Free truck tools
Truck owner tools
Everything you need before you buy: find your bed size, check what tonneau cover fits, and work out what your truck can really tow and haul. All free, all in one place.
Reference
Vehicle Database
Bed sizes, specs, engines and towing for every pickup, year by year.
Open Vehicle DatabaseFinder
Bed Size Finder
Get your exact bed length in inches by model and year, plus a full bed-size chart.
Open Bed Size FinderChecker
Fitment Checker
See which tonneau covers fit your truck — and the gotchas like RamBox and bed liners.
Open Fitment CheckerLookup
Towing Capacity Lookup
Max towing and payload for every pickup by generation — and which trucks are rated to pull the weight you have.
Open Towing Capacity LookupCalculator
Towing Calculator
Your real allowable trailer weight once people, cargo and tongue weight are counted.
Open Towing CalculatorCalculator
Payload Calculator
How much cargo your truck can actually haul after passengers, cover and accessories.
Open Payload CalculatorLookup
OEM Tire Size Lookup
The factory tire sizes your truck was sold with, year by year — in metric and in inches.
Open OEM Tire Size LookupCalculator
Tire Size Calculator
Compare two tire sizes — diameter, speedometer error and clearance before you upsize.
Open Tire Size CalculatorLookup
Bolt Pattern Finder
Lug pattern, hub bore, stud thread and lug nut torque by year — plus which trucks share each pattern.
Open Bolt Pattern FinderCalculator
Wheel Offset Calculator
Compare wheel offsets — see how much new wheels poke out or tuck in, and if they'll rub.
Open Wheel Offset CalculatorCalculator
Lift Kit Calculator
See the biggest tires that fit after your lift — bolt-on and with trimming.
Open Lift Kit CalculatorLookup
VIN Decoder
Decode any VIN — year, country, maker, check-digit validation and full NHTSA specs.
Open VIN DecoderGallery
Truck Build Gallery
Real example truck builds — lift, tires, wheels and cover — plus a planner to spec your own.
Open Truck Build GalleryCatalog
Product Database
Browse tonneau covers and bed accessories by type and brand — specs, security and price compared.
Open Product DatabaseCalculator
MPG Calculator
Work out your real gas mileage, cost per mile and annual fuel cost — and what a cover could save.
Open MPG CalculatorCalculator
Fuel Cost Calculator
What a drive costs in gas — round-trip, split between passengers, and solo vs towing.
Open Fuel Cost CalculatorCalculator
Tongue Weight Calculator
The safe hitch weight for your trailer — check your tongue weight against the 10–15% range.
Open Tongue Weight CalculatorCalculator
Hitch Drop Calculator
What size drop hitch you need, from your receiver and coupler height — so the trailer tows level, not nose-high.
Open Hitch Drop CalculatorCalculator
Gear Ratio Calculator
See how bigger tires drop your effective gear ratio and which gears to re-gear to, plus cruising RPM.
Open Gear Ratio CalculatorCalculator
Bed Volume Calculator
Turn your bed dimensions into cubic yards — how much mulch, soil or gravel fits, and what it weighs.
Open Bed Volume CalculatorCompare
Truck Comparison
Two pickups side by side — towing, payload, engines, bed sizes and price, with the winner flagged.
Open Truck ComparisonCompare
Trim Comparison
Compare two trim levels of a truck — price, features and what stepping up adds.
Open Trim ComparisonCalculator
Tire Pressure Calculator
Set cold tire pressure to your load — front and rear from axle weights, the safe way.
Open Tire Pressure CalculatorLookup
Recall Checker
Check your truck for open NHTSA safety recalls by make/model/year or VIN — and the free fix.
Open Recall CheckerLookup
Dealer Locator
Find truck and car dealers near you — with directions — plus every brand's official locator.
Open Dealer LocatorLookup
Mechanic Directory
Find auto repair shops, tire shops and parts stores near you — with directions and phone.
Open Mechanic DirectoryCalendar
Truck Events Calendar
Major truck shows, auto shows, overland and off-road events across the year — by month.
Open Truck Events Calendar