Car Battery CCA Calculator
Find the recommended Cold Cranking Amps (CCA) rating for your car battery based on engine size and climate.
Recommended CCA
Cold Cranking Amps (CCA) measures a battery’s ability to start an engine in cold weather. Higher CCA = easier cold starts.
General CCA guidelines by engine:
- 4-cylinder (1.4-2.0L): 400-550 CCA
- 6-cylinder (2.5-3.5L): 550-700 CCA
- 8-cylinder (4.0-6.0L): 700-850 CCA
- Diesel engines: Add 200-300 CCA above gas equivalent
- Large trucks/SUVs: 800-1000+ CCA
Climate adjustments:
- Hot climate (Southern US, tropics): Base CCA is fine; heat kills batteries faster
- Moderate climate: Add 10-15% to base
- Cold climate (Northern US, Canada): Add 20-30% to base
- Extreme cold (sub-arctic): Add 40-50% to base
Battery life by climate:
- Hot climates: 3-4 years
- Moderate: 4-5 years
- Cold: 4-6 years (heat degrades more than cold)
Always match or exceed your vehicle manufacturer’s CCA specification.