EveryUnit450+ units

part per trillion (ppt) → part per million (ppm)

1 ppt = 0.000001 ppm · ⇄ part per million (ppm) → part per trillion (ppt)

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⚙ Output Number Format1,234.56

All units in this category

Converted Value
unit fraction (0–1)1—
percent%—
permille (parts per thousand)‰—
part per millionppm—
part per billionppb—
part per trillionppt—

Conversion Formula & Definition

ppm = ppt × 0.000001

1 part per trillion (ppt) = 0.000001 part per million (ppm).

Popular Conversions (Concentration & Parts-Per)

1 → %1 → ‰1 → ppm1 → ppb

Quick Conversion Reference Table: part per trillion (ppt) → part per million (ppm)

part per trillion (ppt)part per million (ppm)
0.1 ppt1×10⁻⁷ ppm
0.5 ppt5×10⁻⁷ ppm
1 ppt0.000001 ppm
2 ppt0.000002 ppm
5 ppt0.000005 ppm
10 ppt0.00001 ppm
20 ppt0.00002 ppm
50 ppt0.00005 ppm
100 ppt0.0001 ppm
250 ppt0.00025 ppm
500 ppt0.0005 ppm
1,000 ppt0.001 ppm