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All Electronics Calculators. From Ohm's Law to Complex Circuits.
Welcome to the ultimate collection of electronics calculators, your one-stop toolbox for every circuit calculation youll ever need! Whether you're building, repairing, or studying, these tools will help you master every formula from the Ohm's Law calculator ,resistor equivalent calculator , and resistor color code calculator , to advanced tools like LC resonance, filters , flyback converter , RLC impedance and even PCB trace width estimations .
You'll find everything from resistor equivalent circuits (both series and parallel) to voltage divider tools , LED resistor calculators ,capacitor and inductor design tools, frequency/wavelength converters,and much more.
In short, this page brings together the essential utilities for every electronics enthusiast, hobbyist, or professional engineer who wants to save time and stay precise in circuit analysis. From RMS calculator to NE555 timer tools , and from transformer parameters to high/low pass filter cutoff frequency, CircuitSkill gives you the power to design like a pro.
Grab a coffee, start calculating, and enjoy exploring the world of electronics
Ouff, finally done!
FILTERS:
Filters—they just need a tiny bit of precision, but the result? Pure signal bliss.
LC resonance:
LC isn’t just a sandwich—it’s the perfect dance between inductance and capacitance.
Boost/buck converter calculator:
Need more power or a bit less? This calculator knows when to pump it up or tone it down.
Flyback converter:
The flyback is like the ninja of power supplies—fast, efficient, and a little mysterious.
Dipole antenna:
Want to be heard loud and clear? This calculator helps you stretch that antenna like a pro.
PCB trace width:
Designing PCBs? This calculator helps you determine the ideal trace width for your board.
Crossover calculator :
This speaker crossover calculator will help you design a set of amazing sounding speakers.
Resistor Color Code → Value:
Instantly find the resistor value from its color bands.
Value → Resistor Color Code:
Get the color bands for any resistor value.
Resistance serie/parallel:
Combine resistors and get the total resistance.
Resistivity:
Compute resistance based on material and wire dimensions.
Voltage divider:
Calculate output voltage in a classic divider setup.
Ohm’s Law:
Easily relate voltage, current,power and resistance.
Voltage Drop in a Conductor:
Find how much voltage is lost along a wire.
LED Resistor Calculator:
Find the right resistor for your LED safely.
Series/Parallel Capacitors:
Combine capacitors and get the total capacitance.
Ceramic Capacitor Value:
Decode the value printed on ceramic caps.
Capacitor Design Tool:
Design a capacitor based on specs and materials.
Delta → Star Converter:
Convert a triangle connection to a star.
Star → Delta Converter:
Convert a star connection to a triangle.
Inductor Design Tool:
Design an inductor based on core and winding specs.
Series/Parallel Inductors:
Combine inductors and get the total inductance.
High/low pass filter:
compute cuttoff frequency/decibel & out voltage.
Impedance L,C:
Calculate impedance in L or C circuits.
Impedance RLC:
Analyze impedance in full RLC circuits.
Transformer Parameters:
Calculate voltage, turns ratio, for transformers.
NE555 Calculator:
compute R/C Ne555.
RC Time Constant:
Quickly find charge/discharge times.
Frequency / Wavelength:
Convert between frequency and wavelength.
RMS calculator:
Calculate Root Mean Square values for voltage or current.
Battery Time Left:
Estimate how long your battery will last.
Decibel calculator:
Convert between dB and power or voltage ratios.
Power factor calculator:
Use our Power Factor Calculator to quickly determine all key AC power parameters