Convert nanometers to micrometers

1 nm = 0.001 µm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.001µm
✓ Exact 1 nm = 0.001 µm
As a fraction: 1/1000
More converter tools

Readable results

Ranges, ± tolerances, feet/inches and clock durations work in the value field.

Unit picker

Export this result

1 nm = 0.001 µm
Show this value in all 50 length units
  • Gigameters Gm 1e-18
  • Megameters Mm 1e-15
  • Kilometers km 1e-12
  • Hectometers hm 1e-11
  • Decameters dam 1e-10
  • Meters m 1e-9
  • Decimeters dm 1e-8
  • Centimeters cm 0.000 000 1
  • Millimeters mm 0.000 001
  • Micrometers µm 0.001
  • Nanometers nm 1
  • Picometers pm 1000
  • Femtometers fm 1 000 000
  • Inches in 3.93700787402e-8
  • Feet ft 3.28083989501e-9
  • Yards yd 1.09361329834e-9
  • Miles mi 6.21371192237e-13
  • Nautical miles nmi 5.39956803456e-13
  • Thous thou 0.000 039 370 078 740 2
  • Hands hh 9.84251968504e-9
  • Links li 4.9709695379e-9
  • Spans span 4.37445319335e-9
  • Cubits cubit 2.18722659668e-9
  • Ells ell 8.7489063867e-10
  • Fathoms ftm 5.46806649169e-10
  • Rods rd 1.98838781516e-10
  • Chains ch 4.9709695379e-11
  • Furlongs fur 4.9709695379e-12
  • Leagues lea 2.07123730746e-13
  • Barleycorns barleycorn 0.000 000 118 110 236 22
  • US survey feet ft (US) 3.28083333333e-9
  • US survey miles mi (US) 6.21369949495e-13
  • Ångströms Å 10
  • Microns µ 0.001
  • Bohr radiuss a₀ 18.897 261 259 1
  • Planck lengths ℓₚ 6.18714249917e+25
  • Astronomical units au 6.68458712227e-21
  • Light-years ly 1.05700083402e-25
  • Light-seconds ls 3.33564095198e-18
  • Light-minutes lmin 5.55940158664e-20
  • Parsecs pc 3.24077928944e-26
  • Kiloparsecs kpc 3.24077928944e-29
  • Megaparsecs Mpc 3.24077928944e-32
  • Solar radiuss R☉ 1.43740117867e-18
  • Earth radiuss R🜨 1.56961230576e-16
  • Point (DTP)s pt 0.000 002 834 645 669 29
  • Picas pc 0.000 000 236 220 472 441
  • Scandinavian miles mil 1e-13
  • Versts вер 9.37382827147e-13
  • Lis 里 2e-12

Every row is Nanometer (nm) converted through the meter, in exact rational arithmetic.

How to convert nanometers to micrometers

Multiply the number of nanometers by 0.001 to get micrometers.

The exact factor is 0.001 — as a fraction, 1/1000.

Nanometer to Micrometer conversion table

Nanometers (nm) Micrometers (µm)
1 nm 0.001
2 nm 0.002
3 nm 0.003
5 nm 0.005
10 nm 0.01
20 nm 0.02
25 nm 0.025
50 nm 0.05
100 nm 0.1
250 nm 0.25
500 nm 0.5
1000 nm 1

Micrometer to Nanometer conversion table

Micrometers (µm) Nanometers (nm)
1 µm 1000
2 µm 2000
3 µm 3000
5 µm 5000
10 µm 10 000
20 µm 20 000
25 µm 25 000
50 µm 50 000
100 µm 100 000
250 µm 250 000
500 µm 500 000
1000 µm 1 000 000

Frequently asked

How many micrometers are in a nanometer?

One nanometer equals 0.001 micrometers (nm → µm). That figure is exact, not rounded.

How do you convert nanometers to micrometers?

Multiply the number of nanometers by 0.001 to get micrometers.

What is 1 µm in nanometers?

One micrometer is 1000 nanometers.

What is 10 nm in µm?

10 nm = 0.01 µm.

Related conversions

Settings

Theme

System follows your operating system and changes with it.

Text size
High contrast

Maximises text and border contrast and removes the grid background.

Graph-paper background

Round to
Notation
Thousands separators
Decimal mark
Nearest fraction

Shows the result as the nearest tape-measure fraction, with the error it costs.


Accessibility & interaction
Reduce motion Stops interface animations even when the operating system does not.
Underline links Keeps links visually distinct without relying on colour.
Larger touch targets Makes buttons and form controls easier to tap.
Shorter reading lines Limits article width for easier scanning.
Monochrome display Removes colour as an information cue.
Always-visible focus Makes the keyboard focus ring persistent and stronger.
Verbose screen-reader results Announces the complete conversion equation.
Sticky action bars Keeps converter and calculator actions within reach.
Select values on focus Replaces a value immediately when you start typing.
Left-handed mobile layout Moves key mobile actions toward the left thumb.

Your data

Settings, recent conversions and favourites live in this browser only. Nothing is sent anywhere.

Offline library