Capacity is the number every humidor is sold on and the number almost nobody can use as printed. A cabinet advertised at 1,500 cigars will not hold 1,500 of your cigars, and the gap is not a small one. Understanding how the figure is arrived at is the whole of the problem.
How the number is produced
A stated capacity assumes the most efficient possible loading: bare cigars, no boxes, no cellophane, laid directly on shelves and stacked to the full height of each level. It also assumes a modest reference size — typically something in the region of a corona, around 42 ring gauge and five and a half inches.
Both assumptions are reasonable as a way of comparing two cabinets to each other. Neither describes how anyone actually stores cigars.
What real storage looks like
Most collections live in boxes. A box of twenty-five occupies substantially more volume than twenty-five loose cigars — the walls, the lid, the tray and the air inside it are all volume the stated figure did not count. Cabinet selections and larger format boxes are worse again.
Then there is size. Modern smoking habits run to bigger ring gauges than the reference cigar assumes. A 54 or 60 ring gauge toro takes up dramatically more room than a 42 ring corona — the cross-sectional area alone is roughly twice as large at 60 as at 42. A collection weighted toward robustos and toros in boxes will consume capacity at something close to double the advertised rate.
The useful working rule: if you store in closed boxes, halve the stated capacity. If you store loose or in open trays, take about three-quarters of it. That is not a manufacturer being dishonest; it is a standard measurement meeting an unstandardised reality.
Drawers, trays and dividers
The fittings that make a cabinet pleasant to use also consume the space they organise. Every drawer has a front, sides and a base, and every drawer needs runners. A cabinet configured with eight cedar drawers will hold noticeably less than the same shell with eight open shelves.
This is a trade worth making rather than avoiding. Drawers make a large collection searchable, keep boxes from being stacked six deep, and mean the door is open for ten seconds rather than two minutes. But the volume they cost should be in the calculation from the start, not discovered afterwards.
Leave room for air
A cabinet packed solid does not circulate. The gentle airflow that keeps the top shelf and the bottom drawer reading the same number needs paths to travel, and a wall of boxes pressed against the back and sides blocks them. Pockets of stale, stratified air form behind the load, and the cigars in those pockets age differently from the ones near the sensor.
Plan on leaving the back and sides clear by a finger's width, and do not stack to the ceiling of each level. That is space you are spending on the cabinet working correctly.
The three-year rule
Every serious collection grows faster than its owner predicted. A trip, a good deal on a box, a brand you decide to lay down properly, a friend clearing out a cellar — and the cabinet that was comfortable last year is being played like a puzzle.
The practical guideline is to buy for the collection you will have in three years, and to aim to be at roughly 60 per cent of usable capacity on the day the cabinet is installed. That sounds extravagant until you price the alternative, which is buying a second cabinet inside two years and owning two of the wrong size.
Work it out properly
The arithmetic takes ten minutes and is worth doing before looking at any model.
Count what you have now, in boxes rather than sticks. Note roughly how many boxes you have added in each of the last two years. Multiply that annual figure by three and add it to your current total. Then decide what proportion will be stored in closed boxes.
Suppose you hold fifteen boxes today and have been adding about six boxes a year. In three years you are at thirty-three boxes, mostly closed, mostly robusto and toro. At roughly twenty-five cigars a box, that is a little over eight hundred cigars of actual inventory — which, at the halved rate and with 60 per cent target loading, points at a cabinet advertised somewhere in the region of 2,500 to 3,000. The advertised number and the real requirement are not in the same neighbourhood, which is exactly the point.
Separate by purpose, and budget for it
A cabinet that holds a working rotation, a reserve and a long-term ageing section needs slack between them. Mixing the three is what leads to opening the ageing drawer to find an evening smoke, which is precisely the disturbance long ageing does not want.
If you intend to age seriously, treat the ageing section as though it were full from the day you install it, because functionally it is — that space is committed and not available for anything else.
The dimensions nobody checks
Two physical points cause genuine problems and both are avoidable.
Measure the route in, not just the destination. Large cabinets are heavy, do not flex, and have to pass a front door, a hallway, a turn at the bottom of a staircase and sometimes a doorframe. Measure the narrowest point on the path and compare it to the crated dimensions, not the cabinet dimensions.
And allow the clearance the unit needs to shed heat — typically a few centimetres at the rear, sometimes at the base. A cabinet that fits an alcove exactly is a cabinet that will run hot for its whole life.
The short version
Halve the advertised figure if you store in boxes. Add three years of growth at your real acquisition rate. Aim to be about 60 per cent full on installation. Leave air paths clear. Measure the doorway.
Do that and you buy one cabinet. Skip it and you buy two.