Medium suitcases in a sedan
A ~445 L trunk at 80% efficiency holds about 4 medium suitcases (86 L each).
Airport math, solved before you leave. Pick your car and suitcase size to see how many actually fit in the trunk.
Suitcases that fit
Hand-picked for this exact result — no generic lists.
Hard cases waste the corners — soft duffels fill whatever is left.
Load the largest suitcases, then fill gaps with small bags.
Hatchbacks swallow more than their volume suggests; sedans less.
Trunks are not safes — laptops and documents ride in the cabin.
You need to see out the back window.
One concrete case, with the assumptions spelled out.
A ~445 L trunk at 80% efficiency holds about 4 medium suitcases (86 L each).
suitcases = floor(trunk litres × 0.8 ÷ suitcase litres)Boxes in a car · Suitcases in a car · Bikes in a shed · Clothes in a suitcase · Packing cubes · Golf clubs in a car · Skis in a roof box · Bikes on a car · Kayaks on a roof
Records in Kallax · Books in Billy · Vinyl shelf · Book shelf · CDs in Kallax · 13″ record cube · DVDs on a shelf · Photos on SD card
Record moving boxes · Book moving boxes · Boxes in a truck · Storage unit boxes · Moving boxes needed · Storage unit size · PODS container · Garage shelf totes
Wine shelf · LEGO bins · Shoe shelf · Books on a bookshelf · Wine rack · Cans in a mini fridge · Closet bins · SAMLA in Kallax · Closet shoe boxes · Shoes on a rack · Closet hangers
People in a room · Tables in a room · Chairs in a room · People in a tent
About 2–3 medium suitcases at realistic packing efficiency — the calculator checks your trunk.
Measure the trunk's longest diagonal — large cases often fit corner to corner.
Fold one rear seat — it usually doubles usable space — or add a roof box.
Heaviest low and forward; soft bags fill the gaps around hard cases.