified total. The third calculator will find a resistor value to place in parallel with a Press 'Clear Total' to start a new calculation. When solving, you are given a network, and now you are trying to find the equivalent resistance. When finding the network, you try to find the best network for specified value. Equivalent Resistance, often abbreviated as R eq in electrical engineering, is a measure of whole combined resistance of 2 or more resistors connected in series or parallel. Repeat untilĪll resistors have been entered. This calculator will help you identify the value, tolerance and temperature coefficient of a color coded resistor by simply selecting the bands colors. It's a kind of opposite problem compared to finding the replacement network for a missing resistor value. Enter the resistor value and press 'Add to Total'. The first two calculators below calculate series or parallelĬombinations of resistors. ![]()
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