Convert Astronomical Unit to Planck Length
Type the number of astronomical units that you wish to convert to planck lengths.
How to Convert Astronomical Units to Planck Lengths
The astronomical unit and planck length are both units of length. By definition, 1 astronomical unit equals exactly 9.2574257426e45 planck lengths. This means to convert astronomical units to planck lengths, you multiply by 9.2574257426e45.
Formula
Step-by-Step Example
Convert 5 AU to planck lengths:
We need to convert astronomical units to planck lengths
Since 1 AU = 9.2574257426e45 ℓP, multiply by 9.2574257426e45
5 × 9.2574257426e45 = 4.6287128713e46
5 AU = 4.6287128713e46 ℓP
Astronomical Unit to Planck Length Conversion Table
Quick reference table for common astronomical unit to planck length conversions. Click any value for detailed calculation.
| Astronomical Units (AU) | Planck Lengths (ℓP) |
|---|---|
| 0.1 AU | 9.2574257426e44 ℓP |
| 0.5 AU | 4.6287128713e45 ℓP |
| 1 AU | 9.2574257426e45 ℓP |
| 2 AU | 1.8514851485e46 ℓP |
| 5 AU | 4.6287128713e46 ℓP |
| 10 AU | 9.2574257426e46 ℓP |
| 25 AU | 2.3143564356e47 ℓP |
| 50 AU | 4.6287128713e47 ℓP |
| 100 AU | 9.2574257426e47 ℓP |
About These Units
Astronomical Unit (AU)
An astronomical unit (AU) is the average distance from Earth to the Sun: approximately 149.6 million kilometers or 93 million miles. AUs measure distances within our solar system. Mars is 1.52 AU from the Sun, Jupiter is 5.2 AU.
Planck Length (ℓP)
The Planck length (ℓP) is approximately 1.616×10⁻³⁵ meters, the smallest meaningful length in physics where quantum gravity effects become significant. Below this scale, our current understanding of space and time breaks down. Named after physicist Max Planck.
Frequently Asked Questions
How do I convert astronomical units to planck lengths?
To convert astronomical units to planck lengths, multiply the value by 9.2574257426e45. For example, 10 AU = 9.2574257426e46 ℓP.
How many planck lengths are in 1 astronomical unit?
1 astronomical unit equals 9.2574257426e45 planck lengths.
What is the formula for astronomical units to planck lengths?
The formula is: ℓP = AU × 9.2574257426e45.