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Electrostatic Capacitance Converter

Convert electrostatic capacitance between 22 different units instantly. Our free electrostatic capacitance converter provides accurate conversions with step-by-step calculations. Perfect for electrical engineering, physics, and technical applications.

Last Updated: April 30, 2026
2 min read

About this converter

Convert between 22 different units of electrostatic capacitance. Enter a value and select units to see the conversion result instantly with step-by-step solution.

The Electrostatic Capacitance Converter helps you convert capacitance values between electrostatic (CGS-ESU) units and standard SI units. It's essential for researchers working with older physics references or older lab data.

How to Use

  1. Enter Value: Type the capacitance value you want to convert.
  2. Choose Starting Unit: Select the unit you have (e.g., statF, F, µF).
  3. Select Target Unit: Choose the output unit you need.
  4. Get Result: View the converted capacitance instantly.

What This Calculator Measures

Capacitance (C) measures the electric charge storage ability of a component per unit of voltage. Standard SI units include Farads (F), while older CGS-ESU use statfarads (statF).

Formula or Logic

This converter uses the fundamental relationship between electrostatic and SI units:

  • 1 statfarad (statF) ≈ 1.11265 picofarads (pF).
  • Standard SI prefix scaling (milli, micro, nano, pico) is also applied.

Example Calculations

  • Example 1: Convert 1 statfarad to farads.
  • Calculation: 1 * 1.11265 × 10⁻¹² ≈ 1.11 pF.
  • Example 2: Convert 500 pF to statfarads.
  • Calculation: 500 / 1.11265 ≈ 449.38 statF.

Understanding Your Results

Your result reflects the same physical charge-storing capacity. Farads are exceptionally large units for most electronic components, so values in µF, nF, or pF are most common in practical applications.

Common Mistakes to Avoid

  • ESU vs SI: Mixing up statfarads with standard picofarads without conversion.
  • Prefix Errors: Mistyping micro (µ) as milli (m), which leads to a 1000x error.
  • System Mismatch: Using SI formulas with electrostatic unit inputs without scaling.

Frequently Asked Questions

It's capacitance written using the CGS-ESU (electrostatic) unit system, often used in older physics texts.
A statfarad is the electrostatic unit of capacitance. It's used mainly in theoretical and legacy scientific work.
Because most modern electronics and datasheets use SI units (F, µF, nF, pF), while some references use statF.
Usually not on modern components. You'll see it more in academic contexts, derivations, and older unit systems.
Commonly: F, mF, µF, nF, pF and statF (electrostatic unit). Some tools may also include other legacy formats.
Pick the unit that makes the result easy to read: use µF for larger values, nF for medium, and pF for very small capacitances.
No. Conversion only changes the unit label and number format, not the physical value.
Some conversions create very large or very small numbers. Scientific notation keeps the result accurate and readable.
This tool converts units. If you first compute the equivalent capacitance of a network, then you can convert that result here.
Double-check your input unit and output unit, then confirm you entered the value with the right SI prefix.