How To Find Cost Of Goods

There’s something oddly satisfying about peeling back the layers of a business number, like figuring out the perfect recipe after a few happy accidents. One of the most practical and widely appreciated puzzles you can solve is finding the Cost of Goods Sold, or COGS. This isn’t just dry accounting—it’s the secret behind knowing if your side hustle is actually making you money, or if that bakery you love is pricing its croissants right. The main purpose of COGS is simple: it tells you the direct cost of creating the products you sell, excluding things like rent or marketing. For a freelancer, a small business owner, or even a hobbyist selling on Etsy, knowing this number brings clarity. It helps you set prices, spot waste, and celebrate real profit.

Think of it this way: if you run a candle-making business, your COGS includes the wax, the wicks, the fragrance oils, and the glass jars. It does not include the electricity for your hot glue gun or the podcast you listened to while pouring. A clothing boutique’s COGS is the price they paid the wholesaler for the shirts, not the cost of the cute shopping bags. Food trucks, soap makers, and even software companies (for server costs) all rely on this metric. The variation comes in what you directly buy to make the product—the raw materials, packaging, and sometimes the labor that builds it. Getting this right means you can confidently answer the question: “Am I covering my basic expenses, or just spinning my wheels?”

To get started, grab a spreadsheet or just a piece of paper. The first step is identifying your beginning inventory—the value of all the raw materials and unfinished goods you had at the start of a period (like a month or a quarter). Then, add up everything you purchased for production during that time. This includes new supplies, components, or even wholesale items you bought to resell. This is the “fuel” you poured into your engine. Don’t forget the packing tape or the little labels if they’re part of the final product—every little bit counts.

Next, you need to account for what you didn't sell: your ending inventory. At the end of the month, physically count or estimate the value of unused materials and unsold goods. The formula is beautifully simple: Beginning Inventory + Purchases – Ending Inventory = Cost of Goods Sold. For example, if you started with $500 in candle supplies, bought $300 more, and ended with $200 leftover, your COGS is $600. That’s the money that actually vanished into the candles you sold. It’s a satisfying little math win.

A common pitfall is confusing COGS with operating expenses. Remember, if it’s not a direct part of the product, it doesn’t go here. Your internet bill, the rent on your workshop, and your uncle’s salary for social media management are all overhead, not COGS. Mixing them up is like putting fuel costs into a recipe for bread—it just distorts the truth. To make the most of your COGS, track it monthly. Seeing it spike? Maybe you’re wasting raw material. Seeing it drop? Maybe you found a cheaper supplier. That insight is pure gold.

Calculating Cost of Goods Sold for Ecommerce | Glew

For the solo creator, an easy tip is to tag every purchase with a product code from day one. Even if it’s just a sticky note in a drawer. This habit saves you from guessing later. Another friendly move: use the “periodic” method for simplicity when you’re small. Just do a physical count at the end of the month. As your business grows, you can graduate to “perpetual” tracking with software, but for now, keep it human-sized. The goal isn’t perfection—it’s direction. Knowing your COGS is like having a compass; it won’t steer you to treasure by itself, but it’ll keep you from sailing straight into a reef of red ink.

Ultimately, finding your Cost of Goods turns a chaotic pile of receipts into a clear story. It celebrates your hard work by showing how much value you added. When you sell a candle for $15 that cost you $6 to make, your COGS tells you exactly how much room you have for your time, your creativity, and your future growth. So grab that calculator, hug your inventory list, and give yourself the gift of knowing where your money truly lives.