per mille
unit for parts per thousand
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Summary
per mille is a parts-per notation[1]. It draws 3,248 Wikipedia views per month (parts per notation category, ranking #2 of 3).[2]
Key Facts
- Instance of: UCUM derived unit[3]
- Measured physical quantity: dimensionless quantity[4]
- Follows: percent[5]
- Followed by: basis point[6]
- Commons category: Per mille[7]
- Said to be the same as: thousandth[8]
- Unicode character: ‰[9]
- Notation: per mille sign[10]
- Numeric value: 0.001[11]
- Different from: thousandth[12], parts per thousand[13]
- Conversion to SI unit: 0.001 1[14]
- Conversion to standard unit: 0.1 percent[15], 10 basis point[16], 100 per cent mille[17], 1000 parts per million[18], 1,000,000 part per billion[19], 1,000,000,000 parts per trillion[20], 1,000,000,000,000 parts per quadrillion[21]
- Unit symbol: ‰[22]
- Maintained by WikiProject: WikiProject Mathematics[23]
- Subdivision of this unit: basis point[24]
Why It Matters
per mille has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[25] It is known by 76 alternative names across languages and contexts.[26]