EVERYDAY
Ratios & concentration
Dimensionless ratios, percentages and parts-per notation.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result1000 ppt1 ppb = 1000 ppt
EVERYDAY · ENGINEERING · SCIENCE
ppb to ppt Converter
Convert parts per billion (ppb) to parts per trillion (ppt). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through ratio
Enter a parts per billion value to calculate parts per trillion with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| ratiofrom ppb | 1 | 0.000000001 |
| percentfrom ppb | % | 0.0000001 |
| per millefrom ppb | ‰ | 0.000001 |
| parts per millionfrom ppb | ppm | 0.001 |
| parts per billionfrom ppb | ppb | 1 |
| parts per trillionfrom ppb | ppt | 1000 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
ppb to ppt Conversion Reference
Parts Per Billion (ppb) and parts per trillion (ppt) are units of ratios & concentration. Use this page to convert in either direction.
Conversion Examples
| Parts Per Billion (ppb) | Parts Per Trillion (ppt) |
|---|---|
| 1 ppb | 1000 ppt |
| 5 ppb | 5000 ppt |
| 10 ppb | 10000 ppt |
| 100 ppb | 100000 ppt |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
ppt to ppb (parts per trillion to parts per billion)