To calculate 0 days, 49 hours, and 30 minutes into the future, we need to convert all the units to a consistent format. First, convert 0 days to hours, which remains 0 hours. Next, add the 49 hours to get a total of 49 hours. Then, convert 30 minutes to hours, which is equal to 0.5 hours. Add this to the 49 hours to get a final total of 49.5 hours in the future.