555 Timer Calculator

Calculate 555 timer IC astable and monostable mode frequencies, duty cycle, and timing. Enter R1, R2, and capacitance values to get frequency, period, and duty cycle results.

How to Use 555 Timer Calculator

Select astable or monostable mode. Enter R1, R2 (astable only), and capacitance values. Click Calculate to see frequency, period, duty cycle, and timing results for your 555 timer circuit.

Step-by-Step Instructions

  1. Select astable or monostable mode
  2. Enter R1 and R2 resistance values in ohms
  3. Enter capacitance in microfarads
  4. Click Calculate to view frequency and timing results

Related Tools

More Free Tools