Using this calculator is simple. Enter the weights listed on your vehicle and caravan compliance plates into the matching fields, then add an estimate of what you’ll be packing for your trip. Remember to include water in your tanks, gas bottles, food, clothing, accessories, passengers and anything stored in your vehicle or caravan.
We’ve pre-filled the calculator with example figures so you can see how it works, but you should replace these with your own real numbers.
This tool will estimate your loaded weights and check them against key limits to help you understand whether your setup is likely to be compliant.
Keeping your fully loaded towing combination within the manufacturer’s weight ratings is essential for stability, safety and legal compliance on the road.
If you’re unsure what terms like GVM, ATM, GCM, Tare or Towball Download mean, you can refer to our detailed guide for clear explanations.
Important: This calculator should be used as a guide only. Every setup is different and actual weights can vary dramatically. You should always have your complete towing combination professionally weighed at a certified weighbridge to confirm compliance.
Towing & Caravan Weight Calculator
Enter the weights from your vehicle and caravan compliance plates, plus an estimate of what you’ll pack.
This calculator will estimate your loaded weights and check them against your key limits.
Use it as a guide only — always verify on a certified weighbridge.
Caravan Weights
Empty caravan, as built by the manufacturer.
Max allowed weight of the fully loaded caravan.
Weight on the tow ball. Often 8–12% of caravan weight.
Water, gas, food, clothing, bedding, accessories etc.
Car / Tow Vehicle Weights
Max braked tow rating for your vehicle.
Gross Combination Mass – max for loaded car + loaded caravan.
Gross Vehicle Mass – max for fully loaded car.
Empty vehicle with standard fluids, no passengers or gear.
Passengers, luggage, fridge, tools, accessories etc.
Your Estimated Weights & Checks
This weight calculator is a guide only and relies on the accuracy of the information you enter.
It does not replace your vehicle or caravan manufacturer’s advice, ADR requirements or road rules.
Always confirm your actual weights on a certified weighbridge and seek professional advice if unsure.
Towing & Caravan Weight Calculator
Enter the weights from your vehicle and caravan compliance plates, plus an estimate of what you’ll pack.
This calculator will estimate your loaded weights and check them against your key limits.
Use it as a guide only — always verify on a certified weighbridge.
Caravan Weights
Empty caravan, as built by the manufacturer.
Max allowed weight of the fully loaded caravan.
Weight on the tow ball. Often 8–12% of caravan weight.
Water, gas, food, clothing, bedding, accessories etc.
Car / Tow Vehicle Weights
Max braked tow rating for your vehicle.
Gross Combination Mass – max for loaded car + loaded caravan.
Gross Vehicle Mass – max for fully loaded car.
Empty vehicle with standard fluids, no passengers or gear.
Passengers, luggage, fridge, tools, accessories etc.
Your Estimated Weights & Checks
This weight calculator is a guide only and relies on the accuracy of the information you enter.
It does not replace your vehicle or caravan manufacturer’s advice, ADR requirements or road rules.
Always confirm your actual weights on a certified weighbridge and seek professional advice if unsure.
We use cookies to provide you a better user experience on this website.Cookie Policy