How many coulombs is one faraday?

One faraday equals 96485.33212 coulombs. This is the 2018 CODATA recommended value, defined exactly as F = N_A × e = 6.02214076×10²³ × 1.602176634×10⁻¹⁹ C/mol.

What is a faraday in electrochemistry?

A faraday (F) is the electric charge carried by one mole of electrons. Named after Michael Faraday, it is widely used in electrochemistry because electrode reactions are stoichiometric: depositing 1 mol of a monovalent metal (e.g. silver) requires exactly 1 faraday.

Is the faraday the same as the farad?

No. The farad (F) is the SI unit of electrical capacitance, measuring how much charge a capacitor stores per volt. The faraday is a unit of electric charge in electrochemistry equal to one mole of electrons. They share a name but measure different quantities.

How does a faraday relate to ampere-hours?

One faraday = 96485.33212 C. Since 1 ampere-hour = 3600 C, one faraday ≈ 96485.33212 ÷ 3600 ≈ 26.8014 Ah.

When should I use faradays instead of coulombs?

Use faradays when working with molar quantities in electrochemistry — for example, calculating how much charge is needed to deposit a known mass of metal or to produce a specific number of moles of gas at an electrode.

Faradays to Coulombs Converter

Name: Faradays to Coulombs Converter
Availability: InStock
Author: Nham Vu

Convert faradays (F) of electric charge to coulombs — 1 faraday = 96485.3321 coulombs (Faraday constant).

Faradays to Coulombs

Enter a value in either field — the other updates instantly.

Faradays (F)

Coulombs (C)

Conversion Results

Coulombs (C) —

Millicoulombs (mC) —

Ampere-hours (Ah) —

Faradays (F) —

Faraday Constant Reference

Faraday Constant

96485.33212 C/mol

1 Faraday in Ah

26.80137 Ah

1 Coulomb in Faradays

1.03642 × 10⁻⁵ F

Summary

Convert faradays (F) of electric charge to coulombs — 1 faraday = 96485.3321 coulombs (Faraday constant).

How it works

Enter the charge value in faradays in the input field.
The tool multiplies the faraday value by 96485.33212 to get coulombs.
Additional outputs — millicoulombs and ampere-hours — are computed from the coulomb value.
Results update instantly as you type.
Use the reverse field to convert coulombs back to faradays.

Use cases

Calculate coulombs of charge transferred during electrolysis.
Convert electrochemical measurements between faraday and SI units.
Determine total charge in electroplating based on moles of electrons.
Verify electrode reactions that consume or produce specific faraday amounts.
Cross-reference electrochemical data from different unit systems.
Check battery charge quantities expressed in moles of electrons.

Frequently Asked Questions

Last updated: 2026-07-23 · Reviewed by Nham Vu