1
Estimate weekly gallons
We divide your weekly miles by MPG (default 25, EPA 2024 combined average). Editable via the link above.
Your Weekly Exposure
Just saw gas jump $0.25 overnight? Know whether to fill up now or wait.
At your mileage, a $0.10 swing = $1.00 /week
Formula:
Weekly gallons = Weekly Miles ÷ MPG → 10.00 gal/wk Cost per $0.10 swing = Weekly gallons × $0.10 → $1.00 /weekVolatility Impact Card
At your mileage, a $0.30 swing = $3.00 /week
| Swing | Weekly Cost | Monthly Cost |
|---|---|---|
| $0.10 | $1.00 /week | $4.33/mo |
| $0.30 | $3.00 /week | $12.99/mo |
| $0.50 | $5.00 /week | $21.65/mo |
Data source: your three inputs only. MPG assumption: EPA combined avg 2024 (25 MPG).
How It Works
2
Multiply by price swing
Each $0.10/gallon change × your weekly gallons = your weekly cost difference.
3
See weekly + monthly impact
Results update instantly. All math runs in your browser. No tracking, no account, no API calls.