Capacitors

Spherical Capacitor Calculator Home›Electronics Calculators›Capacitors›Spherical Capacitor Calculator This calculator requires JavaScript. Key formulas:C = 4πε₀εr × a (isolated) | C = 4πε₀εr × ab/(b−a) (concentric) Isolated Sphere or Concentric Spherical… read more

Wire Capacitance Calculator Home›Electronics Calculators›Capacitors›Wire Capacitance Calculator This calculator requires JavaScript. Key formula:C/m = 2πε₀εr / ln(2h/r) Capacitance of a Wire Above a Ground Plane Hook-up Wire (1mm/10mm) PCB Trace… read more

Crystal Load Capacitance Calculator Home›Electronics Calculators›Capacitors›Crystal Load Capacitance Calculator This calculator requires JavaScript. Key formula:C_L = (C_L1 × C_L2)/(C_L1 + C_L2) + C_stray Find or Verify External Capacitors for Crystal… read more

RC Time Constant Calculator Home›Electronics Calculators›Capacitors›RC Time Constant Calculator This calculator requires JavaScript. Key formula:τ = R × C τ = RC — Time Constant, Milestones, and Cutoff Frequency 1s… read more

ESR Capacitor Calculator Home›Electronics Calculators›Capacitors›ESR Capacitor Calculator This calculator requires JavaScript. Key formulas:|Z| = √(ESR² + X_c²) | D = ESR/X_c | P = I²×ESR Analyse Capacitor ESR Effects on… read more

Capacitor Code Calculator Home›Electronics Calculators›Capacitors›Capacitor Code Calculator This calculator requires JavaScript. Example: code 104 = 10 × 10⁴ pF = 100,000 pF = 100 nF. Decode or Encode 3-Digit Capacitor… read more

Capacitor Energy Calculator Home›Electronics Calculators›Capacitors›Capacitor Energy Calculator This calculator requires JavaScript. Key formula:E = ½CV² E = ½CV² — Enter Any Two, Solve for the Third Leave one field empty… read more

Capacitor Charge Calculator Home›Electronics Calculators›Capacitors›Capacitor Charge Calculator This calculator requires JavaScript. Key formulas:Q = C × V | E = ½CV² | τ = RC Calculate Charge, Energy, and RC… read more