How do you convert bias ply tires to metric?
Converting from bias-ply sizes to P-Metric sizes, in theory, shouldn’t be all that difficult. Measure the section width of your bias-ply tire and convert it to millimeters (1 inch = 25.4 millimeters), determine the older tire’s aspect ratio, then plug those numbers and the wheel diameter into the P-Metric format.
What tire size is equivalent to 33X12 50r15?
Tire size equivalent chart for 33″, 35″, 37″ or 40″ tires
| 33″ Tires (+/- 0.50″ in overall diameter) | ||
|---|---|---|
| 33X12.50-15 | 305/65-17 | |
| 33X13.50-15 | 33X12.50-17 | |
| 33X15.50-15 | ||
| 18″ | 20″ | 22″ |
What does F78 mean on a tire?
Vintage Tire Size Conversion Chart
| Pre-1964 | 1965-72 | Alpha Numeric 78 series |
|---|---|---|
| 5.90-14 | 645-14 | B78-14 |
| 6.50-14 | 695-14 | C78-14 |
| 7.00-14 | 735-14 | E78-14 |
| 7.50-14 | 775-14 | F78-14 |
What size is a L60 14 tire?
Vintage Car Tyre Conversion Chart
| Alpha-numeric 60 Series | Alpha-numeric 70 Series | Inch size, Pre 1965 |
|---|---|---|
| G60-14 | G70-14 | 8.00-14 |
| H60-14 | H70-14 | 8.50-14 |
| J60-14 | J70-14 | 8.85-14 |
| L60-14 | L70-14 | 9.15-14 |
What size is a 145R12 tire?
Enhance your purchase
| Size | 145/R12 |
|---|---|
| Rim Width | 12 Inches |
| Tread Depth | 8 32nds |
| Rim Size | 145 Millimeters |
| Tire Diameter | 21.40 inches |
How do you read a bias tire size?
The size starts with a letter, which is the tire’s load range. The higher the letter, the larger the tire. A78-13 is an example of a very small tire for an economy car, and L78-15 is an example of a large tire for a Cadillac. The two-digit number after the load range rating is the aspect ratio.
What is metric tire conversion formula?
So, the aspect ratio is equal to the tire diameter minus the rim diameter, divided by two, divided by the section width, times one hundred. Then, compose the metric tire size as the section width “/” aspect ratio “R” rim diameter.
What size is a 33X12 5R15?
33X12. 5R15 tires are 33.0″ tall, have a section width of 12.5″, and fit wheels with a diameter of 15. The circumference is 103.6″ that translates into 611 revolutions per mile.
What size tires are F78 15?
The F78/15 stated in modern tire size terms would be a 205/75-15.
What size tire is F78 15 st?
Expert Reply: The F78-15 tire size you have is basically the exact same as the 205/75-15 tire size.
How wide is an L60 tire?
Specifications
| Product Code | CB5E3 |
|---|---|
| Size | L60/15 |
| Rim Width | 7″ to 10″ |
| Section Width | 12.125″ |
| Overall Diameter | 28.07″ |
How tall is a E78 14 tire?
Vintage Tire Size Conversion Chart
| Pre-1964 | 1965-72 | Alpha Numeric 78 series |
|---|---|---|
| 7.25-13 | 700-13 | D78-13 |
| 5.90-14 | 645-14 | B78-14 |
| 6.50-14 | 695-14 | C78-14 |
| 7.00-14 | 735-14 | E78-14 |
What is the diameter of a 6.70 x15 tire?
Your current 6.70-15 tires have an overall diameter of approximately 27.4 inches and a width of approximately 6.7 inches, so the new tires would be very similar in diameter and just a bit wider.
What is a 155R12 tire?
155R12 tire has a section width of 6.1 inches which is the measurement of tire’s width from its inner sidewall to its outer sidewall. Rim diameter of 12 inches represents the size of the wheel the tire can be mounted on.
What is SR in tire size?
Prior to 1991, tire speed ratings were shown inside the tire size, before the “R” construction type. The available codes were SR (180 km/h, 112 mph), HR (210 km/h, 130 mph), VR (in excess of 210 km/h, 130 mph). Tires with a speed rating higher than 300 km/h (186 mph) are indicated by a Y in parentheses.