How to convert petameters to barleycorns
1 petameter is equal to 1.181102362 × 10¹⁷ barleycorns, and 1 barleycorn is equal to 8.466666667 × 10⁻¹⁸ petameters. To convert, multiply by the conversion factor:
barleycorns = petameters × 1.181102362 × 10¹⁷
barleycorns = petameters ÷ 8.466666667 × 10⁻¹⁸Example: convert 1 Pm to barleycorn: 1 × 1.181102362 × 10¹⁷ = 1.181102362 × 10¹⁷ barleycorn.
Petameter to Barleycorn conversion table
| Petameter (Pm) | Barleycorn (barleycorn) |
|---|---|
| 0.01 Pm | 1.181102362 × 10¹⁵ barleycorn |
| 0.1 Pm | 1.181102362 × 10¹⁶ barleycorn |
| 1 Pm | 1.181102362 × 10¹⁷ barleycorn |
| 2 Pm | 2.362204724 × 10¹⁷ barleycorn |
| 3 Pm | 3.543307087 × 10¹⁷ barleycorn |
| 5 Pm | 5.905511811 × 10¹⁷ barleycorn |
| 10 Pm | 1.181102362 × 10¹⁸ barleycorn |
| 20 Pm | 2.362204724 × 10¹⁸ barleycorn |
| 50 Pm | 5.905511811 × 10¹⁸ barleycorn |
| 100 Pm | 1.181102362 × 10¹⁹ barleycorn |
| 250 Pm | 2.952755906 × 10¹⁹ barleycorn |
| 500 Pm | 5.905511811 × 10¹⁹ barleycorn |
| 1,000 Pm | 1.181102362 × 10²⁰ barleycorn |
About the petameter
A petameter is 10¹⁵ meters, roughly a tenth of a light-year.
Symbol: Pm · 1 Pm = 1 × 10¹⁵ m · Category: Metric (SI)
About the barleycorn
The barleycorn is one third of an inch (about 8.47 mm). It's still the basis of UK and US shoe sizes, where one size step is one barleycorn.
Symbol: barleycorn · 1 barleycorn = 0.008466666667 m · Category: Historical & cloth