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Tyre size conversion Chart



How to use the table - Select the original equipment tyre size. Suitable tyre conversionsizes can be found along the same row or by using the allowed diameter range indicated in the last 2 columns of the row.

Example -
The following tyres have the same Overall Diameter of 640mm:

195/70R14            225/55R15            225/50R16            225/45R17

The following are some of the tyres within the range of allowed Oveall Diameters of 625 - 650mm:

185/70R14            185/65R15            215/55R16            215/45R17            225/40R18
                            195/65R15            215/50R16            235/45R17            235/35R18
                            195/60R15                                        245/40R17            225/35R19
                            215/60R15
|                                          |            |                |            |                                          |       

    Not likely to be used                        Original                            Possibilities


 0 Series

70 Series

65 Series

60 Series

55 Series

50 Series

45 Series

40 Series

35 Series

30 Series

25 Series

OD mm

down to -2%

upto +1.5%

 

 

165/65R13

175/60R13

195/55R13

 

 

 

 

 

 

550

540

560

135/80R13

155/70R13

 

 

 

 

 

 

 

 

 

555

545

560

 

 

 

165/60R14

 

 

 

 

 

 

 

560

550

565

 

 

155/65R14

 

 

 

195/45R15

 

 

 

 

565

555

575

145/80R13

165/70R13

175/65R13

 

185/55R14

 

 

 

 

 

 

570

560

580

 

 

145/65R15

175/60R14

 

 

 

 

 

 

 

575

565

585

 

 

165/65R14

 

175/55R15

 

 

 

 

 

 

580

570

590

 

175/70R13

 

185/60R14

 

195/50R15

 

215/40R16

 

 

 

585

575

595

155/80R13

 

155/65R15

 

 

 

195/45R16

225/40R16

 

 

 

590

580

600

 

 

175/65R14

 

185/55R15

205/50R15

 

 

225/35R17

 

 

595

585

605

 

185/70R13

 

195/60R14

 

185/50R16

205/45R16

205/40R17

 

 

 

600

590

610

 

165/70R14

 

175/60R15

 

 

 

 

 

 

 

165/80R13

155/70R15

185/65R14

 

195/55R15

 

215/45R16

 

 

 

 

605

595

615

 

 

165/65R15

 

 

 

 

 

 

 

 

 

175/70R14

 

185/60R15

 

195/50R16

 

215/40R17

 

 

 

610

600

620

 

 

 

 

205/55R15

225/50R15

225/45R16

 

 

 

 

615

605

625

 

 

195/65R14

 

 

205/50R16

 

 

225/35R18

 

 

620

610

630

 

 

175/65R15

 

 

 

 

 

 

 

 

 

185/70R14

 

195/60R15

 

 

205/45R17

205/40R18

265/35R17

 

 

625

615

635

 

 

185/65R15

 

195/55R16

215/50R16

 

235/40R17

235/35R18

 

 

630

615

640

 

175/70R15

 

205/60R15

 

 

245/45R16

245/40R17

245/35R18

285/30R18

 

635

620

645

 

 

 

 

 

 

215/45R17

 

 

 

 

 

195/70R14

 

 

225/55R15

225/50R16

225/45R17

 

 

 

 

640

625

650

 

 

 

 

205/55R16

 

 

 

 

 

 

 

 

195/65R15

 

 

205/50R17

 

255/40R17

255/35R18

295/30R18

 

645

630

655

 

 

 

 

 

 

 

225/40R18

225/35R19

255/30R19

 

175/80R14

 

 

215/60R15

215/55R16

235/50R16

235/45R17

265/40R17

265/35R18

265/30R19

315/25R19

650

635

660

 

 

 

195/60R16

 

 

 

 

 

 

 

 

205/70R14

205/65R15

 

 

215/50R17

 

235/40R18

275/35R18

235/30R20

285/25R20

655

640

665

 

 

 

 

 

 

 

 

235/35R19

275/30R19

 

 

 

 

 

 

 

 

 

 

315/30R18

 

 

 

 

225/60R15

 

245/50R16

245/45R17

275/40R17

315/35R17

245/30R20

295/25R20

660

645

670

 

 

 

205/60R16

 

 

215/45R18

245/40R18

245/35R19

285/30R19

 

185/80R14

195/70R15

 

 

225/55R16

 

225/45R18

 

285/35R18

335/30R18

305/25R20

665

650

675

 

 

 

 

205/55R17

225/50R16

225/45R17

285/40R17

295/35R18

295/30R19

315/25R20

670

655

680

 

 

 

 

 

225/50R17

 

255/40R18

255/35R19

255/30R20

 

 

 

 

 

 

 

 

225/40R19

 

 

 

 

 

215/65R15

215/60R16

 

 

235/45R18

265/40R18

265/35R19

265/30R20

325/25R20

675

660

685

 

 

 

 

 

 

 

 

335/35R17

305/30R19

 

 

 

 

 

 

 

 

 

 

345/30R18

 

 

 

 

 

215/55R17

235/50R17

 

 

 

 

335/25R20

680

665

690

185/80R15

 

225/65R15

225/60R16

245/55R16

 

245/45R18

245/40R19

275/35R19

285/30R20

295/25R21

685

670

695

 

 

 

 

 

 

 

275/40R18

245/35R20

325/30R19

 

 

 

 

 

225/55R17

 

 

 

285/35R19

 

 

690

675

700

 

 

 

 

 

 

255/45R18

285/40R18

255/35R20

255/30R21

 

695

680

705

 

 

 

 

 

 

 

255/40R19

 

 

 

 

 

215/65R16

235/60R16

235/55R17

 

 

 

295/35R19

345/30R19

 

700

685

710

 

 

 

 

 

235/50R18

 

 

 

 

275/25R22

705

690

715

 

 

 

225/60R17

245/55R17

 

245/45R19

245/40R20

345/35R18

285/30R21

 

710

695

720

 

 

 

 

 

 

 

275/40R19

275/35R20

 

 

 

 

 

 

 

 

 

 

245/35R21

 

 

 

 

 

 

 

245/50R18

275/45R18

 

 

 

295/25R22

715

700

725

 

 

 

 

 

 

 

 

 

255/30R22

 

720

705

730

 

 

 

 

 

 

 

 

 

335/30R20

 

 

 

 

 

255/55R17

 

 

 

 

 

 

725

710

735

 

 

 

 

 

 

 

 

305/35R20

 

 

730

715

740

 

 

 

 

 

 

275/45R20

 

 

 

 

765

750

775

 

 

 

 

 

275/50R19

 

 

 

 

 

770

755

785
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  • Choose Your Tyres

    choose your tyre size or enter your car registration number above

  • Call us or book online

    for todays best price, save ££'s!!

  • We come and fit

    we come to you at a time that suits you!

  • You Pay

    You only pay once they are fitted to your car!