Do you like to travel but don't like converting units? Who should be guided by this? No more annoying searching and then typing units of measurement into the calculator to convert them! The ImpARial app is the solution! Select the conversion type and point the camera at the values ...
Going by your estimate of the silo holding 140 yards and concrete weighing at 150# per cubic foot that would total out at 567,000 pounds or 283 tons. Using your figures of 25' high by 14' diam +142.53 yards according to Ozinga's handy dandy on-line calculator. ...