100nF and 1µF in parallel = 1.1µF
Worked answer for a 100nF capacitor and a 1µF capacitor wired in parallel.
Equivalent capacitance 1.1µF 100nF ∥ 1µF in parallel
| Capacitor 1 (C₁) | 100nF |
| Capacitor 2 (C₂) | 1µF |
| Connection | parallel |
| Formula | C = C₁ + C₂ |
| Equivalent capacitance | 1.1µF |
In parallel, capacitors ADD up — the opposite of resistors in parallel.
Different values? Combine any number of capacitors in series or parallel in the interactive tool:
Open the Series/Parallel Capacitor Calculator →Disclaimer: This is an ideal calculation. Real capacitors have tolerance, ESR, and a voltage rating — for series strings the voltage divides unevenly and each part's rating still applies. Confirm against your components' datasheets before building.