🛻 Pickup Truck Tire
Size Calculator

Professional pickup truck tire size calculator. Calculate LT (Light Truck) tire dimensions, lifted truck tire sizing (33", 35", 37"), understand load range ratings (C/D/E), lift kit requirements, towing capacity, and find the perfect tire size for F-150, Silverado, RAM, and more.

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LT265/70R17
84% Market Share
⚖️
Load Range E
Max Towing
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LT Rating
Heavy Duty

Enter Tire Size

💡 Tip: Tire size format is Width/AspectRatio R WheelDiameter
Example: 235/45R18

Enter tire size to see visualization

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LT Tire Market Dominance

LT265/70R17 commands 84% of the U.S. light truck tire market. LT tires use Load Range (C/D/E) instead of Load Index. Always choose LT over P-metric for towing over 5,000 lbs.

🛻 Pickup Truck Tire Essentials

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LT vs P-Metric Tires

LT (Light Truck) tires have stiffer sidewalls, higher load capacity, and are designed for towing/payload. P-metric tires provide softer ride but lower towing capacity. LT265/70R17 can typically tow 2,000+ lbs more than P265/70R17. If you tow regularly or carry heavy loads, ALWAYS choose LT tires.

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Load Range C/D/E Explained

Load Range determines ply rating and max pressure: C = 6-ply, 50 PSI max (1,760 lbs per tire). D = 8-ply, 65 PSI max (2,205 lbs per tire). E = 10-ply, 80 PSI max (2,833 lbs per tire). Higher load range supports more weight but gives harsher empty ride. Half-ton trucks typically use C or D, HD trucks use E.

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LT265/70R17 - The King

LT265/70R17 is THE most popular truck tire size in America, commanding 84% market share for light trucks. This size fits F-150, Silverado 1500, RAM 1500, Tundra, and most half-ton pickups. It's the Goldilocks size: 31.6" diameter, good towing capacity (Load Range E: 3,000 lbs per axle), reasonable price ($200-300 each).

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Towing Pressure Adjustment

Adjust tire pressure based on load: Empty truck: 35-40 PSI (softer ride, better fuel economy). Light towing (under 5,000 lbs): 45-50 PSI. Heavy towing or max payload: Increase to tire's max pressure (60-80 PSI for Load E). NEVER exceed sidewall max pressure. Always inflate cold before loading.

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33" vs 35" vs 37" Sizing

Lifted truck owners often refer to tire 'height': 33" tires ≈ 285/75R16 or 275/70R18 (requires 2.5-3" lift). 35" tires ≈ 315/70R17 or 305/70R18 (requires 3.5-4" lift). 37" tires ≈ 37x12.50R17 or 35x12.50R20 (requires 6"+ lift). Larger tires reduce acceleration, MPG, and stress drivetrain.

Tire Upgrade Paths

Heavy-Duty Upgrade (Load Range E)

Switch from Load Range C/D to E for serious towing capacity

Example Upgrade
BFGoodrich All-Terrain T/A KO2 LT
From: P265/70R17 (Load Range: Standard)
To: LT265/70R17 (Load Range E)
Benefits:
  • ✓+1,000-1,500 lbs towing capacity
  • ✓10-ply construction for durability
  • ✓Better stability with heavy loads
  • ✓Reduced tire squirm under weight
Trade-offs:
  • •Harsher ride when truck is empty
  • •Requires 60-80 PSI (vs 35 PSI)
  • •+10-15% higher cost
  • •Slightly lower fuel economy

Plus-Size (33" tires)

Upgrade to 33" tires for aggressive looks and off-road capability

Example Upgrade
Goodyear Wrangler DuraTrac RT
From: LT265/70R17 (31.6" diameter)
To: LT285/75R16 or LT275/70R18 (33" diameter)
Benefits:
  • ✓Better ground clearance (+0.7")
  • ✓Improved off-road traction
  • ✓More aggressive appearance
  • ✓Wider footprint for sand/mud
Trade-offs:
  • •May require 2.5-3" lift kit ($800-2,000)
  • •-2 MPG fuel economy penalty
  • •Slower acceleration (gear ratio change)
  • •Possible speedometer recalibration needed

All-Terrain to Mud-Terrain

Switch to aggressive mud-terrain tires for serious off-roading

Example Upgrade
Nitto Trail Grappler M/T
From: LT265/70R17 (All-Terrain)
To: LT265/70R17 (Mud-Terrain)
Benefits:
  • ✓Maximum off-road traction
  • ✓Self-cleaning large tread blocks
  • ✓Aggressive sidewall lugs
  • ✓Excellent rock crawling grip
Trade-offs:
  • •LOUD road noise (70+ dB)
  • •-3 to -4 MPG on highway
  • •Faster tread wear (30k vs 50k miles)
  • •Poor wet road traction
  • •Expensive ($300-400 each)
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Lifted Pickup Truck Tire Guide

Complete guide to tire sizing for lifted trucks. From 2" leveling kits to 6"+ suspensions, find the perfect tire size for your build without rubbing or clearance issues.

Lift Height → Tire Size Chart

Lift HeightMax Tire SizeCommon SizesNotes
Stock / 0"
Factory suspension
31"-32"
(~265mm-285mm)
P265/70R17
LT275/65R18
No modifications needed. OEM fitment.
1.5"-2" Leveling
Front level kit
33"
(~285mm-295mm)
LT285/70R17
LT275/70R18
33x10.50R17
Minor trimming may be needed. Popular daily driver mod.
2.5"-3.5" Lift
Suspension lift
35"
(~305mm-315mm)
LT315/70R17
LT305/70R18
35x12.50R17
Fender trimming required. Re-gear recommended (4.56-4.88).
4"-6" Lift
Full suspension kit
37"
(~325mm-340mm)
37x12.50R17
37x13.50R20
LT325/65R18
Extensive mods required. Re-gear REQUIRED (4.88-5.13).
6"+ Extreme
Long-arm kit
40"+
(~350mm+)
40x15.50R24
42x14.50R20
Custom sizes
Show truck territory. Axle upgrades, steering mods essential.
33"
Most Popular Lifted Size

Recommended Sizes:

LT285/70R17 (33.7")
LT275/70R18 (33.2")
33x10.50R17 (33.0")
33x12.50R17 (33.0")
✓ Lift Required:
1.5"-2.5" leveling or small lift
✓ Best For:
Daily drivers, weekend trails, mild off-road
⚠ Modifications:
  • • Minor fender liner trimming
  • • Wheel spacers optional (1.5")
  • • Re-gearing optional (helps)
  • • -1 to -2 MPG fuel economy
💰 Total Cost: $2,500-$4,000
(Tires: $1,200-1,600 + Lift: $800-1,500 + Install/Align: $500-900)
35"
Serious Off-Road Sweet Spot

Recommended Sizes:

LT315/70R17 (34.4")
LT305/70R18 (34.8")
35x12.50R17 (35.0")
35x12.50R20 (35.0")
✓ Lift Required:
2.5"-4" suspension lift (full kit)
✓ Best For:
Rock crawling, overlanding, trail rigs
⚠ Modifications:
  • • Fender trimming/flat fenders
  • • Re-gear to 4.56 or 4.88 STRONGLY recommended
  • • Wheel spacers or -12mm offset wheels
  • • -2 to -3 MPG fuel economy
  • • Possible CV axle upgrades
💰 Total Cost: $5,000-$8,500
(Tires: $1,600-2,200 + Lift: $2,000-3,500 + Gears: $1,500-2,500 + Labor: $1,000+)
37"
Extreme Build Territory

Recommended Sizes:

37x12.50R17 (37.0")
37x13.50R17 (37.0")
37x12.50R20 (37.0")
LT325/65R18 (36.6")
✓ Lift Required:
4"-6" long-arm suspension kit
✓ Best For:
Dedicated trail rigs, show builds
⚠ Modifications:
  • • Flat/high-clearance fenders REQUIRED
  • • Re-gear to 4.88 or 5.13 REQUIRED
  • • Upgraded axles (Dana 44/60)
  • • Steering modifications
  • • Brake upgrades recommended
  • • -3 to -5 MPG fuel economy
  • • NOT recommended for daily driving
💰 Total Cost: $10,000-$20,000+
(Tires: $2,000-3,000 + Lift: $3,500-6,000 + Gears: $2,500-3,500 + Axles/Mods: $3,000-8,000)
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Re-Gearing is Critical for 35"+

Larger tires = effectively taller gearing. Without re-gearing 35"+ tires:

  • • Sluggish acceleration (feels like towing in overdrive)
  • • Transmission hunting/shifting constantly
  • • Overheating transmission on hills
  • • Early transmission/engine failure
  • • MPG still terrible despite "easier" cruising
Recommended Gears:
• 33" tires: 3.73-4.10 (optional, helps)
• 35" tires: 4.56-4.88 (strongly recommended)
• 37" tires: 4.88-5.13 (absolutely required)
• 40" tires: 5.38+ (mandatory for V6/V8)
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Common Lifted Truck Mistakes

  • ✗Tires before lift: Don't buy tires first! Get lift installed, test fit, THEN buy tires.
  • ✗Leveling kit only for 35": 35" tires need full suspension lift (2.5"+), not just leveling.
  • ✗Ignoring wheel offset: Stock wheels won't clear 35"+ tires. Need -12mm to -44mm offset.
  • ✗Skipping alignment: After ANY lift, get 4-wheel alignment. Prevents uneven tire wear ($1,600 loss).
  • ✗Cheap lift kits: $400 eBay kits fail fast. Spend $1,500+ for quality (Rough Country, BDS, Fox).

Top Pickup Truck Tire Brands

BFGoodrich

All-Terrain T/A KO2
$$$
Premium All-Terrain LT
•3PMSF snow rated
•50k mile warranty
•Legendary durability
Available in 15"-20" sizes

Goodyear

Wrangler DuraTrac RT
$$$
Rugged-Terrain Hybrid
•Road + trail balance
•Quiet for aggressive tire
•Good towing
Available in 15"-22" sizes

Michelin

Defender LTX M/S
$$$$
Highway All-Season LT
•70k mile warranty
•Excellent MPG
•Quiet highway
Available in 16"-22" sizes

Nitto

Ridge Grappler
$$$
Hybrid AT/MT
•Aggressive look, mild noise
•Excellent off-road
•Good value
Available in 17"-24" sizes

Falken

Wildpeak AT3W
$$
Budget All-Terrain
•3PMSF rated
•55k warranty
•Best bang for buck
Available in 15"-22" sizes

OEM Tire Specifications

TruckYearFrontRearLoad IndexPressure
Ford
F-150 XLT (2024)
2024P265/70R17P265/70R17113T (P-metric)35 PSI (front/rear)
Chevrolet
Silverado 1500 LT Trail Boss
2024LT275/65R18LT275/65R18123/120 R (Load Range E)60 PSI max (Load E)
RAM
1500 Big Horn 4x4
2024LT275/65R18LT275/65R18123/120 R (Load Range E)55 PSI recommended
Ford
F-250 Super Duty
2024LT275/70R18LT275/70R18125/122 R (Load Range E)60 PSI front / 80 PSI rear
Toyota
Tundra TRD Pro
2024LT285/70R17LT285/70R17121/118 S (Load Range E)35 PSI (empty) / 45 PSI (loaded)
💡 Pro Tip: LT tires use Load Range (C/D/E) instead of Load Index. Load Range E provides maximum towing capacity but requires 60-80 PSI pressure. Adjust pressure based on load for optimal performance.

Frequently Asked Questions

What does LT mean in truck tire sizes?
LT stands for 'Light Truck' and indicates tires designed specifically for pickup trucks, SUVs, and vans that tow or haul heavy loads. LT tires have: 1) Stiffer sidewalls to prevent tire squirm under load, 2) Higher load capacity (typically 20-30% more than P-metric), 3) More durable construction (often 6-10 ply rating), 4) Designed for higher inflation pressures (50-80 PSI vs 35 PSI), 5) Better puncture resistance. Example: LT265/70R17 means Light Truck, 265mm wide, 70% aspect ratio, Radial, 17" wheel. If you tow over 5,000 lbs or regularly haul payload, LT tires are STRONGLY recommended over P-metric tires.
What tire size is best for towing with my F-150?
For SERIOUS towing with Ford F-150 (over 7,000 lbs), choose LT265/70R17 or LT275/65R18 in Load Range E (10-ply). These provide: 1) Load Range E capacity: approximately 3,000 lbs per axle (12,000 lbs total on four tires - critical for heavy trailers), 2) Stiffer sidewalls prevent dangerous tire flex when loaded, 3) Higher speed rating (R or S) safe for highway towing. Recommended brands: BFGoodrich KO2, Goodyear DuraTrac, Michelin Defender LTX. Inflate to 60-65 PSI when towing (check sidewall max). For LIGHT towing (under 5,000 lbs), Load Range C or D is sufficient and rides better when empty.
What's the difference between Load Range C, D, and E?
Load Range determines ply rating and load capacity: LOAD RANGE C (6-ply): Max pressure 50 PSI, capacity ~1,760 lbs per tire (7,040 lbs total). Best for: daily driving, light towing under 5,000 lbs. Softest ride. LOAD RANGE D (8-ply): Max pressure 65 PSI, capacity ~2,205 lbs per tire (8,820 lbs total). Best for: moderate towing 5,000-8,000 lbs, occasional heavy loads. Balanced ride. LOAD RANGE E (10-ply): Max pressure 80 PSI, capacity ~2,833 lbs per tire (11,332 lbs total). Best for: heavy towing over 8,000 lbs, max payload, HD trucks. Harshest ride when empty. Pro tip: If mainly daily driving, choose C or D for comfort. If frequent towing/hauling, get E and adjust pressure based on load.
Can I put 33 inch tires on my stock truck?
MAYBE - depends on truck model. 33" tires (LT285/75R16, LT275/70R18) typically require: LEVELING KIT (2" front): Fits most trucks without rubbing - $150-500 installed. SUSPENSION LIFT (2.5-3"): Safer bet, provides adequate clearance - $800-2,000 installed. Potential issues WITHOUT lift: Rubbing at full steering lock, Rubbing on wheel well liner when flexing, Failed state inspections in some areas. Trucks that FIT 33s with minimal mods: F-150 (2015+), RAM 1500 (2019+), Silverado 1500 (2014+), Tundra (2014+). ALWAYS test fit before buying tires. Also consider: Speedometer recalibration needed, -2 MPG fuel economy, Slower acceleration (effective gear ratio change). 33s look great but have real trade-offs.
How much air pressure should I run in my LT tires?
LT tire pressure varies by LOAD, not just tire size: EMPTY/DAILY DRIVING: 35-40 PSI front, 35-40 PSI rear (softer ride, better fuel economy). LIGHT LOAD (passengers, groceries): 40-45 PSI front, 40-45 PSI rear. MODERATE TOWING (5,000-8,000 lbs): 50-55 PSI front, 55-60 PSI rear. HEAVY TOWING or MAX PAYLOAD: Inflate to tire's MAX SIDEWALL PRESSURE (typically 65-80 PSI for Load E). Check when COLD (before driving). Key rules: 1) NEVER exceed sidewall max pressure, 2) Increase rear pressure more than front when towing, 3) Door jamb sticker shows MINIMUM pressure for max load - you can go higher, 4) Adjust for load - don't run 80 PSI empty (rough ride, center wear), 5) Check monthly - tires lose 1-2 PSI per month naturally.
Should I upgrade to LT tires if I have P-metric tires?
UPGRADE to LT if you: 1) Tow regularly (especially over 5,000 lbs), 2) Haul heavy payload in truck bed (tools, equipment, materials), 3) Drive off-road frequently (LT sidewalls more puncture resistant), 4) Want longer tire life (LT construction more durable), 5) Own HD truck (F-250+, 2500+, etc. - LT is standard). KEEP P-metric if you: 1) Use truck as daily driver with no towing, 2) Prioritize comfortable ride (P-metric softer), 3) Want best fuel economy, 4) Budget conscious (P-metric $50-100 cheaper per tire). Reality: Most F-150/1500 owners who don't tow are FINE with P-metric. But if you tow a camper/boat/trailer regularly, LT tires are a safety upgrade worth the investment. Your truck, payload, and wallet will thank you.
What are the best all-terrain tires for daily driving and off-road?
TOP 5 All-Terrain tires balancing on-road comfort and off-road capability: 1) BFGoodrich All-Terrain T/A KO2 ($$$$): Industry standard. 3PMSF snow rated, 50k warranty, excellent off-road, reasonably quiet. Best overall choice. 2) Goodyear Wrangler DuraTrac RT ($$$): Hybrid all-terrain/mud-terrain. Better off-road than KO2, still decent on-road. Unique tread design. 3) Falken Wildpeak AT3W ($$): Best value. 3PMSF rated, 55k warranty, great performance. Budget-friendly without sacrificing much. 4) Nitto Ridge Grappler ($$$): Aggressive looks, surprisingly quiet. Excellent compromise for daily driver that hits trails weekends. 5) Michelin LTX A/T2 ($$$$): Best on-road manners. Quiet, long life (60k+), good light off-road. Not for hardcore trails. Avoid: Cheap Chinese brands (Westlake, Thunderer) - they wear fast and have poor wet traction despite low price.
How long do pickup truck tires last?
Pickup truck tire lifespan varies WIDELY by type and usage: HIGHWAY TIRES (Michelin Defender LTX): 60,000-80,000 miles with proper maintenance. Best for daily drivers. ALL-TERRAIN TIRES (BFG KO2): 40,000-60,000 miles. Balanced choice - decent life, capability. MUD-TERRAIN TIRES (Nitto Trail Grappler): 30,000-45,000 miles. Aggressive tread wears faster, especially on pavement. CHEAP BUDGET TIRES: 25,000-35,000 miles. False economy - costs more per mile. Factors REDUCING tire life: Under-inflation (-25% life), Aggressive driving (hard acceleration, hard braking), Misalignment (can halve tire life), Neglecting rotations (rotate every 5,000-7,500 miles), Heavy towing without pressure adjustment. Pro tip: HD trucks (F-250+, 2500+) wear tires 20-30% faster than half-ton trucks due to weight. Budget accordingly.
What's the best tire for snow and winter driving?
For PICKUP TRUCKS in winter, you have 3 options: BEST: Dedicated winter tires on second set of wheels. Example: Bridgestone Blizzak DM-V2, Nokian Hakkapeliitta LT3. Performance: NIGHT AND DAY better than all-seasons in snow/ice. Cost: $1,500-2,500 for wheels+tires, but can swap yourself. GOOD: 3PMSF-rated all-terrain tires (use year-round). Examples: BFGoodrich KO2, Goodyear DuraTrac RT, Falken Wildpeak AT3W. Performance: Significantly better than standard all-seasons. 3PMSF (3-Peak Mountain Snowflake) = tested for severe snow. ADEQUATE: Standard LT all-season tires. Examples: Michelin Defender LTX M/S. Performance: Basic winter capability, OK for occasional light snow. NOT RECOMMENDED: Mud-terrain tires in winter - terrible on ice, packed snow. Reality for most truck owners: 3PMSF all-terrains are the sweet spot - handle winter well without wheel swaps. If you live in snow belt or mountain areas, dedicated winters are worth it.
Do larger tires affect my truck's performance and fuel economy?
YES - larger tires have REAL impacts: FUEL ECONOMY: Expect -1 to -2 MPG going from stock to 33" tires (-2 to -3 MPG for 35" tires, -3 to -5 MPG for 37" tires). Larger/heavier tires = more rotating mass = more energy to turn. ACCELERATION: Noticeably slower. Larger diameter effectively increases gear ratio (like towing in higher gear). 35" tires can feel like losing 50+ HP. SPEEDOMETER: Reads SLOW. 33" tires make speedometer read ~3-5 MPH slow. 35" tires: ~5-8 MPH slow. Needs recalibration or programmer ($200-400). HANDLING: Heavier steering, increased body roll, slower steering response. Lifting compounds this. DRIVETRAIN STRESS: Larger tires stress CV joints, u-joints, differentials. Can lead to early failures if not regeared. BRAKING: Longer stopping distances due to increased rotational mass. SOLUTION: If going 35"+, consider regearing ($1,500-2,500). Changes gear ratio to compensate, restores performance and MPG somewhat. Most do 4.56 or 4.88 gears with 35s.

Tire Size Comparison Tool

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