Percent and Per Mille
Parts converter: decimal and common fractions, percentages, per mille and ppm. Conversion with a solution and a table.
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A fraction can be decimal (0.25) or common (1/4).
The parts converter converts decimal and common fractions, percentages, per mille and parts per million. Per mille is one thousandth; for example, the salinity of seawater is given in it.
Units
| Unit | In the base unit (fraction) |
|---|---|
| fraction (decimal or common) (fraction) | 1 |
| percent (%) | 0.01 |
| per mille (‰) | 0.001 |
| basis point (bp) | 0.0001 |
| part per million (ppm) | 10⁻⁶ |
| part per billion (ppb) | 10⁻⁹ |
Example. A salinity of 35 ‰ = 35 : 10 = 3.5 % = 0.035 = 7/200.
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