The first two calculators below calculate series or parallel
combinations of resistors.
Series / Parallel Resistor Calculator.
Source code supplied by: www.electronics2000.co.uk © Simon
Enter the resistor value and press 'Add to Total'.
Repeat until all resistors have been entered.
Press 'Clear Total' to start a new calculation.
The third calculator will find a resistor value to place in parallel with a
given resistor value to produce a specified total.