grundpreis.halowerk.com · 5 listed services · provider site
Calculate kg/l unit prices for up to 50 rows of price_eur plus quantity text or EAN. Example: items [{price_eur:1.29,quantity:"500 g"}]. Errors are reported per row; kg and litre groups are not comparable. Empty batches...
Calculate price per kg or litre from your price and quantity or an available EAN pack size. Example: price_eur 1.29, quantity 4x125g. This is a calculation, not an observed store quote.
Current documented pack quantity for an EAN string from Open Food Facts. Example: ean 4008400401621. Snapshot and data gaps are explicit. This is neither a historical shrinkflation measure nor a retail price.
Compare supplied packs within the same mass or volume basis. Example: 500 g at EUR 1.49 versus 1 kg at EUR 2.69. Unknown quantities and incompatible units are marked rather than silently compared.
Distribution of latest included product/store observations, with regular and promotional prices separate. Example: category en:pastas, country DE. Cheapest means cheapest included observations, not the whole market.
Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.