How to Calculate Seasonal Adjustment
What is Seasonal Adjustment?
Seasonal Adjustment Calculator helps logistics and supply chain professionals optimize operations and reduce costs.
Formula
Seasonal Factor = Month Average / Annual Average
Step-by-Step Guide
- 1Calculate each month average vs annual average to find seasonality index
- 2Apply the formula with your specific values
- 3Use the result to optimize operations or costs
Worked Examples
Input
Dec avg 150, annual avg 100
Result
Seasonal Factor = 150/100 = 1.5 (50% above average)
Common Mistakes to Avoid
- ✕Using incorrect units or dimensions in the calculation
- ✕Ignoring surcharges and accessorial fees
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