Electric Vehicles (EV)
Battery Degradation Calculator
Lets users compare and budget battery degradation instantly with formula, steps and examples — no manual math.
Enter your details
kWh
% per year
0.510
120
Your result
Remaining capacity
32.6661 kWh
After 8 years at 2.5%/yr, about 81.7% of original capacity remains.
State of health
81.67%
Capacity lost
7.3339 kWh
About this calculator
Models battery capacity fade as a constant annual percentage (typical EV packs lose ~1.5-3%/yr, faster with frequent DC charging and heat). Warranty floors are commonly 70% at 8 years.
Frequently asked questions
Why CalcBreeze
- ✔ Verified formulas, instant recalculation
- ✔ Works on every device, no signup needed
- ✔ Save, share & export results
- ✔ 1100+ calculators across 50+ categories
- ✔ Pixel-consistent design across every tool