205/60R16 vs 195/70R15 tire size comparison

Change either size and everything below updates.

Start from your car make, model, year
Current tire size
/R
xR
New tire size
/R
xR

Width in mm · aspect = sidewall height as a % of width · rim in inches

Flotation (LT) sizes, all in inches: overall diameter × section width, then rim

205/60R16: 25.69″ (652 mm) tall, 8.07″ (205 mm) wide, sidewall 4.84″ (123 mm) — 785 revolutions per mile.

Well within tolerance

+0.25% diameter

The overall diameter changes by less than 1.5%, so speedometer error is negligible and ride height barely moves.

  • Needs 15″ wheels: this tire does not fit your 16″ rims.
  • 10 mm narrower: check the tire is approved for your rim width.

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Measurement205/60R16195/70R15Diff%
Overall diameter25.69″652 mm25.75″654 mm+0.06″+0.2%
Section width205.0 mm195.0 mm−10.0 mm−4.9%
Sidewall height123.0 mm136.5 mm+13.5 mm+11.0%
Rim diameter16″15″−1″−6.3%
Circumference80.69″2050 mm80.89″2055 mm+0.20″+0.2%
Revolutions per mileturns per distance; drives the odometer785488 /km783487 /km−2−0.2%
Ride height change——+0.03″ +0.8 mm

Speedometer reading

Speedo shows
60mph
97 km/h
Actual speed
60.1mph
97 km/h

Overlay

205/60R16195/70R15

Plus sizing: 205/60R16 on smaller or bigger wheels

Sizes fitted to cars that keep the overall diameter within 3% of 205/60R16 on a rim one inch smaller or up to two inches bigger, closest first.

RimSizeDiameterChangeCompare
R15 (−1) 195/70R15 25.75″ +0.2% Compare
225/60R15 25.63″ −0.2% Compare
R17 (+1) 205/55R17 25.88″ +0.8% Compare
215/50R17 25.46″ −0.9% Compare
R18 (+2) 195/50R18 25.68″ 0.0% Compare
215/45R18 25.62″ −0.3% Compare

How to use the tire size calculator

Put your current tire size — width, aspect ratio and rim diameter — into the first form, then your desired size into the second. You’ll get the difference between the new and the old size, plus the speedometer reading difference and your actual speed on the new set. Both metric and flotation (LT inch) sizes are supported.

The calculator helps you decide whether a set of tires and wheels will fit your car. To compare tires by brand and model instead, use our tire comparison tool; to look up factory sizes, browse by car make.

Changing wheels too? The wheel offset calculator shows how far a new wheel width and offset move the tire toward the suspension and the fender.

Reading a tire size

225/45R17
225
Section width in millimetres
45
Aspect ratio — sidewall height as a % of width
R
Radial construction
17
Rim diameter in inches

Full guide to the tire sidewall →

Sizes often compared with 205/60R16