Conversion rate is one of the three numbers that decide e-commerce revenue: traffic, conversion rate, and AOV. Move any one of them and revenue moves. Conversion rate is usually the noisiest of the three and the hardest to influence reliably, which is why most stores spend disproportionate energy on it.
Conversion Rate = (Orders ÷ Unique Sessions) × 100
If 10,000 sessions produce 250 orders, conversion rate is 2.5%. The benchmark varies wildly by category, traffic source, and price point. A general rule: 1-3% is normal, 3-5% is strong, anything above 5% suggests either a very loyal repeat customer base or a niche category with high purchase intent.
The relationship between price and conversion rate is mostly obvious (higher prices typically reduce conversion) but the magnitude is rarely intuitive. A 5% price drop might lift conversion 2% on one product and 25% on another. Price elasticity dictates the ratio.
The other half of the price-conversion relationship is comparison. Customers do not evaluate your price in isolation; they evaluate it against a reference, often a competitor's listing they had open in another tab. If your price drifts above the reference range, conversion drops not because the price is objectively too high but because it feels too high relative to alternatives.
Example: A homewares store sees conversion drop from 2.8% to 2.1% over six weeks on a popular planter. Pricing analysis shows their price held at $42 while three of four tracked competitors moved from $42 to $36. The merchant updates the repricing rule to follow the average competitor price, the gap closes, and conversion recovers to 2.6% within three weeks.