Corrosion Rate Calculator
Calculate metal corrosion rates from current density, weight loss, or penetration depth measurements.
Corrosion Parameters
Corrosion Rate
0.00 mpy
0.0000 mm/year | 0.0 um/year
iCurrent Density
1000.00 uA/cm2
mMass Loss
9127250.87 g/(m2*y)
tService Life
86185.4 years
!Severity
Outstanding
Corrosion Severity
Outstanding
Metal Properties:
- Molar Mass: 55.85 g/mol
- Valence: 2
- Density: 7.87 g/cm3
Corrosion Rate Classification
| Rating | mpy | mm/year |
|---|---|---|
| Outstanding | < 1 | < 0.02 |
| Excellent | 1 - 5 | 0.02 - 0.1 |
| Good | 5 - 20 | 0.1 - 0.5 |
| Fair | 20 - 50 | 0.5 - 1 |
| Poor | 50 - 200 | 1 - 5 |
| Unacceptable | > 200 | > 5 |
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Chemistry: The Central Science
by Brown, LeMay, Bursten
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.