This converter turns nanometers into micrometers instantly, using the exact factor 1 nanometer = 0.001 micrometers. Type any number and the result updates as you go — nothing is sent to a server, so the arithmetic happens entirely in your browser.
One billionth of a metre — the scale of light wavelengths and chip lithography. One millionth of a metre, the scale of cells, pollen and semiconductor features.
Because the relationship is a simple proportion, one multiplication does the whole job. The table further down gives pre-computed values for the amounts people look up most often, and the result panel also reports the reverse conversion so you can check the figure both ways.
The formula
nanometers- The amount you are converting, measured in nanometers
0.001- The exact number of micrometers in one nanometer
micrometers- The converted result
How it works, step by step
- Enter the number of nanometers you want to convert.
- The value is multiplied by 0.001, the exact conversion factor.
- The result is displayed in micrometers, rounded for readability.
- The unrounded value and the reverse conversion appear underneath so you can verify it.
Worked examples
Converting 5 nanometers
Multiply 5 by 0.001. That gives 0.005 micrometers. A quick sanity check: one nanometer is smaller than one micrometer, so the number should get smaller — and it does.
Converting 72 nanometers
72 × 0.001 = 0.072 micrometers. Working backwards, 0.072 ÷ 0.001 returns 72 nanometers, which confirms the factor is applied the right way round.
How to read your score
Frequently asked questions
How many micrometers are in one nanometer?
Exactly 0.001. Every conversion on this page is that single number multiplied by your input, so the result carries no rounding error beyond what is shown.
What is the formula to convert nanometers to micrometers?
Micrometers = nanometers × 0.001. To reverse it, divide instead: nanometers = micrometers ÷ 0.001, which is the same as multiplying by 1000.
Is the nanometer bigger than the micrometer?
No. One nanometer is only 0.001 of a micrometer, so the micrometer is the larger unit.
Why does my answer differ slightly from other nanometers to micrometers converters?
Most differences come from rounding the factor too early. This tool keeps full double precision through the calculation and only rounds at the final display step, and it also shows the unrounded value so you can see exactly where any difference appears.
What is a nanometer?
One billionth of a metre — the scale of light wavelengths and chip lithography.
What is a micrometer?
One millionth of a metre, the scale of cells, pollen and semiconductor features.
Nanometers to micrometers reference table
| Nanometers | Micrometers |
|---|---|
| 0.5 nm | 0.0005 µm |
| 1 nm | 0.001 µm |
| 2 nm | 0.002 µm |
| 3 nm | 0.003 µm |
| 5 nm | 0.005 µm |
| 10 nm | 0.01 µm |
| 15 nm | 0.015 µm |
| 20 nm | 0.02 µm |
| 25 nm | 0.025 µm |
| 50 nm | 0.05 µm |
| 75 nm | 0.075 µm |
| 100 nm | 0.1 µm |
| 250 nm | 0.25 µm |
| 500 nm | 0.5 µm |
| 1000 nm | 1 µm |
Exact factor: 1 nanometer = 0.001 micrometers. Values rounded for display.