This document discusses how to measure and build organizational budgets. It explains that budgets should measure money coming in (revenue) and going out (expenses), as well as money available (assets). When building a budget, it is important to include tabs for summaries, programs, and additional information, as well as columns for months, years, and versions. Formulas and common calculations are provided. The document also discusses levers that budgets can impact, such as fundraising, efficiency, programs, and future opportunities. It stresses determining return on investment and considering affordability before making budget decisions.