How much is 1l take away 250ml?

To find out how much 1 liter minus 250 milliliters is, first convert 1 liter to milliliters, which is 1000 ml. Then subtract 250 ml from 1000 ml: 1000 ml - 250 ml = 750 ml. Therefore, 1 liter take away 250 milliliters equals 750 milliliters.