parts per million

Summary

parts per million is a dimensionless unit^[1]. It draws 85 Wikipedia views per month (dimensionless_unit category, ranking #4 of 6).^[2]

Key Facts

• parts per million's instance of is recorded as dimensionless unit^[3].
• parts per million's instance of is recorded as UCUM derived unit^[4].
• parts per million's measured physical quantity is recorded as mass fraction^[5].
• parts per million's measured physical quantity is recorded as amount-of-substance fraction^[6].
• parts per million's measured physical quantity is recorded as volume fraction^[7].
• parts per million's measured physical quantity is recorded as dimensionless quantity^[8].
• parts per million's subclass of is recorded as parts-per notation^[9].
• parts per million's Commons category is recorded as Parts-per-million^[10].
• parts per million's conversion to SI unit is recorded as {'amount': '+0.000001'}^[11].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q11229', 'amount': '+0.0001'}^[12].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q181011', 'amount': '+0.001'}^[13].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q750178', 'amount': '+0.01'}^[14].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q7166837', 'amount': '+0.1'}^[15].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q2055118', 'amount': '+1000'}^[16].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q2215478', 'amount': '+1000000'}^[17].
• parts per million's conversion to standard unit is recorded as {'unit': 'Q31889818', 'amount': '+1000000000'}^[18].
• parts per million's Google Knowledge Graph ID is recorded as /g/11bw5v4n5v^[19].
• parts per million's QUDT unit ID is recorded as PPM^[20].
• parts per million's wurvoc.org measure ID is recorded as parts_per_million^[21].
• parts per million's Quora topic ID is recorded as Parts-Per-Million^[22].
• parts per million's Great Norwegian Encyclopedia ID is recorded as ppm^[23].
• parts per million's Elhuyar ZTH ID is recorded as 016913^[24].
• parts per million's on focus list of Wikimedia project is recorded as Wikipedia:Vital articles/Level/4^[25].
• parts per million's unit symbol is recorded as {'lang': 'en', 'text': 'ppm'}^[26].
• parts per million's Treccani Vocabulary ID is recorded as ppm^[27].

Why It Matters

parts per million draws 85 Wikipedia views per month (dimensionless_unit category, ranking #4 of 6).^[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.^[28] It is known by 30 alternative names across languages and contexts.^[29]