Well, this would have been nice to have known about this past Fourth of July weekend, wouldn’t it have been? The DrinkTracker iPhone application allows you to set a goal BAC while calculating an estimated current level based on what you’ve had to drink.
The DrinkTracker automatically compares your drink intake to your metabolic removal rate, calculating your BAC every 60 seconds. If it’s not 100% accurate, it at least provides a pretty smart estimate about where you stand if you’re not so good at keeping track of your liquor intake yourself. Wonder if it’ll ever have iBreath compatibility!