555 Timer Capacitor Calculator Monostable

Calculate C

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

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

Find Capacitance

Resistance (Ω):


Period (seconds):


Capacitance (F):




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