Live Converter
Convert Length Measurements Online
Enter any amount above to see it converted between micrometers (µm) and picometers (pm), or vice versa.
The Math
How Micrometers and Picometers Relate
Both the micrometer and the picometer are metric units, so this relationship works out to a clean power of ten. One micrometer always equals exactly 1,000,000 picometers. How to convert: multiply a micrometer value by 1,000,000 to get picometers. To go the other way, divide a picometer value by that same number to get micrometers. Worked example: 0.0002 µm × 1,000,000 = 200 pm, roughly the length of a typical chemical bond.
Where It's Used
Where Picometers Actually Get Used
Unlike some extreme metric pairings, the picometer describes distances that come up constantly in chemistry and physics.
Atomic and Molecular Bond Lengths
Chemical bond lengths typically measure between 100 and 200 picometers, and atomic radii fall in a similar range. Converting a micrometer scale measurement, like the width of a fine wire, into picometers helps when comparing it against the atomic structures involved in materials science.
X-Ray and Electron Wavelengths
X-rays used in crystallography and imaging have wavelengths measured in picometers, since they're short enough to resolve individual atoms. Relating a micrometer scale instrument tolerance back to a picometer wavelength occasionally comes up in optics and materials research.
Teaching Atomic Scale in Chemistry
Chemistry educators often introduce the picometer specifically to describe atomic and molecular dimensions, since meters and even micrometers are far too large to be useful at that scale. Pairing it with a micrometer example helps students see how the metric system extends down to genuinely atomic sizes.
Quick Reference
Micrometer to Picometer Reference Table
Common micrometer values shown alongside their picometer equivalents.
| Length (µm) | Formula | Result (pm) |
|---|---|---|
| 1.000000e-07 µm to pm | 1.000000e-07 × 1,000,000 | 0.1 pm |
| 0.000001 µm to pm | 0.000001 × 1,000,000 | 1 pm |
| 0.00001 µm to pm | 0.00001 × 1,000,000 | 10 pm |
| 0.0001 µm to pm | 0.0001 × 1,000,000 | 100 pm |
| 0.001 µm to pm | 0.001 × 1,000,000 | 1,000 pm |
| 0.01 µm to pm | 0.01 × 1,000,000 | 10,000 pm |
| 0.1 µm to pm | 0.1 × 1,000,000 | 100,000 pm |
| 0.2 µm to pm | 0.2 × 1,000,000 | 200,000 pm |
| 0.5 µm to pm | 0.5 × 1,000,000 | 500,000 pm |
| 1 µm to pm | 1 × 1,000,000 | 1,000,000 pm |
| 10 µm to pm | 10 × 1,000,000 | 10,000,000 pm |
| 100 µm to pm | 100 × 1,000,000 | 100,000,000 pm |
Got Questions?
Frequently Asked Questions
How many picometers are in a micrometer?
One micrometer equals exactly 1,000,000 picometers, or 10 to the sixth power. This comes directly from the metric system's prefix definitions.
How do I convert micrometers to picometers?
Multiply the micrometer value by 1,000,000 to get picometers. For example, 0.0002 micrometers times that figure equals 200 picometers.
How many micrometers are in a picometer?
There are exactly 1 divided by 1,000,000 micrometers in a single picometer, since a picometer is one millionth of a micrometer.
What is a picometer used to measure?
It's the standard unit for atomic and molecular scale measurements, including chemical bond lengths, atomic radii and the wavelengths of X-rays used in crystallography. Almost nothing at that scale would be practical to describe in micrometers or meters.
Why is this conversion a clean power of ten?
Because both the micrometer and the picometer are metric units, and metric units always relate through powers of ten. A conversion involving an imperial unit typically produces a much less tidy multiplier.
Is the picometer commonly used in real science?
Yes, quite often. Chemistry, crystallography and materials science regularly report measurements in picometers since atomic scale distances are simply too small to express conveniently in any larger unit.
Does this conversion factor ever change?
No, both units are permanently defined within the metric system, so the relationship between them is fixed forever, unlike a currency exchange rate that shifts throughout the day.
Can this converter handle very small values accurately?
Yes, the calculator above is built to display results using proper notation, whether you enter a tiny micrometer fraction or a larger picometer value.
How does a picometer compare to an angstrom?
An angstrom, a non-SI unit still used often in chemistry and crystallography, equals exactly 100 picometers. Many bond length and atomic radius figures get quoted in either unit depending on the field.