To convert picometers to microns, multiply by 1e-06. That factor is the whole relationship: both units measure length, so the conversion is a proportion with no offset and no substance-specific constant.
The older name for a micrometre, still standard in filtration, machining and paint-thickness specifications. One trillionth of a metre, the SI unit crystallographers use where chemists still reach for angstroms.
The mil and the millimetre are not the same thing and are out by a factor of about forty. A mil is one thousandth of an inch — 0.0254 mm — and a spec sheet that quotes film thickness in mils means the small unit. British drawings write the same size as "thou". The tables underneath give both a plain step-by-step lookup and a list of real quantities expressed in microns, so you can sanity-check whether your answer is a plausible size.
The formula
picometers- The amount you are converting, in picometers
1e-06- The exact number of microns in one picometer
microns- The converted result
How it works, step by step
- Enter the value in picometers.
- It is multiplied by 1e-06, the exact factor between the two units.
- The answer is shown in microns, with the reverse conversion beneath it.
- Check the reference table if you want a figure of comparable size.
Worked examples
A round figure: 1 pm in microns
A round figure comes to about 1 pm. Multiplying by the factor: 1 × 1e-06 = 1e-06 micron. Dividing the answer back by 1e-06 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
A larger figure: 100 pm in microns
At 100 pm (a larger figure), the same quantity in microns is 100 × 1e-06 = 0.0001 micron. One picometer is 1e-06 microns, so the numbers shrink as expected.
How to read your score
Frequently asked questions
How many microns are in one picometer?
Exactly 1e-06. Every figure on this page is that one number multiplied by your input, so the only rounding is at the display step.
What is the formula to convert picometers to microns?
microns = picometers × 1e-06. Reversed, picometers = microns ÷ 1e-06, which is the same as multiplying by 1,000,000.
Which is the bigger unit, the picometer or the micron?
The micron. One picometer is only 1e-06 of a micron, so it takes 1e+06 picometers to make one micron.
What does this quantity actually measure?
Both units measure length. That is why a single factor is enough: there is no temperature offset and no material property involved, unlike conversions that cross between different quantities.
What is a picometer?
One trillionth of a metre, the SI unit crystallographers use where chemists still reach for angstroms.
What is a micron?
The older name for a micrometre, still standard in filtration, machining and paint-thickness specifications.
Why does my answer differ from another converter?
Almost always because the other tool rounded the factor before multiplying. This page keeps full double precision through the calculation and rounds only for display, and it prints the factor it used so you can see where any difference came from.
Picometers to microns reference tables
| Picometers | Microns |
|---|---|
| 0.5 pm | 5e-07 micron |
| 1 pm | 1e-06 micron |
| 2 pm | 2e-06 micron |
| 3 pm | 3e-06 micron |
| 5 pm | 5e-06 micron |
| 10 pm | 1e-05 micron |
| 20 pm | 2e-05 micron |
| 25 pm | 2.5e-05 micron |
| 50 pm | 5e-05 micron |
| 75 pm | 7.5e-05 micron |
| 100 pm | 0.0001 micron |
| 250 pm | 0.00025 micron |
| 500 pm | 0.0005 micron |
| 1000 pm | 0.001 micron |
| 5000 pm | 0.005 micron |
Exact factor: 1 picometer = 1e-06 microns.
| Quantity | pm | micron |
|---|---|---|
| A credit card’s long edge | 8.56e+10 pm | 8.56e+04 micron |
| A door height | 2.032e+12 pm | 2.032e+06 micron |
| An Olympic pool | 5e+13 pm | 5e+07 micron |
| The Eiffel Tower | 3.3e+14 pm | 3.3e+08 micron |
| A marathon | 4.220e+16 pm | 4.22e+10 micron |
| Earth’s diameter | 1.274e+19 pm | 1.274e+13 micron |
Published reference values, converted with the same factor this page uses.