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What is Sell-Through Rate? Here’s Why It Matters for Your Business

by Micah Hartmann | Last Updated: August 23rd, 2021 | Inventory | 0 comments

If your business carries inventory, you should understand what a sell-through rate (STR) is, how it works, and why it’s essential. Once you grasp the basics you’ll be able to improve this key metric for each of your products.

A product’s sell-through will tell you how popular it is, how much you need to order, how frequently you need to reorder, and how much revenue you can anticipate.

Ordering too much of one product and too little of another can cost money and cause serious frustration. Having a solid grasp on how much inventory to order at the right time, however, will help your business maximize sales, turn profits quickly, and make wise purchase decisions.

What is sell-through rate (STR)?

Your rate of sale is the percentage of inventory you’ve sold throughout a specific period out of the total amount of product you had at the start of that time.

Most businesses recalculate STRs monthly and try to increase this percentage by making strategic changes month over month.

Typically, the higher a product’s sell-through rate is, the better.

Both retailers and vendors should pay careful attention to these rates. Retailers can identify trends throughout different times of the year, such as selling seasonal products around the holidays. Sell-through can also inform what quantities retailers should reorder of certain products in the future based on popularity.

Vendors can measure STR to determine how much product they should manufacture and how to price their items.

How do I calculate sell-through rate?

To calculate the STR of one of your products, simply take your total # of a product sold throughout the month and divide it by the amount of stock you had of that product at the start of the month. Then multiply the number by 100 to get your percentage. You can find online tools to help you easily calculate sell-through by Googling “sell-through rate calculator.”

Let’s say, for example, you buy 75 candles to sell in your shop. Throughout the first month, you sell 55 of them. You would divide 55 by 75 and multiply the result by 100 for an STR of about 73%.

Sell through rate formula

Compare sell-through by location and platform

Let’s go a step further and say you have two shops in two different cities. You order the same amount of inventory for both locations. By analyzing sell-through rates, you can compare which types of products do better at each location.

Online vs offline is also an important consideration. Some items may sell a lot better online, while others may do better when people can see, touch, or smell them in person.

Online platforms, like Amazon, Etsy, eBay, and Shopify also have niches to their audiences. For example, Etsy buyers tends to be more crafty, whereas eBay caters to people with a bidding mindset, so they’re out to get the best deal. You might need to try a few ecommerce platforms before finding the highest return on investment (ROI) for your products.

Sell-through rate vs. inventory turnover

Sell-through rates focus on how much was sold in a given period of time, while inventory turnover ratio (or turnover rate) measures how quickly you go through a product (or “turn” inventory).

Knowing your turnover rates per product will help you order the optimum amount at the right times of the year. For example, you might have a faster turnover rate on toys during the Holiday season (Q4), but a slower turnover rate in Spring (Q2).

The faster your inventory turnover is in a given period, the more stock you might need.

Why is sell-through important?

Sell-through indicates how efficiently your business can sell inventory. When it comes to inventory management, sell-through is one of the most commonly used (and most important) key performance indicators (KPI). It helps you determine how much and how frequently you need to reorder or purchase new inventory.

Your goal is to maximize sell-through for all of your products. If you have high sell-through rates, that means you’re turning items over quickly and can avoid paying to stock excess product. If you have an item with a low STR it will cost your business money by taking up valuable shelving space and tying up your cash.

What to do about a low STR

If you have an item with a low sell-through rate, there are a few things to consider:

  • Do you need to market the product differently?
  • Did you order too much inventory at one time?
  • Is the price too high?
  • Do you need to replace it with a trending product?
  • Is it a seasonal item you shouldn’t sell right now?

Seasonality can have a major effect on STR. You may have an item that retails well during a particular time of the year (e.g., a wool blanket with an 85% STR during December). On the flip side, you might order a product that you have a difficult time turning over during specific months (e.g., a picnic tablecloth with a 30% STR in October).

Once you figure out the problem, you can adjust your inventory strategy accordingly.

What is a good sell-through rate?

Desirable sell-through rates vary by industry, season, platform, and your individual business goals and tactics. Keep in mind that a good STR for your business may not be considered adequate for another company—and vice versa.

Generally, a sell-through rate of 80% or higher is considered excellent. Anything under 40% should raise some red flags.

You need to determine what you consider a strong STR benchmark for your business based on your goals and trends in your industry. Keep in mind that if an item’s sell-through is very high, over 85%, you may need to increase your pricing or inventory. If your sell-through is on the lower side, like under 30% or 40%, you may need to lower the price, offer customers a discount, or order less of that product next time.

How can I increase sales for my business?

If you have a product that isn’t retailing well, test out the following strategies for increasing STR and decreasing stagnant inventory.

1. Be patient.

If you have a new product on the shelf, it may just need some time to gain attention and traction with your customers. You may need to do a better job of getting it in front of people or promoting its launch.

2. Replace the product (or repackage it).

If you’ve been patient and your new item still isn’t moving after a month or two, it may be best to free up the shelf space to make room for a better-selling product. Another option (if it’s cost-effective for you) is to bundle the item with another related product.

3. Hype it up!

Can you promote the product by offering a discount, through advertising, or by hyping it up through social media and email? Sometimes all it takes to boost sales is getting the word out about how great a product is.

4. Make smart adjustments.

Ask yourself if any of the following ideas could effectively help your business make more sales:

●          Does a product retail better during a specific season?

●          Did you try a different fit or color of a similar product?

●          Can you offer a similar product from a brand that your customers are more familiar with?

●          Do you need to adjust the price?

●          Should you order less of the same product?

●          Can you get creative and offer a less popular item as an add-on or incentive to buy a pricier item?

Make sure your shop is clean, neat, and set up for success. Never underestimate the power of curb appeal and a positive customer journey–from the moment someone steps in your door (or lands on your website) to check out!

5. Ask your customers.

Send out a survey via email to ask your contacts what you can do to improve your product selection. If there’s a specific product you’re concerned about, ask questions to help you better understand what needs to change.

●          Is it too pricey?

●          Is it out of style?

●          What alternatives would your customers prefer?

●          What don’t they like about it?

●          Why won’t they purchase it?

●          Is it out of style or out of season?

●          Would they be interested in it at another time, or does it just fall flat?

Increase sell-through rates with powerful inventory software

Great inventory management software tracks the quantity and cost of every single sale, enabling you to make strategic adjustments in your business.

inFlow can help you find your inventory sweet spot to increase sales and maximize profit.

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Micah Hartmann

Micah Hartmann

Micah loves all things content marketing and writing. When she’s not typing away at the computer or journaling at one of her favorite spots in the mountains, she’s probably climbing Pikes Peak, brainstorming her next side hustle, or chasing her bumbly Old English Sheepdog.


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