Faraday's Law of Electrolysis Mass Calculator

Faraday's Laws of Electrolysis govern quantitative electroplating and electrochemical cell reactions, relating electric current and time to substance mass deposited at electrodes.

To use the Faraday's Law of Electrolysis Mass Calculator, enter your Electric Current (I), Electrolysis Duration, Molar Mass of Element (M) and other values. The calculator instantly computes Mass Deposited at Electrode, Total Charge Transferred (Q) and more. Results update in real time as you change any input — no submit button needed.

How to Use This Calculator

Enter your Electric Current (I) (e.g. 5.0 in Amperes (A)), Electrolysis Duration (e.g. 60 in minutes), Molar Mass of Element (M) (e.g. 63.546 in g/mol (e.g. Copper)), and Valence Electrons Transferred (z) (e.g. 2 in e⁻ per ion). Results update instantly as you type — adjust any value to compare scenarios.

The Formula

Faraday's First Law: Mass m (g) = (I × t × M) ÷ (z × F)

Total Charge Q (C) = Current I (A) × Time t (sec)

Faraday Constant F = 96,485.33 C/mol

Worked Example

5.0 Amps current for 60 minutes (3,600 sec) electroplating Copper:

Total Charge Q = 5.0 × 3,600 = 18,000 Coulombs.

Deposited Mass = / = 5.9272 grams of Copper.

Understanding Your Result

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