Liquor Back Calculator

Current Gravity ($c_P$)

°P

Current Volume Collected ($c_V$)

bbls

Target Gravity ($t_P$)

°P

Water to Add ($t_W$) — bbls

Back

Formula

$$t_W = \left(\frac{c_P \times c_V}{t_P}\right) - c_V$$

$t_W$: Water to add in bbls

$c_P$: Current gravity (°P)

$c_V$: Current volume collected (bbls)

$t_P$: Target gravity (°P)