Inventory & Warehouse7 min readUpdated 30 Oct 2026

FIFO vs Weighted Average Cost: Which Inventory Valuation Method is Best for Retailers?

Rishi Kumar

Founder & Lead Architect, Elvora

Executive Summary & Key Takeaways

When supplier prices fluctuate, how you calculate Cost of Goods Sold (COGS) significantly affects reported profit and income tax.

  • FIFO assumes the oldest purchased items are sold first; reflects current replacement cost in ending inventory.
  • Weighted Average smooths out price volatility by dividing total cost by total units available.
  • Indian AS-2 and Ind AS-2 permit both FIFO and Weighted Average cost formulas, but forbid LIFO.
  • Elvora provides weighted average purchase cost tracking across all variants and multi-location godowns.

1. The Valuation Dilemma in Inflationary Markets

When purchasing inventory at different rates over time (e.g. ₹100 in January and ₹120 in March), determining your true cost of sale is critical for pricing strategy and tax compliance.

2. Why Weighted Average is Ideal for Most Retailers

Weighted Average Cost provides steady, realistic profit margins without the administrative complexity of tracking individual physical batch stickers for every unit on retail shelves.

Frequently Asked Questions

How does Elvora compute stock valuation?

Elvora computes total stock valuation by multiplying current variant stock on hand by the recorded weighted average purchase cost.

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