Capacitance Converters

Convert between capacitance units used in electronic circuits, capacitors, PCB design, power supplies, and signal filtering with exact SI farad scaling.

Scope & Verification

This hub groups related converter families so you can move from the category level to exact routes with one clear basis per page.

  • Families are split so exact-factor, profile-based, density-based, and estimate-style pages do not collapse into one generic answer.
  • Leaf pages keep calculator, common values, FAQ, and reverse routes aligned to the same assumption.
  • Methodology and verification pages document how those assumptions are chosen and checked.
Methodology How We Verify Editorial Policy

Explanation

Capacitance describes how much electric charge a system stores per unit voltage, expressed by C = Q/V. The SI unit is the farad (F), with the exact relationship 1 F = 1 C/V. Prefix scaling is exact: 1 µF = 10⁻⁶ F, 1 nF = 10⁻⁹ F, and 1 pF = 10⁻¹² F. These conversions are purely multiplicative with no additive offsets. Every factor in this hub is derived by reducing units to farads and then applying exact SI prefix powers. For clarity, capacitance conversions are grouped into base-to-prefix and electronics scaling relationships.

Frequently Asked Questions

What is capacitance?

Capacitance is a measure of how much electric charge is stored per unit voltage in a component or system.

What is the SI unit of capacitance?

The SI unit is the farad (F).

Why is 1 farad so large?

One farad represents a very large charge-per-voltage ratio, so practical electronics usually use smaller prefixed units.

How do µF, nF, and pF relate?

They are exact decimal SI prefixes: 1 µF = 1000 nF = 1,000,000 pF.

Which capacitance units are common in electronics?

Microfarads (µF), nanofarads (nF), and picofarads (pF) are the most common in practical circuit and PCB work.

Are capacitance conversions multiplicative?

Yes. SI prefix conversions are purely multiplicative with no additive offsets.

How do I switch direction?

Use the switch button to open the mirror page for the reverse capacitance conversion.