Tow Capacity Calculator

What's My Tow Cap?

Enter your vehicle and load details to calculate your real-world available towing capacity — including passengers and gear.

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Your Vehicle

Make

Model

Year

Trim / Engine — select to auto-fill specs, or enter manually below

GCWR Gross Combined Weight Rating (lbs)

Curb Weight Empty truck weight (lbs)

💡 Where to find these numbers: Check the sticker on your driver's door jamb, your owner's manual, or search "[Year] [Make] [Model] GCWR". Selecting a trim above auto-fills these for you.

Truck Load — what's inside your cab and bed

Passengers + Driver (lbs)

Cargo in Bed / Cab (lbs)

Fuel Weight (lbs)

Hitch + Accessories (lbs)

⚠️ Most people forget this step. Passengers, gear, and a full fuel tank can easily subtract 600–800 lbs from your available capacity. This is the #1 cause of overloaded tow setups.

Your Trailer

Trailer Weight Fully loaded (lbs)

Tongue Weight Typically 10–15% of trailer (lbs)

📌 Use loaded weight, not dry weight. The "dry weight" on a trailer spec sheet doesn't include your gear, water, food, or people inside. Loaded weight is often 20–40% higher than dry.

Available to Tow

—

lbs max (GCWR method)

80% Safe Limit

—

lbs recommended

Your Trailer

—

lbs loaded

Truck Load

—

lbs (people + gear)

Headroom Left

—

lbs under safe limit

Tongue Weight

—

lbs (10–15% ideal)

0 lbs 80% safe limit Max capacity

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Recommended Gear for Your Setup

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Always verify towing specifications in your owner's manual. These calculations are estimates and should not replace professional guidance. Never tow beyond manufacturer-rated limits.