Ejelta.com: Tire Size Calculator

This tire size calculator lets you check what you can replace your tires or wheels with without changing overall tire diameter or with some acceptable diameter change. The data presented here is in no way "official", please use common sense and check with manufacturer recommendations and other references.

Best Matches for 165/70-13 in 13".

Code	Width	Ratio	Wheel	Diameter	Wall,"	Wall,mm	Diam.Diff.	= 50mph	1000miles =
165/70-13	165	70	13	22.09	4.55	115.50	0.00%	50.00	1,000.00
155/75-13	155	75	13	22.15	4.58	116.25	+0.27%	50.13	997.33
255/45-13	255	45	13	22.04	4.52	114.75	-0.27%	49.87	1,002.67
285/40-13	285	40	13	21.98	4.49	114.00	-0.53%	49.73	1,005.35
195/60-13	195	60	13	22.21	4.61	117.00	+0.53%	50.27	994.65
325/35-13	325	35	13	21.96	4.48	113.75	-0.62%	49.69	1,006.24
175/65-13	175	65	13	21.96	4.48	113.75	-0.62%	49.69	1,006.24
235/50-13	235	50	13	22.25	4.63	117.50	+0.71%	50.36	992.87
295/40-13	295	40	13	22.29	4.65	118.00	+0.89%	50.45	991.09
205/55-13	205	55	13	21.88	4.44	112.75	-0.98%	49.51	1,009.80
215/55-13	215	55	13	22.31	4.66	118.25	+0.98%	50.49	990.20
225/50-13	225	50	13	21.86	4.43	112.50	-1.07%	49.47	1,010.69
265/45-13	265	45	13	22.39	4.69	119.25	+1.34%	50.67	986.64
185/60-13	185	60	13	21.74	4.37	111.00	-1.60%	49.20	1,016.04
185/65-13	185	65	13	22.47	4.73	120.25	+1.69%	50.85	983.07
315/35-13	315	35	13	21.68	4.34	110.25	-1.87%	49.06	1,018.71
245/45-13	245	45	13	21.68	4.34	110.25	-1.87%	49.06	1,018.71
275/40-13	275	40	13	21.66	4.33	110.00	-1.96%	49.02	1,019.60
305/40-13	305	40	13	22.61	4.80	122.00	+2.32%	51.16	976.84
145/75-13	145	75	13	21.56	4.28	108.75	-2.41%	48.80	1,024.06
155/70-13	155	70	13	21.54	4.27	108.50	-2.49%	48.75	1,024.95
245/50-13	245	50	13	22.65	4.82	122.50	+2.49%	51.25	975.05
175/70-13	175	70	13	22.65	4.82	122.50	+2.49%	51.25	975.05
205/60-13	205	60	13	22.69	4.84	123.00	+2.67%	51.34	973.27
215/50-13	215	50	13	21.46	4.23	107.50	-2.85%	48.57	1,028.51
275/45-13	275	45	13	22.74	4.87	123.75	+2.94%	51.47	970.60
195/55-13	195	55	13	21.44	4.22	107.25	-2.94%	48.53	1,029.40
225/55-13	225	55	13	22.74	4.87	123.75	+2.94%	51.47	970.60
165/65-13	165	65	13	21.44	4.22	107.25	-2.94%	48.53	1,029.40
165/75-13	165	75	13	22.74	4.87	123.75	+2.94%	51.47	970.60

"= 50mph" - true speed when speedometer shows 50mph
"1000miles =" - odometer reading for actual 1000 miles

Click on [Show] to open charts and add wheel sizes to the matches table.

Ratio: 30 35 40 45 50 55 60 65 70 75 80 85

Wheel Size 12" [Show] [Hide]

Wheel Size 13"

145 145/30-13
d=16.43
w=1.71
-25.66% 145/35-13
d=17.00
w=2.00
-23.08% 145/40-13
d=17.57
w=2.28
-20.49% 145/45-13
d=18.14
w=2.57
-17.91% 145/50-13
d=18.71
w=2.85
-15.32% 145/55-13
d=19.28
w=3.14
-12.74% 145/60-13
d=19.85
w=3.43
-10.16% 145/65-13
d=20.42
w=3.71
-7.57% 145/70-13
d=20.99
w=4.00
-4.99% 145/75-13
d=21.56
w=4.28
-2.41%

155 155/30-13
d=16.66
w=1.83
-24.59% 155/35-13
d=17.27
w=2.14
-21.83% 155/40-13
d=17.88
w=2.44
-19.07% 155/45-13
d=18.49
w=2.75
-16.30% 155/50-13
d=19.10
w=3.05
-13.54% 155/55-13
d=19.71
w=3.36
-10.78% 155/60-13
d=20.32
w=3.66
-8.02% 155/65-13
d=20.93
w=3.97
-5.26% 155/70-13
d=21.54
w=4.27
-2.49% 155/75-13
d=22.15
w=4.58
+0.27%

165 165/30-13
d=16.90
w=1.95
-23.52% 165/35-13
d=17.55
w=2.27
-20.58% 165/40-13
d=18.20
w=2.60
-17.64% 165/45-13
d=18.85
w=2.92
-14.70% 165/50-13
d=19.50
w=3.25
-11.76% 165/55-13
d=20.15
w=3.57
-8.82% 165/60-13
d=20.80
w=3.90
-5.88% 165/65-13
d=21.44
w=4.22
-2.94% 165/70-13
d=22.09
w=4.55
0.00% 165/75-13
d=22.74
w=4.87
+2.94%

175 175/30-13
d=17.13
w=2.07
-22.45% 175/35-13
d=17.82
w=2.41
-19.33% 175/40-13
d=18.51
w=2.76
-16.22% 175/45-13
d=19.20
w=3.10
-13.10% 175/50-13
d=19.89
w=3.44
-9.98% 175/55-13
d=20.58
w=3.79
-6.86% 175/60-13
d=21.27
w=4.13
-3.74% 175/65-13
d=21.96
w=4.48
-0.62% 175/70-13
d=22.65
w=4.82
+2.49% 175/75-13
d=23.33
w=5.17
+5.61%

185 185/30-13
d=17.37
w=2.19
-21.38% 185/35-13
d=18.10
w=2.55
-18.09% 185/40-13
d=18.83
w=2.91
-14.79% 185/45-13
d=19.56
w=3.28
-11.49% 185/50-13
d=20.28
w=3.64
-8.20% 185/55-13
d=21.01
w=4.01
-4.90% 185/60-13
d=21.74
w=4.37
-1.60% 185/65-13
d=22.47
w=4.73
+1.69% 185/70-13
d=23.20
w=5.10
+4.99% 185/75-13
d=23.93
w=5.46
+8.29%

195 195/30-13
d=17.61
w=2.30
-20.31% 195/35-13
d=18.37
w=2.69
-16.84% 195/40-13
d=19.14
w=3.07
-13.36% 195/45-13
d=19.91
w=3.45
-9.89% 195/50-13
d=20.68
w=3.84
-6.41% 195/55-13
d=21.44
w=4.22
-2.94% 195/60-13
d=22.21
w=4.61
+0.53% 195/65-13
d=22.98
w=4.99
+4.01% 195/70-13
d=23.75
w=5.37
+7.48% 195/75-13
d=24.52
w=5.76
+10.96%

205 205/30-13
d=17.84
w=2.42
-19.24% 205/35-13
d=18.65
w=2.82
-15.59% 205/40-13
d=19.46
w=3.23
-11.94% 205/45-13
d=20.26
w=3.63
-8.29% 205/50-13
d=21.07
w=4.04
-4.63% 205/55-13
d=21.88
w=4.44
-0.98% 205/60-13
d=22.69
w=4.84
+2.67% 205/65-13
d=23.49
w=5.25
+6.33% 205/70-13
d=24.30
w=5.65
+9.98% 205/75-13
d=25.11
w=6.05
+13.63%

215 215/30-13
d=18.08
w=2.54
-18.18% 215/35-13
d=18.93
w=2.96
-14.34% 215/40-13
d=19.77
w=3.39
-10.51% 215/45-13
d=20.62
w=3.81
-6.68% 215/50-13
d=21.46
w=4.23
-2.85% 215/55-13
d=22.31
w=4.66
+0.98% 215/60-13
d=23.16
w=5.08
+4.81% 215/65-13
d=24.00
w=5.50
+8.64% 215/70-13
d=24.85
w=5.93
+12.47% 215/75-13
d=25.70
w=6.35
+16.30%

225 225/30-13
d=18.31
w=2.66
-17.11% 225/35-13
d=19.20
w=3.10
-13.10% 225/40-13
d=20.09
w=3.54
-9.09% 225/45-13
d=20.97
w=3.99
-5.08% 225/50-13
d=21.86
w=4.43
-1.07% 225/55-13
d=22.74
w=4.87
+2.94% 225/60-13
d=23.63
w=5.31
+6.95% 225/65-13
d=24.52
w=5.76
+10.96% 225/70-13
d=25.40
w=6.20
+14.97% 225/75-13
d=26.29
w=6.64
+18.98%

235 235/30-13
d=18.55
w=2.78
-16.04% 235/35-13
d=19.48
w=3.24
-11.85% 235/40-13
d=20.40
w=3.70
-7.66% 235/45-13
d=21.33
w=4.16
-3.47% 235/50-13
d=22.25
w=4.63
+0.71% 235/55-13
d=23.18
w=5.09
+4.90% 235/60-13
d=24.10
w=5.55
+9.09% 235/65-13
d=25.03
w=6.01
+13.28% 235/70-13
d=25.95
w=6.48
+17.46% 235/75-13
d=26.88
w=6.94
+21.65%

245 245/30-13
d=18.79
w=2.89
-14.97% 245/35-13
d=19.75
w=3.38
-10.60% 245/40-13
d=20.72
w=3.86
-6.24% 245/45-13
d=21.68
w=4.34
-1.87% 245/50-13
d=22.65
w=4.82
+2.49% 245/55-13
d=23.61
w=5.31
+6.86% 245/60-13
d=24.57
w=5.79
+11.23% 245/65-13
d=25.54
w=6.27
+15.59% 245/70-13
d=26.50
w=6.75
+19.96% 245/75-13
d=27.47
w=7.23
+24.32%

255 255/30-13
d=19.02
w=3.01
-13.90% 255/35-13
d=20.03
w=3.51
-9.35% 255/40-13
d=21.03
w=4.02
-4.81% 255/45-13
d=22.04
w=4.52
-0.27% 255/50-13
d=23.04
w=5.02
+4.28% 255/55-13
d=24.04
w=5.52
+8.82% 255/60-13
d=25.05
w=6.02
+13.36% 255/65-13
d=26.05
w=6.53
+17.91% 255/70-13
d=27.06
w=7.03
+22.45% 255/75-13
d=28.06
w=7.53
+27.00%

265 265/30-13
d=19.26
w=3.13
-12.83% 265/35-13
d=20.30
w=3.65
-8.11% 265/40-13
d=21.35
w=4.17
-3.39% 265/45-13
d=22.39
w=4.69
+1.34% 265/50-13
d=23.43
w=5.22
+6.06% 265/55-13
d=24.48
w=5.74
+10.78% 265/60-13
d=25.52
w=6.26
+15.50% 265/65-13
d=26.56
w=6.78
+20.22% 265/70-13
d=27.61
w=7.30
+24.95% 265/75-13
d=28.65
w=7.82
+29.67%

275 275/30-13
d=19.50
w=3.25
-11.76% 275/35-13
d=20.58
w=3.79
-6.86% 275/40-13
d=21.66
w=4.33
-1.96% 275/45-13
d=22.74
w=4.87
+2.94% 275/50-13
d=23.83
w=5.41
+7.84% 275/55-13
d=24.91
w=5.95
+12.74% 275/60-13
d=25.99
w=6.50
+17.64% 275/65-13
d=27.07
w=7.04
+22.54% 275/70-13
d=28.16
w=7.58
+27.44% 275/75-13
d=29.24
w=8.12
+32.34%

285 285/30-13
d=19.73
w=3.37
-10.69% 285/35-13
d=20.85
w=3.93
-5.61% 285/40-13
d=21.98
w=4.49
-0.53% 285/45-13
d=23.10
w=5.05
+4.54% 285/50-13
d=24.22
w=5.61
+9.62% 285/55-13
d=25.34
w=6.17
+14.70% 285/60-13
d=26.46
w=6.73
+19.78% 285/65-13
d=27.59
w=7.29
+24.86% 285/70-13
d=28.71
w=7.85
+29.94% 285/75-13
d=29.83
w=8.42
+35.01%

295 295/30-13
d=19.97
w=3.48
-9.62% 295/35-13
d=21.13
w=4.06
-4.37% 295/40-13
d=22.29
w=4.65
+0.89% 295/45-13
d=23.45
w=5.23
+6.15% 295/50-13
d=24.61
w=5.81
+11.40% 295/55-13
d=25.78
w=6.39
+16.66% 295/60-13
d=26.94
w=6.97
+21.92% 295/65-13
d=28.10
w=7.55
+27.17% 295/70-13
d=29.26
w=8.13
+32.43% 295/75-13
d=30.42
w=8.71
+37.69%

305 305/30-13
d=20.20
w=3.60
-8.55% 305/35-13
d=21.41
w=4.20
-3.12% 305/40-13
d=22.61
w=4.80
+2.32% 305/45-13
d=23.81
w=5.40
+7.75% 305/50-13
d=25.01
w=6.00
+13.19% 305/55-13
d=26.21
w=6.60
+18.62% 305/60-13
d=27.41
w=7.20
+24.06% 305/65-13
d=28.61
w=7.81
+29.49% 305/70-13
d=29.81
w=8.41
+34.93% 305/75-13
d=31.01
w=9.01
+40.36%

315 315/30-13
d=20.44
w=3.72
-7.48% 315/35-13
d=21.68
w=4.34
-1.87% 315/40-13
d=22.92
w=4.96
+3.74% 315/45-13
d=24.16
w=5.58
+9.35% 315/50-13
d=25.40
w=6.20
+14.97% 315/55-13
d=26.64
w=6.82
+20.58% 315/60-13
d=27.88
w=7.44
+26.19% 315/65-13
d=29.12
w=8.06
+31.81% 315/70-13
d=30.36
w=8.68
+37.42% 315/75-13
d=31.60
w=9.30
+43.03%

325 325/30-13
d=20.68
w=3.84
-6.41% 325/35-13
d=21.96
w=4.48
-0.62% 325/40-13
d=23.24
w=5.12
+5.17% 325/45-13
d=24.52
w=5.76
+10.96% 325/50-13
d=25.80
w=6.40
+16.75% 325/55-13
d=27.07
w=7.04
+22.54% 325/60-13
d=28.35
w=7.68
+28.33% 325/65-13
d=29.63
w=8.32
+34.12% 325/70-13
d=30.91
w=8.96
+39.91% 325/75-13
d=32.19
w=9.60
+45.71%

Wheel Size 14" [Show] [Hide]

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Wheel Size 17" [Show] [Hide]

Wheel Size 18" [Show] [Hide]

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Wheel Size 21" [Show] [Hide]

Thanx:
   Mark Sink's tire calculator -- for the idea and reference numbers
   Tirerack.com -- for quick and reliable service
   Mike.S -- for inspiration :)
   XAO::Web -- for bells and whistles that allowed to create this page in about an hour

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