Tools you might need next
Convert MIDI note number to frequency in Hz using equal temperament. Free note to frequency calculator for music theory, tuning, and audio engineering.
Find the nearest MIDI note and cent deviation for any frequency. Free frequency to midi note calculator for music theory, tuning, and audio engineering.
Calculate frequency ratios and interval sizes in semitones and cents. Free interval ratio calculator for music theory, tuning, and audio engineering.
This tool applies a standard formula from the relevant domain. The computation is deterministic — given the same inputs, the result is always identical. The formula accounts for the primary variables that determine the output.
f_c = 1 ÷ (2π × R × C) [1st-order RC]The calculation requires: Driver Impedance (Ω), Capacitor (µF). Each parameter contributes to the final result according to the formula above. Accuracy depends on the precision of your input measurements.
Updated: July 2026
A typical use case demonstrating the calculator with representative values.
→ Calculated result based on the formula and provided inputs
Enter your own values to get a personalized result for your specific situation.
→ Result calculated from your specific input values
Check the expected unit for each input field (shown as suffix). Converting between imperial and metric units before entering values prevents calculation errors.
This calculator uses the formula shown. Real-world results may vary due to factors not captured by the model. Use the result as an estimate and verify with domain-specific standards.
Estimate crossover frequency from driver impedance and capacitor value. Free speaker crossover frequency calculator for music theory, tuning. It applies the calculation formula (f_c = 1 ÷ (2π × R × C) [1st-order RC]). For example: 8 ω tweeter, 10 µf cap — A typical use case demonstrating the calculator with representative values.