Alpha Numeric Conversion Chart
ALPHA-NUMERIC
SIZE ON VEHICLE
PLACARD
IF VEHICLE TIRE PLACARD SPECIFIES AN
ALPHA-NUMERIC TIRE SIZE, THE FOLLOWING ARE
ACCEPTABLE SUBSTITUE SIZES.
(32 PSI MAX. PRESSURE)
IMPORTANT: Do not exceed maximum tire pressure imprinted on tire sidewall.
13 INCH TIRE SIZE
AR78-13
BR78-13
CR78-13
P165/80Rl3, P175/75Rl3, P185/70RI3, P195/60Rl3, P215/50Rl3, 185/70Rl3
P175/80Rl3, P185/75Rl3, P195/70Rl3, P195/65Rl3, P205/60Rl3
P185/80Rl3, P195/70Rl3, P215/60Rl3, P235/50Rl3
BR78-14
CR78-14
DR78-14
ER78-14
HR78-14
P175/75Rl4, P185/70Rl4, 185/70Rl4
P185/75Rl4, P195/70Rl4, P205/65Rl4, P215/60Rl4, 195/70Rl4
P185/80Rl4, P195/75Rl4, P205/70Rl4, P205/65Rl4, P215/60Rl4, P245/50Rl4
P195/75Rl4, P205/70Rl4, P225/60Rl4, P245/50Rl4
P225/75Rl4, P235/70Rl4
BR78-15
ER78-15
FR78-15
GR78-15
HR78-15
JR78-15
LR78-15
P165/80Rl5, P175/75Rl5, P185/70Rl5
P195/75Rl5, P215/65Rl5, P245/50Rl5
P205/75Rl5, P215/70Rl5, P215/65Rl5, P235/60Rl5, P245/50Rl5
P215/75Rl5, P215/70RI5, P235/60Rl5, P255/55Rl5, P265/50Rl5
P225/75Rl5, P235/70Rl5, P255/60Rl5, P275/50R15
P225/75Rl5, P235/70Rl5, P255/60Rl5
P235/75Rl5, P245/70Rl5, P255/65Rl5, P265/60Rl5, P295/50Rl5
14 INCH TIRE SIZE
15 INCH TIRE SIZE
* The
information above is for the tire professional and
should not be attempted by individuals not properly trained & equipped.
Tire Size Conversion Chart
1949
1965
to
to
1964
1970
NUMERIC
"90-" to "80"-series
5.20-10
5.20-12
5.60-12
6.00-12
1970
to
1980
ALPHA NUMERIC*
78- to 50-series
1960
to
Present
EURO-METRIC
"82"-series
145R10
145R12
155R12
P-METRIC
80-, 75-series
P145/80R12
P155/80R12
70-series
165/70R10
165/70R12
1980
to
Present
EURO-METRIC or P-METRIC
65-series
60-series
50-series
165/65R13
5.60-13
6.00-13
6.50-13
7.00-13
5.60-14
6.00-14
6.00-14
6.45-14
6.50-14
6.95-14
7.00-14
7.50-14
8.00-14
8.50-14
9.00-14
9.50-14
7.35-14
7.75-14
8.25-14
8.55-14
5.60-15
6.00-15
6.50-15
6.70-15
6.85-15
7.35-15
7.75-15
8.15-15
7.10-15
A
B
C
D
B
C
D
E
F
G
H
J
L
A
B
C
D
E
F
145R13
155R13
165R13
175R13
185R13
195R13
145R14
155R14
165R14
175R14
P155/80R13
P165/80R13
P175/80R13
P185/80R13
P175/75R14
P185/75R14
185R14
195R14
205R14
215R14
225R14
P195/75R14
P205/75R14
P215/75R14
P225/75R14
155R15
165R15
175R15
P155/80R15
P165/80R15
185R15
195R15
P195/75R15
P205/75R15
G
205R15
H
J
K
L
N
175/70R13
185/70R13
175/70R14
185/70R14
195/70R14
195/60R13
205/60R13
175/65R14
185/65R14
195/65R14
205/70R14
215/70R14
225/70R14
215/50R13
205/60R14
215/60R14
225/60R14
235/60R14
245/60R14
245/50R14
265/50R14
185/65R15
195/65R15
205/65R15
195/60R15
205/60R15
215/60R15
205/70R15
215/70R15
215/65R15
225/60R15
235/60R15
P215/75R15
225/70R15
235/65R15
245/60R15
265/50R15
215R15
P225/75R15
235/70R15
255/60R15
275/50R15
225R15
P225/75R15
235/70R15
265/60R15
235R15
P235/75R15
255/70R15
275/60R15
185/70R15
195/70R15
225/50R15
8.25-15
8.45-15
7.60-15
8.00-15
8.20-15
8.55-15
8.85-15
9.00-15
9.15-15
Listing in chart does not imply complete interchangeability.
When changing tire sizes, dimensional clearances must be checked.
295/50R15