Astronomical unit to Gigaparsec Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert astronomical units [au] to gigaparsecs [Gpc] or gigaparsecs [Gpc] to astronomical units [au]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert astronomical units to gigaparsecs
There are two simple ways to convert astronomical units [au] to gigaparsecs [Gpc]. In the first calculation method, the value in astronomical units [au] is divided by the rounded conversion factor of 2.063 * 1014. The second method multiplies the value in astronomical units [au] by the rounded conversion factor of 4.848 * 10-15.
- Gigaparsecs [Gpc] ≈ astronomical units [au] ÷ (2.063 * 1014)
- Gigaparsecs [Gpc] ≈ astronomical units [au] * 4.848 * 10-15
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of astronomical units [au] to gigaparsecs [Gpc] can be achieved using the following calculation method.
- Gigaparsecs [Gpc] = astronomical units [au] ÷ 30,857 * 23,367 * 64,021 ÷ 1019
Convert gigaparsecs to astronomical units
Converting gigaparsecs [Gpc] to astronomical units [au] is easy and can be done in two ways. The first method involves multiplication, in which the value in gigaparsecs [Gpc] is multiplied by the rounded conversion factor of 2.063 * 1014. The second variant is a division. Here, the value in gigaparsecs [Gpc] is divided by the rounded conversion factor of 4.848 * 10-15.
- Astronomical units [au] ≈ gigaparsecs [Gpc] * 2.063 * 1014
- Astronomical units [au] ≈ gigaparsecs [Gpc] ÷ (4.848 * 10-15)
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of gigaparsecs [Gpc] to astronomical units [au] can be achieved using the following calculation method.
- Astronomical units [au] = gigaparsecs [Gpc] * 30,857 ÷ 23,367 ÷ 64,021 * 1019
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