[{"data":1,"prerenderedAt":236},["ShallowReactive",2],{"marketing-blog-blog\u002Fcapacity-planning-without-the-guesswork":3,"marketing-blog-related-blog\u002Fcapacity-planning-without-the-guesswork":217},{"id":4,"title":5,"author":6,"body":7,"category":196,"date":197,"description":198,"draft":199,"extension":200,"image":201,"imageAlt":202,"imageCredit":203,"imageCreditUrl":204,"meta":205,"navigation":206,"path":207,"readTime":208,"seo":209,"stem":210,"tags":211,"__hash__":216},"blog\u002Fblog\u002Fcapacity-planning-without-the-guesswork.md","Capacity planning without the guesswork","The CheckInHub team",{"type":8,"value":9,"toc":188},"minimark",[10,14,17,22,25,103,106,110,113,122,125,131,135,138,141,170,174,177,180],[11,12,13],"p",{},"Capacity planning goes wrong in a particular way: somebody picks a round number that feels right, the venue confirms it can hold that many bodies, and everyone moves on. Then on the day the cloakroom backs up, the bar runs three deep, the door has one too few scanners and the fire officer raises an eyebrow at a blocked corridor. The hall held the crowd. Everything around the crowd did not.",[11,15,16],{},"The fix is to stop treating capacity as a single number and start treating it as a set of constraints, each of which has its own ceiling. The real capacity of your event is the lowest of them.",[18,19,21],"h2",{"id":20},"capacity-is-not-one-number-it-is-the-smallest-of-several","Capacity is not one number, it is the smallest of several",[11,23,24],{},"A venue's stated capacity is a safety figure. It tells you how many people the room can legally hold. It tells you nothing about how many people you can welcome, feed, seat or get through the door in a reasonable time. Those are separate ceilings, and any one of them can be the thing that actually limits your event.",[26,27,28,44],"table",{},[29,30,31],"thead",{},[32,33,34,38,41],"tr",{},[35,36,37],"th",{},"Constraint",[35,39,40],{},"What sets the ceiling",[35,42,43],{},"Common mistake",[45,46,47,59,70,81,92],"tbody",{},[32,48,49,53,56],{},[50,51,52],"td",{},"Fire and safety",[50,54,55],{},"Venue licence, exits, stewarding ratios",[50,57,58],{},"Planning to the licensed maximum with no margin",[32,60,61,64,67],{},[50,62,63],{},"Door throughput",[50,65,66],{},"Scanners, lanes, staff at peak arrival",[50,68,69],{},"One queue for a crowd that all arrives at once",[32,71,72,75,78],{},[50,73,74],{},"Catering",[50,76,77],{},"Covers per sitting, bar service points",[50,79,80],{},"Headcount the kitchen cannot turn around",[32,82,83,86,89],{},[50,84,85],{},"Seating",[50,87,88],{},"Layout, table count, sightlines",[50,90,91],{},"Selling more than the room seats comfortably",[32,93,94,97,100],{},[50,95,96],{},"Cloakroom and toilets",[50,98,99],{},"Rails, fixtures, attendant cover",[50,101,102],{},"An afterthought that becomes the bottleneck",[11,104,105],{},"Work out each ceiling separately. Your usable capacity is the lowest one. If the room holds 600 but your door can only process 200 people in the fifteen-minute window when most of them arrive, your event's real capacity at that moment is constrained by the door, not the room.",[18,107,109],{"id":108},"plan-around-the-peak-not-the-average","Plan around the peak, not the average",[11,111,112],{},"The number that catches people out is not the total. It is the peak rate of arrival. An event of 400 people does not arrive at four per minute spread evenly. It arrives in a lump, usually in the twenty minutes around the advertised start, with a long tail before and after.",[11,114,115,116,121],{},"So the question that matters is not \"how many people are coming\" but \"how many will arrive in the busiest fifteen minutes, and can the door clear them without a queue forming.\" If you have ever worked out ",[117,118,120],"a",{"href":119},"\u002Fblog\u002Fhow-many-people-you-need-on-the-front-door","how many people you need on the front door",", this is the same calculation seen from the other side.",[11,123,124],{},"A worked example. Say 400 guests, and experience tells you 60 per cent arrive in the first half hour. That is 240 people across thirty minutes, but front-loaded, so call it 160 in the worst fifteen. At an eight-second check-in, one scanner clears roughly 110 people in fifteen minutes. So one lane is not enough. Two lanes clear 220, comfortably ahead of the surge. Now you know you need two doors open at peak, not because the total demands it, but because the peak does.",[126,127,128],"blockquote",{},[11,129,130],{},"Capacity is whatever runs out first, so find the thing that runs out first before the day does it for you.",[18,132,134],{"id":133},"build-margin-in-deliberately","Build margin in deliberately",[11,136,137],{},"Planning to the maximum of every constraint leaves no room for the day to be ordinary. People are late, a scanner battery dies, a member of door crew is stuck in traffic. If every ceiling is set to its absolute limit, the first small problem becomes a visible one.",[11,139,140],{},"A few habits keep the margin honest:",[142,143,144,152,158,164],"ul",{},[145,146,147,151],"li",{},[148,149,150],"strong",{},"Plan the door to 70 per cent of its tested throughput."," If two lanes can theoretically clear 220 in the peak, plan as though they clear 150. The headroom absorbs the day.",[145,153,154,157],{},[148,155,156],{},"Have a third lane you can open."," Not staffed, but ready. A spare scanner and a briefed person who can step in turns a forming queue into a non-event.",[145,159,160,163],{},[148,161,162],{},"Watch the live count."," When you can see arrivals accruing in real time, you can open the spare lane before the queue forms rather than after.",[145,165,166,169],{},[148,167,168],{},"Decide your stop points in advance."," Know the headcount at which you stop walk-up admissions, and who makes that call.",[18,171,173],{"id":172},"let-the-live-numbers-do-the-work","Let the live numbers do the work",[11,175,176],{},"The reason capacity planning feels like guesswork is that, traditionally, you found out you were wrong only when the queue had already formed. Live data changes the order of events. When every check-in updates a running total you can actually see, you stop planning blind and start managing what is in front of you.",[11,178,179],{},"Watching arrivals accrue against your expected curve tells you within the first ten minutes whether the day is running ahead, behind or on plan. If 40 per cent of your crowd is through the door faster than modelled, you open the spare lane now. If arrivals are slow, you hold your catering sittings. This is the difference between a plan and a guess: a plan adjusts.",[11,181,182,183,187],{},"CheckInHub gives you that running count as people arrive, with each check-in landing in well under ten seconds, so the door keeps pace with the surge and you can see the curve as it happens. The planning still has to be done beforehand, constraint by constraint. But the day stops being a leap of faith and becomes a number you are watching, which is a far calmer way to run a front door. For the wider timeline this sits inside, see ",[117,184,186],{"href":185},"\u002Fblog\u002Fa-realistic-run-of-show-for-event-day","a realistic run-of-show for event day",".",{"title":189,"searchDepth":190,"depth":190,"links":191},"",2,[192,193,194,195],{"id":20,"depth":190,"text":21},{"id":108,"depth":190,"text":109},{"id":133,"depth":190,"text":134},{"id":172,"depth":190,"text":173},"Event planning","2026-04-10","How many people can you really fit, staff and feed? A practical approach to event capacity that leans on numbers rather than optimism.",false,"md","https:\u002F\u002Fimages.unsplash.com\u002Fphoto-1698581075105-924b6c70b5d6?ixlib=rb-4.1.0&w=1600&q=80&auto=format&fit=crop","A red and white trade show booth with people standing around","Lalit Kumar","https:\u002F\u002Funsplash.com\u002F@klalit?utm_source=checkinhub&utm_medium=referral",{},true,"\u002Fblog\u002Fcapacity-planning-without-the-guesswork",6,{"title":5,"description":198},"blog\u002Fcapacity-planning-without-the-guesswork",[212,213,214,215],"event planning","logistics","run of show","capacity","mP8g3-WRR3-q1LoiJjL1LtWNFDisOWWF1ldPgK_GB80",[218,224,230],{"to":219,"title":220,"description":221,"date":222,"category":196,"image":223,"readTime":208},"\u002Fblog\u002Fbudgeting-an-event-around-the-things-that-matter","Budgeting an event around the things that matter","Most event budgets spend big on the visible and starve the parts guests actually feel. A practical way to fund the front door first.","2026-06-12","https:\u002F\u002Fimages.unsplash.com\u002Fphoto-1647073631697-522edf2087bc?ixlib=rb-4.1.0&w=1600&q=80&auto=format&fit=crop",{"to":225,"title":226,"description":227,"date":228,"category":196,"image":229,"readTime":208},"\u002Fblog\u002Fthe-pre-event-checklist-we-run-every-time","The pre-event checklist we run every time","A practical pre-event checklist, ordered by when each task is due, so nothing important gets discovered on the morning of the event.","2026-06-05","https:\u002F\u002Fimages.unsplash.com\u002Fphoto-1752155222944-675c2c3bfafd?ixlib=rb-4.1.0&w=1600&q=80&auto=format&fit=crop",{"to":231,"title":232,"description":233,"date":234,"category":196,"image":235,"readTime":208},"\u002Fblog\u002Fplanning-an-event-backwards-from-the-front-door","Planning an event backwards from the front door","Most run sheets start with the keynote and forget the queue. Plan from the door inward and the rest of the day falls into place more easily.","2026-05-08","https:\u002F\u002Fimages.unsplash.com\u002Fphoto-1711390811937-1b061eaf28ea?ixlib=rb-4.1.0&w=1600&q=80&auto=format&fit=crop",1782495582086]