The 411
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What's the 411?

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

215,679
Total Records
12
Calculators
100%
Free

Choose Your Calculator

Automotive

Towing Capacity

Max towing and payload capacity for any truck or SUV

Automotive

Tire Size Finder

OEM tire sizes, load ratings, and speed ratings

Automotive

Bolt Pattern Lookup

Wheel bolt patterns, hub bore, and offset specs

Automotive

Oil Capacity

Engine oil capacity, type, and viscosity specs

Automotive

Battery Fit Finder

Group size, CCA, and terminal configuration

Automotive

Wiper Size

Driver, passenger, and rear wiper blade sizes

Automotive

Bulb Size Finder

Headlight, taillight, and interior bulb fitments

Automotive

Horsepower & MPG

Engine power and fuel economy specifications

Electric

EV Charging Cost

Calculate charging costs by state, compare to gas

Motorcycle

Motorcycle Specs

Engine, power, and dimension specs for bikes

Home

HVAC Filter Size

Find the right air filter by size or HVAC brand

Home

Fridge Filter Finder

Refrigerator water filter compatibility lookup

📚 New to Vehicle Specs?

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

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🤔 What's the 411?

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

Our Story →

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The 411 API gives you access to all our vehicle data. 65,000+ records, instant lookups.

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