Fermi question · Everyday
About how many gallons of motor gasoline did the United States consume per day in 2025?
Make a fast, defensible estimate before you reveal the reference answer. Think in factors, not exact recall.
What is your estimate?
Your result will appear here after you submit a guess.
Reference answer
Reveal the reference answer
≈ 374 million gallons per day
Fermi estimates are judged by scale, so a reasonable approximation can still earn a strong score.
One way to estimate it
Estimate the vehicle fleet and multiply by average daily fuel use.
- Vehicles≈ 280 million
- Average gasoline use≈ 1.3 gallons per vehicle per day
- Estimate280M × 1.3 ≈ 360M gallons/day
Keep practicing
Try another question, or return to the daily challenge to build your personal sense of scale.