tiresizelab.com

205/70R14

205/70R14 is uncommon as OEM fitment but appears as an aftermarket upsize option. At 25.30″ diameter with a 5.65″ sidewall (70% of section width), this size turns 797 revolutions per mile.

Overall diameter
25.30″
642.6 mm
Section width
8.07″
205 mm
Sidewall
5.65″
143.5 mm
Circumference
79.48″
Revs / mile
797
Rim
14″

About 205/70R14

205/70R14 is less common as a factory fitment but is available as an aftermarket size, so SKU selection is narrower than mainstream OEM sizes. At 25.30″ overall diameter, 205/70R14 turns 797 revolutions per mile, which is the reference point the factory speedometer and odometer were calibrated against. The 70% aspect ratio gives it a tall, compliant sidewall that absorbs bumps well and protects rims off-road. The 14″ rim pairing is typical for compact-car and economy-vehicle platforms, so compatible wheels are easy to source new or used. Going one step shorter to 215/65R14 drops diameter by 1.17%, which stays within the ±3% fitment safe zone for most vehicles. Stepping up to 215/70R14 adds 2.18% diameter — also inside the safe window, with marginally taller ride height. If you are shopping for a direct replacement, any tire within roughly ±0.7″ of the 25.30″ stock diameter (about ±2% in percentage terms) will keep ABS, TPMS, and odometer readings inside the vehicle's designed tolerance.

Compare with another size

Type to search · try 275/65R18 or "33" for inch aliases
Common upsizes from 205/70R14:
Don't know your stock size? Load it by vehicle:

205/70R14

Diameter
25.3″ / 642.6mm
Section Width
8.07
Sidewall
5.65″ / 143.5mm
Circumference
79.48
Revs/Mile
797
See tires in 205/70R14

185/70R14

Diameter
24.2″ / 614.6mm
Section Width
7.28
Sidewall
5.1″ / 129.5mm
Circumference
76.02
Revs/Mile
834
See tires in 185/70R14
205/70R14 · 25.3185/70R14 · 24.2

Speedometer & Diameter Impact

Diameter Change
-4.36%
Sidewall Change
-0.55″
Revs/Mile Δ
37
mph

At an indicated 60 mph, your actual speed is 57.39 mph (92.35 km/h). Your speedometer reads 4.36% high versus actual speed.

Similar sizes on the same rim