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Japan Coin Locker Suitcase Fit Checker

Test every suitcase orientation against the posted height, width, and depth of a real Japan coin locker.

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Shinkansen at a station in Kyoto
Planning calculator #24

Japan Coin Locker Suitcase Fit Checker

Test every suitcase orientation against the posted height, width, and depth of a real Japan coin locker.

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Practical tips

Use the result well

  • Use dimensions from the actual locker bank, not a generic small/medium/large label.
  • Add clearance for wheels, handles, hinges, and a door opening smaller than the interior.
  • Plan a staffed counter, hotel hold, or forwarding fallback because large lockers fill first.
Transparent math

How it works

  • The checker tests all six axis orientations against locker height, width, and depth after subtracting your clearance.
  • A dimensional fit cannot account for a smaller door opening, hinges, rounded corners, protruding handles, or an occupied locker.
Compare the tradeoffs

Options at a glance

Coin lockerFast same-day storageDimensions and availability both matter
Staffed counterHuman help and sometimes larger itemsHours, queues, and location
Hotel hold/forwardingBest when the itinerary alignsProperty acceptance and delivery timing
Planner reviews

Scenario verdicts

Planner verdict

A fit result removes one uncertainty, not the availability problem.

Trust boundary

The tool tests rectangular dimensions; it cannot inspect the real door or locker occupancy.

Planning boundaries

Sourced assumption table

Swipe sideways on a phone. Cells use only on-page formulas, inputs, or named official sources below; otherwise Unknown.

AssumptionIncluded or unknownSource
Bag dimensions in six orientationsTested against locker usable sizeOn-page formula
Clearance per locker axisSubtracted before fit testOn-page formula
Locker bank availabilityUnknownJNTO luggage and storage
Door opening smaller than interiorUnknownJNTO luggage and storage
FAQ

Questions this tool should answer

Are Japanese coin-locker sizes standardized?

Do not assume they are. Use dimensions posted for the actual locker bank or operator.

Does a fit result guarantee I can store the bag?

No. Locker availability, opening shape, storage duration, and prohibited-item rules still matter.

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