referenceQuantity
The reference quantity for which a certain price applies, e.g. 1 EUR per 4 kWh of electricity. This property is a replacement for unitOfMeasurement for the advanced cases where the price does not relate to a standard unit.
Definition from the Schema.org vocabulary (English).
Estimated domains
1M - 10M stable
Trend over time
Domain tier in each available month.
Usage in Google Search
Documented Google contexts where this property is required or recommended for rich results.
- Recommendedmerchant-listing
QuantitativeValue (for unit pricing) The quantity of the product offered for the given price. See the example Pricing with unit pricing measures and the article Unit pricing measure in Google Merchant Center Help for a detailed discussion of unit pricing.
Used on types
Tiers indicate the number of unique domains using the term. They are intentionally approximate to reduce noise and protect site privacy. How to read the data.