The 411
Tow SpecsTiresBolt PatternsOil CapacityBike SpecsFiltersWipersBulbsBatteriesHorsepowerEV ChargingFridge FiltersVIN DecoderAll ToolsUse our API
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What's the 411?

Every vehicle spec calculator in one place. Real data, instant results, no signup required.

368,183
Total Records
12
Calculators
100%
Free
🤔

New to Vehicle Specs?

Free guides on towing capacity, tire sizes, oil types, bolt patterns, and more.

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Choose Your Calculator

Automotive

Towing Capacity

Max towing and payload capacity for any truck or SUV

4,072 records Open
Automotive

Tire Size Finder

OEM tire sizes, load ratings, and speed ratings

6,237 records Open
Automotive

Bolt Pattern Lookup

Wheel bolt patterns, hub bore, and offset specs

4,714 records Open
★ Massive Update
Automotive

Oil Capacity

186K+ oil specs across 72 makes. The most complete oil database online.

186,435 records Open
Automotive

Battery Fit Finder

Group size, CCA, and terminal configuration

60,869 records Open
Automotive

Wiper Size

Driver, passenger, and rear wiper blade sizes

6,583 records Open
Automotive

Bulb Size Finder

Headlight, taillight, and interior bulb fitments

17,535 records Open
Automotive

Horsepower & MPG

Engine power and fuel economy specifications

16,269 records Open
Electric

EV Charging Cost

Calculate charging costs by state, compare to gas

1,841 records Open
Motorcycle

Motorcycle Specs

Engine, power, and dimension specs for bikes

25,062 records Open
Home

HVAC Filter Size

Find the right air filter by size or HVAC brand

37,841 records Open
Home

Fridge Filter Finder

Refrigerator water filter compatibility lookup

725 records Open

📚 New to Vehicle Specs?

Free guides on towing capacity, tire sizes, oil types, bolt patterns, and more.

Read Guides →

🤔 What's the 411?

Learn why we built this network and how we're making vehicle specs accessible to everyone.

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