Buy 165/70 R12 Tyres

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165/70R12 T (77)
  • D
    Fuel Efficiency
    Fuel Efficiency / Rolling Resistance: D

    How much fuel the tyre uses as it rolls. Graded A to E, where A is the most efficient and E the least.

  • B
    Wet Grip
    Wet Grip / Braking Performance: B

    How well the tyre stops in the wet. Graded A to E, where A is the shortest stopping distance. Each grade is worth roughly 3 metres, about a car length.

  • B70 dB
    External Noise
    Noise Emission / Exterior Noise: B (70 dB)

    How loud the tyre is from outside the car, measured in decibels. Graded A to C, where A is the quietest.

Great Value
  • Tick Icon Car
    Car tyre:

    Designed for cars, rather than vans, 4x4s or commercial vehicles.

Fit from:03-09-2026
Fully Fitted Price
£6916
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165/70 R12 Measurements

165/70 R12 tyres are typically fitted to early, small light cars with 12-inch wheels. The dimensions go as follows. 165 is the width in mm. Moving onto the second digit 70, this is the aspect ratio. This means that the height of the sidewall is 70% of the width which means that the height is 116mm. The R12 means it is a radial tyre, which sits on a 12-inch wheel, giving a diameter of 536mm. We have 165/70 R12 available on Tyres.co.uk with C markings.

Part of the sizeValueWhat it means
Section width 165 The width of the tyre across the tread, measured in millimetres.
Profile (aspect ratio) 70 Sidewall height as a percentage of the width - here, 70% of 165 mm (about 116 mm).
Construction R Radial construction, which is what nearly all road tyres use.
Rim diameter 12 The wheel diameter the tyre fits, measured in inches.
Your tyre dimensions
MeasurementValue
Sidewall height 115.5 mm (4.55 in)
Overall diameter 536 mm (21.1 in)
Circumference 1,683 mm (66.3 in)
Revolutions 956 per mile · 594 per km
Equivalent sizes
SizeOverall diameter
145/80 R12 537 mm · +0.2%
145/70 R13 533 mm · -0.5%
155/65 R13 532 mm · -0.8%
175/60 R13 540 mm · +0.8%
165/60 R13 528 mm · -1.4%
165/65 R13 545 mm · +1.7%