سانچہ:Convert/oilbbl/a

This is the subtemplate for oil barrels per Julian year.

1 bbl/a	= 42 × 231 × 2543 × 10−4 × 3⁄60 × 60 × 24 × 365.25 m3/s
	= 42 × 231 × 1273 × 10−12⁄6 × 6 × 3 × 36525 m3/s
	= 7 × 77 × 1273 × 10−12⁄6 × 487 × 75 m3/s
	= 72 × 11 × 1273 × 10−12⁄9 × 487 × 50 m3/s
	= 72 × 11 × 1273 × 10−13⁄9 × 487 × 5 m3/s
	= 1104078437⁄21915 × 10−13 m3/s
	= 1.104078437⁄219150000 m3/s

log₁₀(^1.104078437⁄_219150000) ≈ −8.297741547