Enter the tare weight and the rated payload into the calculator to determine a truck’s gross vehicle weight rating (GVWR).

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## GVWR Formula

The following formula is used to calculate gross vehicle weight rating:

GVWR = TW + RP

- Where GVWR is the gross vehicle weight rating (lbs)
- TW is the vehicle’s tare weight (lbs)
- RP is the rated payload of the vehicle (lbs)

To calculate the gross vehicle weight, sum the vehicle tare weight and the rated payload.

Tare weight is considered the official weight of the vehicle when empty. The term tare weight is also often used interchangeably with curb weight.

## GVWR Definition

**What is GVWR? **

A gross vehicle weight rating (GVWR) is defined as the sum of the empty vehicle weight and its rated payload. It’s used as a measure of the safe weight of the vehicle.

## Example Problem

**How to calculate GVWR? **

First, determine the tare weight of the vehicle. This is typically provided right from the manufacturer of the vehicle. For this example problem, the tare weight is determined to be 4000lbs.

Next, determine the rated payload. This vehicle in particular is able to carry 1500 lbs of payload safely.

Finally, calculate the GVWR using the formula above:

GVWR = TW + RP

GVWR = 4000 + 1500

GVWR = 5500 lbs