Wheel Alignment Angle Calculator
Understand and check your vehicle wheel alignment angles including toe, camber, and caster specifications.
Wheel alignment refers to the angles at which your tires contact the road surface. Proper alignment ensures even tire wear, straight tracking, and safe handling. The three primary alignment angles are toe, camber, and caster.
The Three Alignment Angles:
1. Toe (most commonly adjusted): Toe measures whether the front edges of the tires point inward (toe-in) or outward (toe-out) when viewed from above.
- Toe-in (positive): Front of tires point toward each other. Promotes straight-line stability.
- Toe-out (negative): Front of tires point away from each other. Improves turn-in response.
- Measured in: Degrees or fractions of an inch/millimeter
- Typical range: -0.1° to +0.3° per wheel (total toe: 0° to +0.5°)
Total Toe = Left Toe + Right Toe
Toe in inches ≈ Toe in degrees × Tire diameter × π / 360
2. Camber: Camber measures the inward or outward tilt of the tire when viewed from the front of the vehicle.
- Negative camber: Top of tire tilts inward. Better cornering grip but wears inner tire edge.
- Positive camber: Top of tire tilts outward. Used on older vehicles and some heavy-duty applications.
- Zero camber: Tire is perfectly vertical. Best for even tire wear.
- Typical range: -1.5° to +0.5°
3. Caster: Caster measures the angle of the steering axis when viewed from the side. It affects steering feel and straight-line stability.
- Positive caster: Steering axis tilts toward the driver. Improves stability and steering return.
- Negative caster: Steering axis tilts forward. Very rare on modern vehicles.
- Typical range: +3° to +7° (most modern vehicles run positive caster)
Typical Alignment Specifications by Vehicle Type:
| Vehicle Type | Toe (per wheel) | Camber | Caster |
|---|---|---|---|
| Sedan (comfort) | +0.05° to +0.15° | -0.5° to 0° | +3° to +5° |
| Sports car | 0° to +0.10° | -0.8° to -1.5° | +5° to +7° |
| SUV / Truck | +0.10° to +0.25° | -0.3° to +0.5° | +3° to +5° |
| Performance tuning | -0.05° to +0.05° | -1.0° to -2.5° | +5° to +8° |
Cross-Camber and Cross-Caster: The difference between left and right side camber (or caster) is called cross-camber (or cross-caster). This should be as close to zero as possible.
- Maximum acceptable cross-camber: ±0.5°
- Maximum acceptable cross-caster: ±0.5°
A vehicle with unequal cross values will pull to one side.
Tire Wear Patterns:
| Wear Pattern | Likely Cause |
|---|---|
| Both edges worn (center fine) | Underinflation |
| Center worn (edges fine) | Overinflation |
| Inner edge only | Excessive negative camber |
| Outer edge only | Excessive positive camber |
| Feathering (scalloped edge) | Incorrect toe |
| Cupping (diagonal wear) | Worn suspension parts |
When to Get an Alignment:
- After hitting a large pothole or curb
- After installing new tires
- Every 6,000–10,000 miles (10,000–16,000 km) as preventive maintenance
- When the steering wheel is off-center
- When the vehicle pulls to one side
- After any suspension or steering component replacement
Alignment Cost:
- Two-wheel alignment (front only): $50–$100
- Four-wheel alignment: $100–$200
- Performance/race alignment: $200–$400
Proper alignment can extend tire life by 25–50% — a set of tires costing $400–$1,000 makes the $100–$200 alignment a very worthwhile investment. Many tire shops include free alignment checks when you purchase tires.