555 Timer Resistor Calculator Monostable

Calculate R

This simple 555 timer calculator is for the monostable circuit to calculate the resistance R in ohms. You must enter the period and value of the capacitor C. The capacitance must be in farads, and period in seconds.

1 µF0.000001 F
1 nF0.000000001 F
1 pF0.000000000001 F

Find Resistance

Period (seconds):


Capacitance (F):


Resistance (Ω):




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