Nanometer to Astronomical unit Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert nanometers [nm] to astronomical units [au] or astronomical units [au] to nanometers [nm]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 nanometer [nm] ≈ 6.685 * 10-21 astronomical units [au]1 astronomical unit [au] ≈ 1.496 * 1020 nanometers [nm]

Convert nanometers to astronomical units

There are two simple ways to convert nanometers [nm] to astronomical units [au]. In the first calculation method, the value in nanometers [nm] is divided by the rounded conversion factor of 1.496 * 1020. The second method multiplies the value in nanometers [nm] by the rounded conversion factor of 6.685 * 10-21.

  • Astronomical units [au] ≈ nanometers [nm] ÷ (1.496 * 1020)
  • Astronomical units [au] ≈ nanometers [nm] * 6.685 * 10-21

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of nanometers [nm] to astronomical units [au] can be achieved using the following calculation method.

  • Astronomical units [au] = nanometers [nm] ÷ 23,367 ÷ 64,021 ÷ 1011

Convert astronomical units to nanometers

Converting astronomical units [au] to nanometers [nm] is easy and can be done in two ways. The first method involves multiplication, in which the value in astronomical units [au] is multiplied by the rounded conversion factor of 1.496 * 1020. The second variant is a division. Here, the value in astronomical units [au] is divided by the rounded conversion factor of 6.685 * 10-21.

  • Nanometers [nm] ≈ astronomical units [au] * 1.496 * 1020
  • Nanometers [nm] ≈ astronomical units [au] ÷ (6.685 * 10-21)

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of astronomical units [au] to nanometers [nm] can be achieved using the following calculation method.

  • Nanometers [nm] = astronomical units [au] * 23,367 * 64,021 * 1011

Converter

Decimal places

How it's calculated

Factor: 
≈ 1.496 * 1020
Astronomical units = Nanometers ÷ 23,367 ÷ 64,021 ÷ 1011
Nanometers = Astronomical units * 23,367 * 64,021 * 1011

To all available units

Nanometers

Cable lengths

Nanometers

Chains

Nanometers

Decameters

Nanometers

⅛ Inches

Nanometers

Eighth miles

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