The 195/40R16 tire size is a popular choice for compact cars and offers a balance of performance and aesthetics. Understanding this tire size involves breaking down its components and converting its dimensions from metric to imperial units.
Understanding 195/40R16 Tire Size
The tire size 195/40R16 can be broken down as follows:
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195 - This number represents the tire's width in millimeters. It is the measurement from sidewall to sidewall.
-
40 - This is the aspect ratio, a percentage that indicates the height of the tire's sidewall as a proportion of the width. Here, the sidewall height is 40% of the 195 mm width.
-
R - This letter signifies that the tire has radial construction, which is the most common type for passenger vehicles.
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16 - This number is the diameter of the wheel in inches that the tire is designed to fit.
How to Convert 195/40R16 Into Inches
To convert the tire dimensions from metric to imperial, use the conversion factor: 25.4 mm = 1 inch.
Step-by-Step Conversion
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Width: 195 mm ÷ 25.4 = 7.68 inches
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Sidewall Height: 195 mm × 0.40 = 78 mm; 78 mm ÷ 25.4 = 3.07 inches
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Overall Diameter: (2 × 78 mm) + (16 inches × 25.4) = 563.4 mm; 563.4 mm ÷ 25.4 = 22.18 inches
Detailed Conversion Table
|
Measurement |
Metric (mm) |
Imperial (inches) |
|
Width |
195 mm |
7.68 inches |
|
Sidewall Height |
78 mm |
3.07 inches |
|
Overall Diameter |
563.4 mm |
22.18 inches |
Quick Conversion Tips
Remember that 25.4 mm equals 1 inch. For quick estimations, you can round the conversions to the nearest tenth for simplicity.
Technical Specifications and Dimensions
-
Width: 195 mm (7.68 inches)
-
Aspect Ratio: 40%
-
Wheel Diameter: 16 inches
-
Overall Diameter: 563.4 mm (22.18 inches)
-
Load Index: 80 (indicating a maximum load capacity of 450 kg or 992 lbs per tire)
-
Speed Rating: W (maximum speed of 168 mph or 270 km/h)
-
Tread Pattern: Varies by brand (all-season, summer, or performance options available)
Compatible Vehicles for 195/40R16
This tire size is commonly used on compact cars and some sporty models. Here are some examples:
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Volkswagen Polo GTI (2010-2017)
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Mini Cooper (2001-2006)
-
Fiat 500 Abarth (2008-2019)
These vehicles typically require a tire that balances performance with a lower profile for enhanced handling.
Size Comparison and Alternatives
When considering alternative sizes, ensure the overall diameter remains within 3% of the original size to maintain speedometer accuracy and vehicle handling. Some alternatives include:
-
205/40R16
-
195/45R16
FAQ Section
What is the recommended tire pressure for 195/40R16 tires?
The recommended tire pressure typically ranges from 32 to 36 PSI (220 to 250 kPa), but always refer to your vehicle's manual for the exact specifications.
Can I use a different tire size than 195/40R16?
Yes, you can use a different size, but it must be within a 3% diameter difference to ensure safety and performance. Always consult with a tire professional before making changes.
What is the width and height of a 195/40R16 tire?
The tire width is 195 mm (7.68 inches), and the sidewall height is 78 mm (3.07 inches).
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