In order to track you spending you will need the following two budget worksheets: Weekly Expenses Report Worksheet _ On this worksheet you will record all the spending for a given week. You will want to have four copies of this worksheet for a given month. Carry it with you to record expenses or make a habit of recording expenses at the end of the day with your daily receipts. Make sure to include a description of the item, the date purchased, the amount and the expense category. You will also want to write down how you paid for the item whether by cash, check, or credit card. This will give you a very detailed report of your weekly spending.
I'm a fan of MS Excel _ my apologies for those who have issues with Microsoft _ because I find its powerful calculations are easy to manipulate to help me better understand my finances. It doesn't really matter though which spreadsheeting package you use so long as you are able to calculate your amounts effectively. There are commercial budgeting worksheets available but if you want to create your own its a simple process.