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Volume meter for gas cans?
I get my gas using my supermarket's discount program, so I buy the maximum 30 gallons every time by filling my tank and red 5-gallon gas cans.
I can easily calculate what goes INTO the cans by subtracting my car's fill-up volume from the 30-gallon total. But I put some of the gas from the cans into my wife's car between my fillups. This leaves me with estimates of the cans' actual contents. Anyone know how I can accurately gauge what I pour into my car when I'm not at the filling station, but rather in my garage?
If I have to, I can do the math at the pump and track the contents of each can as I fill them, then track which car they go into. The much lazier way is what I asked about above. Is there a home meter for this kind of situation?
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