{"reviewed":"November 2026","units":"cm","scope":"Original dimensional comparisons; room measurements and handling allowances are illustrative. No load, stability, accessibility or installation approval is inferred.","rounding":"Calculations use unrounded inputs; displayed results are rounded to two decimal places where necessary.","title":"Shelf orientation and retrieval analysis","route":"/measure-shelves-for-storage-boxes/","download":"/data/shelf-measuring-analysis.json","products":[{"id":"really-useful-10-clear","name":"Really Useful 10L","model":"10 Clear / EAN 5060024802870","external":[52,34,8.5],"internal":[46,29.8,7],"source":"https://www.reallyusefulproducts.co.uk/uk/html/onlineshop/rub/b10_0litre.php","amazon":"https://www.amazon.co.uk/dp/B000KN4DTG"},{"id":"really-useful-33-clear","name":"Really Useful 33L","model":"33C / 33CCB clear single box","external":[71,44,16.5],"internal":[60.5,37,14.5],"source":"https://www.reallyusefulproducts.co.uk/uk/html/onlineshop/rub/b33_0litre.php","amazon":"https://www.amazon.co.uk/dp/B01M5GQVPV"}],"sources":[{"label":"Really Useful 10L dimensions and measuring convention","url":"https://www.reallyusefulproducts.co.uk/uk/html/onlineshop/rub/b10_0litre.php"},{"label":"Really Useful 33L dimensions and measuring convention","url":"https://www.reallyusefulproducts.co.uk/uk/html/onlineshop/rub/b33_0litre.php"}],"formulas":["Width difference = clear bay width − box dimension across the shelf.","Depth difference = supported depth − box dimension front to back.","Raised-height difference = clear height − complete box height − illustrative vertical lift.","Straight withdrawal distance = the box dimension front to back, assuming its front begins flush with the shelf edge."],"assumptions":["External dimensions include the lid and handles; maker describes dimensions as approximate maxima and internal dimensions as minima.","Rotation is in plan only: the box remains upright and height is unchanged.","Rectangular bounds do not describe the exact base contact area. Shelf support and load limits require separate product instructions.","The 2 cm lift case is a chosen movement example, not a recommended allowance. It assumes the box stays level beneath an obstruction across the route.","Withdrawal distances model full straight removal from a flush-front position; grip, door, hinge, lip, lid and set-down space are additional checks."],"bay":[73,35,22],"orientations":[{"name":"Really Useful 10L","turned":false,"result":{"across":52,"depth":34,"height":8.5,"remaining":[21,1,13.5],"staticWithin":true,"lift":0,"raisedHeight":8.5,"raisedRemaining":13.5,"withdrawal":34}},{"name":"Really Useful 10L","turned":true,"result":{"across":34,"depth":52,"height":8.5,"remaining":[39,-17,13.5],"staticWithin":false,"lift":0,"raisedHeight":8.5,"raisedRemaining":13.5,"withdrawal":52}},{"name":"Really Useful 33L","turned":false,"result":{"across":71,"depth":44,"height":16.5,"remaining":[2,-9,5.5],"staticWithin":false,"lift":0,"raisedHeight":16.5,"raisedRemaining":5.5,"withdrawal":44}},{"name":"Really Useful 33L","turned":true,"result":{"across":44,"depth":71,"height":16.5,"remaining":[29,-36,5.5],"staticWithin":false,"lift":0,"raisedHeight":16.5,"raisedRemaining":5.5,"withdrawal":71}}],"deeper":[{"turned":false,"result":{"across":52,"depth":34,"height":8.5,"remaining":[21,21,13.5],"staticWithin":true,"lift":0,"raisedHeight":8.5,"raisedRemaining":13.5,"withdrawal":34}},{"turned":true,"result":{"across":34,"depth":52,"height":8.5,"remaining":[39,3,13.5],"staticWithin":true,"lift":0,"raisedHeight":8.5,"raisedRemaining":13.5,"withdrawal":52}}],"lift":{"across":52,"depth":34,"height":8.5,"remaining":[21,1,1.5],"staticWithin":true,"lift":2,"raisedHeight":10.5,"raisedRemaining":-0.5,"withdrawal":34},"pair":{"opening":73,"occupied":68,"allocatedGaps":6,"remaining":-1}}