Tires Size 245/30R21
Dimensions, specs, and every size 245/30R21 tire currently in stock
26.78"
680 mm · calculated
245 mm
9.65 inches
2.89"
73.5 mm · 30% profile
21"
533.4 mm
Showing 1 to 2 of 2 products
245/30R21 Specifications
Read directly from the size code. Load index, speed rating, and rim width range vary by model.
| Specification | Imperial | Metric |
|---|---|---|
| Section width | 9.65 in | 245 mm |
| Aspect ratio | 30% | — |
| Sidewall height | 2.89 in | 73.5 mm |
| Overall diameter (calculated) | 26.78 in | 680 mm |
| Wheel / rim diameter | 21 in | 533.4 mm |
| Construction | Radial | — |
What does 245/30R21 mean?
Reading the code on your sidewall
245 mm
The distance from sidewall to sidewall across the tire's widest point.
30% profile
The sidewall stands 30% of the section width, which is 73.5 mm on this size.
Radial
The body plies run across the tire at right angles to the direction of travel.
21 in
Fits a wheel measuring 21 inches across.
245/30R21 Questions & Answers
Dimensions and fitment guidelines for size 245/30R21
Need Help Choosing The Right Tires?
Have questions about fitment, brands, or pricing? Our team of tire experts is here to guide you to the perfect set — zero pressure, zero sales tactics.
Talk to a Tire Specialist Today
We make tire buying fast and effortless. Call or email us (Mon – Sat, 9AM – 5PM PT) to check size compatibility, load index, or speed ratings for your vehicle.
Expert Advice
Reply within 1 business day
Shop Our Collection
Explore premium tires, wheels, and fitments from top brands
Suretrac Power Touring 1.5-INCH 235/75R15
Laufenn Fit A/S LH01 Made BY Hankook 255/45ZR20
Roadtrack Terrena UHP 225/55ZR19
Itp .00-9/6 Mud Lite AT 22X11.00-9
Itp .00-9/6 Mud Lite AT 22X11.00-9
Gladiator Armor 4S All-weather EV Performance 235/65R18
Sumitomo Touring Lst 215/60R16
Nokian WR SUV3 Studless Winter 235/55R20
Suretrac Power Touring 1.5-INCH 235/75R15
Laufenn Fit A/S LH01 Made BY Hankook 255/45ZR20
Roadtrack Terrena UHP 225/55ZR19
Itp .00-9/6 Mud Lite AT 22X11.00-9
Itp .00-9/6 Mud Lite AT 22X11.00-9
Gladiator Armor 4S All-weather EV Performance 235/65R18
Sumitomo Touring Lst 215/60R16
Nokian WR SUV3 Studless Winter 235/55R20