Convert Metric cup to US barrel
Unit definitions
Metric cup
The metric cup is equal to $250$ milliliters.
US barrel
The US barrel is the standard liquid barrel in the US customary system. One US barrel equals $31.5$ US liquid gallons.
How to convert Metric cup to US barrel
$$\text{Volume}_{\text{bbl (US)}} = \text{Volume}_{\text{cup (metric)}} \cdot 0.002096603590144035042697618425469544$$
Examples
Example 1
Convert $20.0\ \text{cup (metric)}$ to $\text{bbl (US)}$.
$$\text{Volume}_{\text{bbl (US)}} = 20.0 \cdot 0.002096603590144035042697618425469544$$
$$\text{Volume}_{\text{bbl (US)}} = 0.041932$$
$$\therefore \ 20.0\ \text{cup (metric)} = 0.041932 \ \text{bbl (US)}$$
Example 2
Convert $70.0\ \text{cup (metric)}$ to $\text{bbl (US)}$.
$$\text{Volume}_{\text{bbl (US)}} = 70.0 \cdot 0.002096603590144035042697618425469544$$
$$\text{Volume}_{\text{bbl (US)}} = 0.146762$$
$$\therefore \ 70.0\ \text{cup (metric)} = 0.146762 \ \text{bbl (US)}$$
Example 3
Convert $105.0\ \text{cup (metric)}$ to $\text{bbl (US)}$.
$$\text{Volume}_{\text{bbl (US)}} = 105.0 \cdot 0.002096603590144035042697618425469544$$
$$\text{Volume}_{\text{bbl (US)}} = 0.220143$$
$$\therefore \ 105.0\ \text{cup (metric)} = 0.220143 \ \text{bbl (US)}$$
Example 4
Convert $145.0\ \text{cup (metric)}$ to $\text{bbl (US)}$.
$$\text{Volume}_{\text{bbl (US)}} = 145.0 \cdot 0.002096603590144035042697618425469544$$
$$\text{Volume}_{\text{bbl (US)}} = 0.304008$$
$$\therefore \ 145.0\ \text{cup (metric)} = 0.304008 \ \text{bbl (US)}$$
Example 5
Convert $200.0\ \text{cup (metric)}$ to $\text{bbl (US)}$.
$$\text{Volume}_{\text{bbl (US)}} = 200.0 \cdot 0.002096603590144035042697618425469544$$
$$\text{Volume}_{\text{bbl (US)}} = 0.419321$$
$$\therefore \ 200.0\ \text{cup (metric)} = 0.419321 \ \text{bbl (US)}$$