What is Revenue Run Rate?
Revenue run rate projects current revenue performance to an annual figure. If you made $100K this month, your run rate is $1.2M annually. It's a snapshot extrapolation, not a forecast.
Run rate assumes current performance continues unchanged. It's useful for quick comparisons but dangerous if taken as a prediction, especially for seasonal businesses or companies with volatile revenue.
Why Run Rate Matters
Run rate provides a common basis for comparison. Comparing a company's March revenue to another's Q4 revenue is apples to oranges. Annualizing both to run rate makes them comparable.
Startups often cite run rate to communicate scale. "We're at $2M ARR" sounds better than "We did $167K last month," even though they mean the same thing.
Run Rate Limitations
Run rate ignores seasonality, one-time deals, and growth trends. A December run rate for a retail business will be wildly inflated. Always understand what's behind the number.
How to Calculate Revenue Run Rate Step by Step
Step 1: Take your most recent month's revenue.
- March revenue: $92,000
Step 2: Annualize it.
- Annual Run Rate = $92,000 × 12 = $1,104,000
Or use quarterly: Q1 revenue $260,000 × 4 = $1,040,000. The quarterly method smooths monthly variation.
Step 3: Decide which period to use. Monthly run rate is more current but noisier. Quarterly run rate is smoother but lags. For fast-growing startups, use monthly; for stable businesses, use quarterly.
Step 4: Understand when run rate misleads.
- You just closed a one-time $20K deal → inflates run rate by $240K
- December is your best month → December run rate overstates annual revenue
- You're growing 10% MoM → run rate understates where you'll actually end up
Common mistakes founders make:
- Annualizing a month that included one-time revenue
- Using run rate as a forecast (it assumes nothing changes)
- Presenting run rate to investors without noting recent growth trajectory
- Conflating run rate with ARR (run rate includes non-recurring revenue; ARR does not)
Formula
Annual Run Rate = Current Month Revenue × 12
Or: Annual Run Rate = Current Quarter Revenue × 4
For MRR: ARR Run Rate = Current MRR × 12
Example
Current month performance:
- March revenue: $125,000
- Annual run rate: $125,000 × 12 = $1,500,000
If Q1 total was $350,000:
Quarterly run rate: $350,000 × 4 = $1,400,000
Monthly projection is higher, suggesting growth acceleration.