5 KPIs Every Fashion Brand Should Track (But Most Don't)
Beyond revenue and margins, these metrics reveal the health of your inventory management and where you're leaving money on the table.
If you're only tracking revenue and gross margin, you're missing the full picture of your inventory health. Here are five critical KPIs that reveal where you're leaving money on the table.
1. Stockout Rate by SKU/Category
What it is: Percentage of time each SKU is out of stock when customers want to buy.
Why it matters: Every stockout is a missed sale. For popular SKUs, stockouts also damage customer trust and lifetime value.
Industry benchmark: 8-15% (most fashion brands) Best in class: <5%
How to improve: Better demand forecasting, lower safety stock with higher accuracy, faster replenishment cycles.
2. Excess Inventory Ratio
What it is: Percentage of inventory unlikely to sell at full price.
Why it matters: Excess inventory ties up cash and eventually requires markdowns. Each markdown point is pure margin loss.
Industry benchmark: 20-35% Best in class: <15%
How to improve: More accurate forecasting, dynamic safety stock, earlier markdown signals.
3. Inventory Turnover Rate
What it is: How many times per year you sell through your entire inventory.
Why it matters: Low turnover means cash is trapped in slow-moving stock. High turnover (if maintained with good service levels) means efficient capital use.
Industry benchmark: 2-4x annually for fashion Best in class: 4-6x
How to improve: Reduce excess stock, improve forecast accuracy, optimize order quantities.
4. Perfect Order Rate
What it is: Percentage of orders fulfilled completely, on time, and without damage.
Why it matters: Partial fulfillment, delays, and damage all drive customer dissatisfaction and returns. Returns are expensive.
Industry benchmark: 70-85% Best in class: >90%
How to improve: Better demand forecasting, inventory rebalancing between warehouses, improved packaging.
5. Forecast Accuracy (by SKU)
What it is: How close your predictions are to actual demand.
Why it matters: This is the foundation metric. If forecasts are wrong, everything else suffers.
Industry benchmark: 60-70% Best in class: 85-92%
How to improve: Switch from spreadsheets to ML-based forecasting, incorporate external factors, update forecasts continuously.
Tracking These Metrics
Most ERPs don't calculate these KPIs out of the box. You'll need: - Custom reports or dashboards - Integration between ERP, e-commerce, and BI tools - Weekly or daily updates (not monthly)
Or use a dedicated inventory optimization platform that tracks these automatically.
Taking Action
Don't just track: set targets and review regularly: - Weekly: Stockout rate, perfect order rate - Monthly: Forecast accuracy, excess inventory - Quarterly: Inventory turnover
These metrics will reveal where you're bleeding money and where to focus improvement efforts.
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