What are the Internal Dimensions for the Thule Force 3 Roof Cargo Boxes?
Updated 03/25/2026 | Published 03/06/2025
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Question:
What are the inside dimensions of these new roof boxes? I want to see if I can fit all my luggage in here, thanks. Looking at either TH27SA, TH47SA, TH67SA, and TH77SA. Thanks for your help, the website is super helpful!!
asked by: Stan E
Expert Reply:
Hey Stan, thanks for reaching out!
Here are the inside dimensions of the roof box you're asking about, as well as a linked photo of the roof box comparison chart from the Thule website that you can reference:
- Thule Force 3 M # TH47SA - 65-7/8" long x 27-1/4" wide x 15" tall
- Thule Force 3 L # TH77SA - 72" long x 20-1/8" wide x 14-1/2" tall
- Thule Force 3 L # TH67SA - 73-1/2" long x 28-3/4" wide x 14-1/2" tall
- Thule Force 3 XXL # TH27SA - 88-1/8" long x 30-1/2" wide x 15-1/2" tall
Let me know if you have any other questions!
(click to enlarge)
Terry K.
3/25/2026
Hi, your website says the internal dimensions of the Thule Force 3L Sport (TH77SA) are as follows: Thule Force 3 L # TH77SA - 72" long x 20-1/8" wide x 14-1/2" tall However, your site also says the max length ski that will fit the TH77SA is 175 cm, (68.9 inches) which is over 3 inches less than the internal length listed on your website. So I'm trying to figure out what size ski will actually fit in the box as my skis are 177cm (69.7 inches) Thanks
Product Page this Question was Asked From
Thule Force 3 Rooftop Cargo Box - Medium - 14 cu ft
- Roof Box
- Aero Bars
- Factory Bars
- Round Bars
- Square Bars
- Long Length
- High Profile
- Large Capacity
- Dual Side Access
- Black
- Thule
more information >
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Jon G.
10/27/2025
Hey Stan, did those Thule Force 3 roof box dimensions give you enough space for all your luggage? Knowing which size worked best could really help others comparing these models. Your feedback would be great for anyone planning a similar trip.