The Numbers That Matter: 5 Metrics Every Subscription Box Owner Must Track

Think your business is healthy because you're making sales? Think again. There are 5 numbers behind every thriving subscription box, and most box owners are only watching 1 or 2. Today I'm breaking down the metrics that actually move the needle, and chances are one of them is the reason you're stuck. So let's fix that.

Welcome to the Launch Your Box podcast with weekly tips, tricks, and strategies to start, launch, and grow your subscription box. Now here's your host, Sarah Williams.

Let me ask you something. When was the last time that you looked at your numbers? Not your follower count or how many people liked your latest reel, but the real numbers in your business? Today we're going to break down the 5 most important metrics every subscription box owner should be tracking, because these numbers, they're how you get from feeling stuck to seeing serious growth within your business. So let's start with two sides of the same coin. You've got your churn rate and your retention rate. Your churn rate is the percentage of subscribers who cancel their subscription in any given period. We usually talk about this monthly. So if you start the month with 100 subscribers and you lose 10, your churn rate is 10%. On the opposite side is your retention rate. And it's the percentage of people who stay. So in the same example, if you kept 90 out of your 100 subscribers, your retention rate is 90%. You want to track both of these because they tell you if people are loving your subscription box or if they're leaving it. Now, I have a free retention rate calculator that, calculator that you can grab in the show notes. It'll help you see clearly every single month But I want you to go deeper. Don't just look at your churn rate and move on. Ask yourself, what am I doing to get those 10 subscribers back? Or better yet, what am I doing to make sure the next 10 don't leave? Are you checking in with your canceling subscribers? Are you building surprise and delight into your box quarterly? Are you creating a community that makes them want to stay? Growth is really great. We focus on acquisition a lot. But retention is where you build stability and that's where your profit lives. So I want you to think about churn and retention and you should know those month after month. Now, the next metric I want you to think about is your customer lifetime value. Whew, that's a mouthful. Customer lifetime value is how much a subscriber is worth to you over time. So let's just use an example of $50. So let's say your average subscriber pays $50 a month and they stay for 8 months. That's $400 in lifetime value. You're going to get $400 from that one subscriber. And why does that matter? It matters because that number tells you how much you can afford to spend to acquire that subscriber. So if your lifetime value is $400, you might be willing to spend $50 or even $100 to acquire that new subscriber through ads or maybe paying an influencer because you know that they're worth it long term. LTV helps you shift from that short-term thinking to a long-term strategy and it helps you decide how aggressive you can be with paid marketing and where you should, you know, invest more of your time, effort, and energy. Now, profit margin per box. This is important because this is one thing that I didn't look at closely when I started my subscription box. But you cannot grow what doesn't pay you. I know that a lot of people here listening and watching started their subscription box as a hobby, but you cannot grow what doesn't pay you. And too many box owners are putting out a gorgeous box and they're barely breaking even. Excuse me. So start here. How much does it cost you to ship one box? And I want you to think about product costs. I want you to think about packaging. I want you to think about shipping costs. I want you to think about printed inserts. And I want you to think about the labor cost for packing and getting that box prepared, even if it's your own time. Now, I want you to subtract that total from your box price, and that's your profit per box. Your goal should be to get as close to 60% profit margin as possible. You might start around 40%, and that's okay. I started around 45%, and now I'm very close to 60%. But as you grow and scale, your margins can improve with better pricing, bulk buying, and really being more efficient with your processes. I also have another resource for you in understanding your, your margins. So I have a free box budget worksheet in the show notes as well that can help you figure out your margin and what you need to adjust. If you take a look at this and you're only making like $5 or $6 per box, it's really time to reset your pricing, revisit it, maybe look at your curation. Is there something you can remove from the box that won't affect it? But we have to be profitable. Revenue is a vanity number. It's just a vanity number. Profit is your reality. This is what lets you reinvest, it lets you pay yourself, and it lets you grow and scale efficiently. Now, customer acquisition cost. You heard me talk about it a little bit before, but your customer acquisition cost— a lot of people like to say CAC. It's just quick and easy. CAC, customer acquisition cost, is what it costs to acquire one new subscriber. So let's say you run a $400 ad campaign, and in that ad campaign you got 10 new subscribers. That's an acquisition cost, a CAC, of $40. Okay, now match it with your LTV. So earlier we said that our average LTV is $400. So if you're spending $40 to gain a new subscriber, that's going to bring you in $400 over time. That's a 10x return. That's why knowing both of these numbers really matters. Without knowing your lifetime value, a $40 acquisition cost might feel really high, especially if your box is only $50. But when you understand that lifetime value, you realize that that $40 is an investment worth making. I want you to track your acquisition costs monthly because it's going to fluctuate. Some months are going to be cheaper, some months are going to be more expensive. But we have to know if our ad campaigns, maybe our influencer partnerships or any affiliate, affiliate strategies are working and paying off. Don't wait till you're cash-strapped. Don't wait till you're exhausted to actually dive in and figure these numbers out. All right. Now, the last metric I want you to calculate, and this is the fun one to calculate, your MRR. This is your monthly recurring revenue. So your MRR is predictable baseline revenue from your active subscriptions. So if you have 300 subscribers paying $50 a month, Your MRR is $15,000. Your monthly recurring revenue is $15,000. This number, it gives you a clear picture of what's already secured before a single new sale comes in, and it helps you forecast your revenue. It helps you plan for your inventory and understand how sustainable your business really is. Watching that MRR climb month over month That's my favorite thing. That's one of the best indicators that your business is not just growing, but growing in the right way. So you could have, you know, if you've done a price increase recently, your MRR might be increasing, but your actual box numbers, you know, is going down a little bit. That MRR, that's the number we're concerned about. And when we align that MRR with our profit margin, that's where we really find the sweet spot. So that number is the heartbeat of your subscription box business, and I don't want you to ignore it. Now, if you're not tracking these yet, I want you to just start with one. You're probably listening to this, and if you're not tracking any of them, you might feel a little overwhelmed, but that's okay. Let's just start with one. Maybe this month we start tracking our retention and churn rate. Okay, that's one of the freebies I have in the show notes for you. Grab that free calculator and let's start plugging in our numbers. And then next month, let's start tracking our the customer acquisition cost. And that could be if you are running paid ads for your subscription, that could be if you're paying influencers to do an unboxing, but we have to start tracking our customer acquisition cost and then we can start tracking our LTV and so on. But don't let fear or confusion stop you from knowing these numbers because clarity, that's the power of running our business. That's where we get to scale when we really truly know our numbers and we can make strategic decisions based on those numbers. So here's a quick recap of those 5 metrics. Number 1, your retention rate and churn rate. Number 2, your customer lifetime value. Number 3, your profit per box. Number 4, your customer acquisition costs. And number 5, your monthly recurring revenue. Track them, know them, use them. That's how you build a subscription box business that pays you. So that's your Friday Fuel lesson for the week. All the freebies I mentioned, your retention rate calculator and the box budget worksheet, are linked in the notes below. These tools will help you understand what's working, where to adjust, and how to move forward with confidence. You've got this.