1 × 10²¹ Angstroms in Astronomical Units (A to au)
1 × 10²¹ A = 0.6685 au
1 × 10²¹ Angstroms equals 0.6685 Astronomical Units (1 × 10²¹ A = 0.6685 au).
Quick Facts: Angstroms to Astronomical Units
- Conversion
- 1 × 10²¹ Angstroms = 0.6685 Astronomical Units
- Formula
- Convert Angstroms to Astronomical Units
- Calculation
- 1 × 10²¹ A → 0.6685 au
- Reverse
- 0.6685 au = 1 × 10²¹ A
- Also equals
- 4,970,969,537.9 ch · 54,680,664,916.9 ftm · 328,083,989,501.3 ft · 497,096,953.8 fur · 984,251,968,503.9 hh · 100,000,000 km · 20,712,373.1 lea · 100,000,000,000 m
How to Convert Angstroms to Astronomical Units
au = A ÷ 1.49598 × 10²¹
- Start with 1 × 10²¹ A
- Calculate 1 × 10²¹ ÷ 1.49598 × 10²¹
- The result is 0.6685 au
Worked example: 1 × 10²¹ A = 0.6685 au
Common Angstroms to Astronomical Units Conversions
| Angstroms (A) | Astronomical Units (au) | Status |
|---|---|---|
| 1 × 10¹⁸ A | 0.0007 au | |
| 5 × 10¹⁸ A | 0.0033 au | |
| 1 × 10¹⁹ A | 0.0067 au | |
| 5 × 10¹⁹ A | 0.0334 au | |
| 1 × 10²⁰ A | 0.0668 au | |
| 5 × 10²⁰ A | 0.3342 au | |
| 1 × 10²¹ A | 0.6685 au | Current |
| 5 × 10²¹ A | 3.3423 au | |
| 1 × 10²² A | 6.6846 au |
Want to learn more? Read our complete Angstroms to Astronomical Units guide with formula, FAQ, and background info.