Skip to content
XUtilHub

Barleycorn to Petameter Converter

Convert barleycorns (barleycorn) to petameters (Pm). 1 barleycorn = 8.466666667 × 10⁻¹⁸ Pm.

1 barleycorn = 8.466666667 × 10⁻¹⁸ Pm

Petameter to Barleycorn converter

How to convert barleycorns to petameters

1 barleycorn is equal to 8.466666667 × 10⁻¹⁸ petameters, and 1 petameter is equal to 1.181102362 × 10¹⁷ barleycorns. To convert, multiply by the conversion factor:

petameters = barleycorns × 8.466666667 × 10⁻¹⁸
petameters = barleycorns ÷ 1.181102362 × 10¹⁷

Example: convert 1 barleycorn to Pm: 1 × 8.466666667 × 10⁻¹⁸ = 8.466666667 × 10⁻¹⁸ Pm.

Barleycorn to Petameter conversion table

Barleycorn (barleycorn)Petameter (Pm)
0.01 barleycorn8.466666667 × 10⁻²⁰ Pm
0.1 barleycorn8.466666667 × 10⁻¹⁹ Pm
1 barleycorn8.466666667 × 10⁻¹⁸ Pm
2 barleycorn1.693333333 × 10⁻¹⁷ Pm
3 barleycorn2.54 × 10⁻¹⁷ Pm
5 barleycorn4.233333333 × 10⁻¹⁷ Pm
10 barleycorn8.466666667 × 10⁻¹⁷ Pm
20 barleycorn1.693333333 × 10⁻¹⁶ Pm
50 barleycorn4.233333333 × 10⁻¹⁶ Pm
100 barleycorn8.466666667 × 10⁻¹⁶ Pm
250 barleycorn2.116666667 × 10⁻¹⁵ Pm
500 barleycorn4.233333333 × 10⁻¹⁵ Pm
1,000 barleycorn8.466666667 × 10⁻¹⁵ Pm

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

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)

Frequently asked questions

How many petameters are in a barleycorn?

There are 8.466666667 × 10⁻¹⁸ petameters in 1 barleycorn (barleycorn).

How many barleycorns are in a petameter?

1 petameter (Pm) equals 1.181102362 × 10¹⁷ barleycorns.

How do I convert barleycorns to petameters?

Multiply the length in barleycorns by 8.466666667 × 10⁻¹⁸. For example, 1 barleycorn × 8.466666667 × 10⁻¹⁸ = 8.466666667 × 10⁻¹⁸ Pm.

How do I convert petameters to barleycorns?

Divide the length in petameters by 8.466666667 × 10⁻¹⁸, or multiply it by 1.181102362 × 10¹⁷. You can also use the Petameter to Barleycorn converter.