How does usage-based insurance work?

UBI programs use a telematics device (plug-in OBD-II dongle) or smartphone app to monitor your driving behavior. Factors like speed, braking patterns, time of day, and miles driven are analyzed to calculate a driving score that determines your discount.

Can my rate go up with UBI?

It depends on the program. Some insurers guarantee no increase — your rate can only stay the same or go down. Others may increase your rate if your driving behavior is significantly worse than average. Always ask about rate guarantees before enrolling.

Safe drivers typically save 10-40%. Progressive Snapshot advertises average savings of about $145/year, while top performers save more. The maximum discount varies by insurer — some cap at 30%, others at 40%.

Is my driving data private?

UBI data is used by the insurer for pricing and may be shared with third parties in some programs. Read the privacy policy carefully. Some states have regulations limiting how telematics data can be used and shared.

What factors affect my driving score?

The main factors are hard braking, rapid acceleration, speeding, late-night driving (11 PM-5 AM), phone distraction, and total miles driven. Each insurer weights these differently, but hard braking and night driving are universally important.

How long is the monitoring period?

Most programs monitor your driving for 30-90 days before calculating the final discount. Some programs offer ongoing monitoring with periodic rate adjustments. After the initial period, some allow you to remove the device.

Usage-Based Insurance Savings Calculator

Calculate potential savings from usage-based (UBI) or pay-how-you-drive auto insurance programs. See how safe driving habits lower your premium.

Annual Miles Driven

Driving Score (0-100)

Hard Brakes per 100 Miles

Current Annual Premium

Daytime Driving %

Vehicle Type

Estimated UBI Discount

0.22%

Save $440.00 per year on your current premium

New Annual Premium

$1,560.00

Down from $2,000.00 with telematics

Monthly Savings

$36.67

New monthly payment: $130.00

Cost Per Mile

$0.13

Based on 12,000.00 annual miles driven

5-Year Projected Savings

$2,200.00

Cumulative savings if discount level remains consistent

Driving Score Rating

Good

Score of 75/100 based on your driving habits

Driving Score Breakdown

75/100

Discount Factor Breakdown

Factor	Impact	Contribution
Low Mileage	+0.08%
Driving Score	+0.10%
Daytime Driving	+0.04%
Vehicle Type	+0.02%
Hard Braking	-0.02%

Telematics Provider Comparison

Provider	Est. Discount Range	Tracking Method	Est. Annual Savings
Progressive Snapshot	13% - 24%	OBD-II plug-in or app	$370.00
Allstate Drivewise	11% - 22%	Mobile app	$330.00
State Farm Drive Safe	15% - 25%	Mobile app	$400.00
GEICO DriveEasy	12% - 21%	Mobile app	$330.00
Nationwide SmartRide	14% - 23%	OBD-II device	$370.00

Actual discounts vary by insurer, state, and driving data collected during the monitoring period (typically 30-90 days).

Planning notes, formulas, and examples

About the Usage-Based Insurance Savings Calculator

Usage-based insurance (UBI) programs monitor your driving behavior — speed, braking, time of day, and phone usage — to offer personalized discounts of 5-40%. Programs like Progressive Snapshot, State Farm Drive Safe & Save, and Allstate Drivewise reward safe driving habits with lower premiums.

This calculator estimates your potential savings based on your driving score and current premium. Enter your premium and expected driving score to see the possible discount.

This is an educational estimate only. Actual savings depend on your insurer's specific UBI program and your real driving behavior data.

When This Page Helps

Safe drivers overpay with traditional insurance that averages risk. UBI programs can save 10-30% for careful drivers. This calculator helps you estimate whether enrolling in a usage-based program is worth it.

How to Use the Inputs

Enter your current annual auto insurance premium.
Select your expected driving quality (safe, moderate, aggressive).
Review the estimated discount range and annual savings.
Compare to your current rate to decide if UBI is worth trying.

Formula used

Driving Score Factor: Safe = 25-40% discount, Moderate = 10-20%, Aggressive = 0-5%
Annual Savings = Current Premium × Discount Percentage
New Premium = Current Premium − Annual Savings
Monthly Savings = Annual Savings / 12

Example Calculation

Result: $400-$640 estimated annual savings

A safe driver with a $1,600 premium could save 25-40% through a UBI program. That's $400-$640 per year, or $33-$53 per month. The exact discount depends on the insurer and your actual driving data.

Tips & Best Practices

Most UBI programs monitor speed, hard braking, time of day, and phone usage.
Avoiding late-night driving (11 PM-5 AM) significantly improves your score.
Smooth braking and acceleration are the easiest factors to improve.
Most programs have an initial monitoring period of 30-90 days.
Some programs can increase your rate if driving behavior is poor — ask about guarantees.
This is an educational estimate — actual savings depend on your real driving data.

How UBI Programs Compare

Progressive Snapshot is the most well-known, using either a plug-in device or the Progressive app. State Farm Drive Safe & Save uses the State Farm app. Allstate Drivewise uses a mobile app. Each program weights driving factors differently, so your savings may vary by insurer.

Tips for Maximizing Your UBI Score

The biggest score killers are hard braking events and late-night driving. Plan routes to avoid sudden stops, leave extra following distance, and minimize driving between 11 PM and 5 AM. Even moderate improvements in these areas can boost your discount by 10-15%.

Privacy Considerations

UBI programs collect detailed driving data including location, speed, and driving patterns. If privacy is a concern, ask about app-only programs (which can be turned off) versus always-on plug-in devices. Some states have specific privacy protections for telematics data.

Sources & Methodology

Last updated: February 9, 2026

Frequently Asked Questions

UBI programs use a telematics device (plug-in OBD-II dongle) or smartphone app to monitor your driving behavior. Factors like speed, braking patterns, time of day, and miles driven are analyzed to calculate a driving score that determines your discount.