How Do You Find The Frequency Of A 555 Timer?

How Do You Find The Frequency Of A 555 Timer? Parameter Formulae Unit Time Period (T) 0.693 × (R1+2×R2) × C1 Seconds Frequency (F) 1.44 / (R1+2×R2) × C1 Hertz (Hz) Duty Cycle (T1/T)×100 Percentage (%) How do you calculate the frequency of a 555 timer? Parameter Formulae Unit Time Period (T) 0.693 × (R1+2×R2)