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.

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.

AC/DC power:

Calculate power in AC or DC circuits.