Procurement Tower
Component Finder
BOM Intelligence
Excess Exchange
Calculators
Decoders
Converters
Log in
Get Started Free
⌂ All Tools
Fundamentals
Voltage Divider
Ohm's Law
LED Series Resistor
Parallel Resistors
Power Dissipation
Filters & Timing
RC Time Constant
RC Low-Pass Filter
RC High-Pass Filter
LC Resonant Frequency
555 Timer — Astable
555 Timer — Monostable
Capacitor Impedance
PWM Duty Cycle
Op-Amps
Op-Amp Inverting Gain
Op-Amp Non-Inverting Gain
Power Conversion
Buck Converter Inductor
Boost Converter Inductor
LM317 Voltage Regulator
Linear Reg Dropout Power
MOSFET Gate Resistor
Dead-Time Calculator
PCB Layout
PCB Trace Width
Via Current Capacity
Trace Impedance
Thermal & Power
Heatsink Thermal Resistance
Battery Life
Digital & Interface
I²C Pull-Up Resistor
ADC Resolution
Wheatstone Bridge
Filters & Timing
RC Low-Pass Filter
Cutoff frequency for a first-order RC low-pass filter. Leave one blank to solve.
f(x)
fc = 1 / (2π·R·C)
Presets
≈20 Hz
1 kHz
100 kHz
Solving for
Resistance
Capacitance
Cutoff Frequency
Resistance
Ω
kΩ
MΩ
Capacitance
pF
nF
µF
mF
F
Cutoff Frequency
Hz
kHz
MHz
LIVE READOUT