1 ppt to Per Mille

Convert 1 ppt (ppt) to per mille () with formulas, examples, and conversion tables.

ppt
1 ppt = 1e-9
Full precision:1e-9
Step-by-Step Solution

To convert 1 ppt to per mille, we divide by 1000000000 because one per mille equals exactly 1000000000 ppt.

1 per mille = 1000000000 ppt

Since there are 1000000000 ppt in every per mille, we divide our value by this factor:

1 ÷ 1000000000 = 1e-9 per mille

So 1 ppt = 1e-9 per mille.

Quick check: 1e-9 × 1000000000 = 1 ppt

ppt to Per Mille Conversion Table

pptPer Mille
1 ppt1e-9
2 ppt2e-9
3 ppt3e-9
4 ppt4e-9
5 ppt5e-9
10 ppt1e-8
20 ppt2e-8
50 ppt5e-8
100 ppt1e-7

1 ppt in Other Units

Unit1 ppt =
ppt to ppm0.000001 ppm
ppt to ppb0.001 ppb
ppt to Percent1e-10 %
ppt to Per Mille1e-9
ppt to mg/L0.000001 mg/L
ppt to g/L1e-9 g/L
ppt to μg/L0.001 μg/L
ppt to mg/m³0.001 mg/m³

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