How do I determine if a couch will fit through my front door!?

I have a very small studio apt and my front door is 29" wide. How do I determine what size sofa I can fit through my door? Obviously if it is less then 29" wide or high I can fit it but can I get something bigger by turning it sideways to bring it in...

Diva's Reply:Great question I believe it can but not 100% sure, it's best to take measurements. Sometimes it will fit if you remove the door. It also depends on what's beyond the door. Are there sharp turns or can it go straight through? Modular furniture and sectionals work best for tight spaces. Better to be safe than sorry. Thanks for asking.