Total Expenses
The sum of every cost a business incurs to build, sell, and run its product: COGS, sales and marketing, product and engineering, and admin.
◆ Currency
Formula
Built from
What it measures
Every dollar flowing out the door to make and sell your product, summed across four buckets: COGS, customer acquisition, product and engineering, and admin. It is the full cost side of your Income Statement — the denominator behind gross margin, EBITDA, and burn — and it excludes capital outflows like financing and equity raises, which are not operating costs.
Why it matters
Total Expenses is the cost side of the story your revenue tells. Finance and leadership track it to enforce unit-economics discipline: you cannot optimize what you do not measure. It is the denominator for gross margin, EBITDA, and burn rate, which drives runway, pricing, and headcount planning. When revenue grows but expenses grow faster, you are headed toward insolvency; when expenses stay flat while revenue climbs, you have found operating leverage. It forces the hard question: which dollars actually move the needle?
How to read it
Read Total Expenses against revenue, never alone — the ratio is what matters. A declining expense-to-revenue ratio signals improving unit economics; a rising one signals the opposite. Compare month-over-month to catch unexpected payroll bumps or one-time spikes, and year-over-year to see whether you are running the same business at scale or deliberately reinvesting margin into growth. Always break the total into its four components to diagnose *why* it moved — two companies burning the same $1.9M look nothing alike if one is pouring it into product and the other into overhead. If Total Expenses exceeds revenue, you are operating at a loss: tolerable in hypergrowth, dangerous if it persists without a reinvestment thesis.
What good looks like
Good
Total Expenses growing slower than revenue — the expense-to-revenue ratio falls quarter over quarter as you gain operating leverage and margin expands.
Watch
Expenses flat while revenue grows, which can signal underfunding that will choke future growth; or expenses creeping up as fast as revenue with no margin gain.
Bad
Expenses growing faster than revenue, or Total Expenses exceeding revenue for several consecutive quarters with no clear reinvestment thesis — you are burning cash unsustainably.
Watch-outs
- Counting only ad spend as CAC. Customer acquisition is mostly payroll — sales, marketing, and customer success salaries — so an ad-only view drastically understates what it actually costs you to grow.
- Double-counting allocated cost pools. Shared finance or HR payroll must land in exactly one bucket (Overhead or OpEx), never split across both, or your total inflates and your margin lies.
- Confusing accrued expense with cash out the door. Payroll accrued but not yet paid still counts as expense — accrual measures the economics, cash measures liquidity. Mixing them breaks both burn and runway math.
- Booking lump-sum costs against a short period. Recognize a mid-month hire's full annual salary in that month and the month looks artificially terrible — amortize or accrue monthly so periods stay comparable.
Worked example
Hypothetical
You run a $2M ARR SaaS business. COGS (hosting, payment processing) is $200K/year. Sales and marketing payroll is $600K. Engineering and product salaries are $800K. Admin (finance, HR, legal) is $300K. Total Expenses is $1.9M, so gross-of-everything margin is just ($2M − $1.9M) / $2M = 5% — profitable on paper, but almost no buffer for a revenue dip or a growth bet.
Variants & windows
The same metric re-expressed by a mechanical transform — a trailing window, a growth rate, a per-unit scaling, or a book/segment cut. Each is computed from Total Expenses above.
- Total Expenses Company-wide total