I use an MSR Pocket Rocket stove for most of my trips (for the record, GREAT stove!), and need to find a way to start planning how much fuel I'll be using on trips. Most of my trips right now are overnight or weekend trips (school and work suck), and the 4 oz size has lasted me a couple of trips thus far. But soon I'll be planning longer trips and am finding out that I have no idea just how much fuel my stove uses per meal! Does anybody have any anecdotal experience on how long a 4 oz or 8 oz isobutane-propane fuel canister will last, or can point me to a link that has this info? I know that how much fuel depends on a lot of differant things, so...

- I go either solo or with one or two other people
- two meals a day are cooked; I go with mainly with recipes that just require boiling water, but I do like some black beans and rice for dinner (cook time maybe 30 minutes)

Any thoughts or info is appreciated.