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Burn rate

As explained in Think Like a CTO

Burn rate is the amount of money an organization or department spends over a specified period, typically monthly or yearly.

Burn rate is the money a department or organization spends over a month or year if nothing changes. Treating it as a contextual operating measure makes costs easier to explain and use for budget and growth planning. section 2.2.1

Build a practical burn-rate view by:

  • Grouping expenditure into Development, Production, and Support, then breaking those areas down further when product lines or organizational groups require it. section 2.2.1
  • Maintaining a simple spreadsheet that records salaries, overhead, licenses, cloud or hardware, vendors, and training costs as they recur. section 2.2.1
  • Reviewing the expenditure sheet periodically with the CFO to make figures predictable, dependable, and easier to defend during budget approval. section 2.2.2

Turn salaries into project costs

For a developer earning $100K, adding 20% overhead produces a $120K annual cost, or $10K monthly and $500 per working day. A project requiring 14 days therefore carries a $7,000 developer cost. section 2.2.1

Table 2.1 Example monthly breakdown (view table figure)

Area

Monthly

AWS cost

$ 15K

DevOps (one person)

$ 2K

Software license (JIRA and GitHub)

$ 0.5K

Support (two persons at 10K each)

$ 20K

A monthly breakdown makes recurring costs visible across cloud infrastructure, staff, software licenses, and support. section 2.2.1

How Think Like a CTO covers it

How deep it goes
Defines the measure and supplies cost buckets, spreadsheet tracking, overhead assumptions, daily costing, and periodic review practices.
Examples
Uses expenditure buckets, a monthly cost table, and a developer daily-rate calculation for a 14-day project.
What it assumes
Requires basic cost tracking but not formal accounting training.
What you can do after
Apply it via a simple spreadsheet to estimate recurring costs, price project effort, and support more informed budget discussions.
How it connects
Links expenditure tracking to budgeting, growth planning, project costing, and CFO communication.

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This explainer was generated by Manning's knowledge graph from the text of Think Like a CTO. The section links point to the parts of the book it draws on.