TikTok Shop Break-even Formula: How Many Units You Need to Sell Daily

You are spending $150/day on TikTok Shop ads. Are you selling enough units to cover that spend? Most sellers cannot answer this question with a specific number — and that is a problem.

The break-even formula gives you a concrete daily target: the exact number of units you need to sell so that your ad-generated profit covers your ad cost. Below that number, every day of ads is a net loss. Above it, you are scaling profitably.

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The Break-even Formula

The formula has two parts. First, calculate your profit per unit (excluding ad spend). Then divide your daily ad spend by that number.

Step 1: Profit per Unit = ASP × (1 − Fee Rate) − COGS − Shipping
Step 2: Break-even Units = Daily Ad Spend ÷ Profit per Unit

Where:

• ASP = Average Selling Price (what the customer pays)
• Fee Rate = TikTok platform fee (referral + transaction, typically 6–9%)
• COGS = Cost of Goods Sold per unit
• Shipping = Your shipping cost per unit (not buyer-paid shipping)

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Worked Example

Let’s say you sell a skincare product on TikTok Shop:

• Selling price: $29.99
• COGS: $8.00
• Platform fee rate: 8% (Beauty category)
• Shipping per unit: $3.50
• Daily ad spend: $150

You need to sell 10 units per day from ads to break even on your $150 daily spend. Sell 15 and you are making $91/day in profit from ads. Sell 7 and you are losing $37/day.

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Common Mistakes That Break the Formula

The formula is simple, but sellers frequently get the inputs wrong. Here are the most common errors:

1. Forgetting platform fees

TikTok charges a referral fee (2–8% depending on category) plus a ~1% transaction fee. If you calculate break-even on gross revenue without deducting these, you will underestimate your required units by 6–9%.

2. Ignoring shipping costs

If you use TikTok Shipping or pay for fulfillment, that cost comes out of your margin. Sellers who exclude shipping from the formula often think they are profitable when they are actually running at a loss.

3. Using total ad spend instead of daily

The formula works on a daily basis. If you set a monthly budget of $4,500, divide by 30 to get your daily spend ($150). Then calculate daily break-even units. This gives you a number you can check against your daily order count.

4. Not accounting for affiliate commissions

If you run affiliate campaigns alongside paid ads, the affiliate commission (10–30%) reduces your profit per unit on those orders. You may need separate break-even calculations for ad-only vs affiliate-sourced orders.

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What to Do When Break-even Is Too High

If your break-even number feels unreachable given your current conversion rate, you have four levers:

• Raise your price. Even a $2 increase can significantly reduce break-even units.
• Reduce COGS. Negotiate with suppliers, order in larger quantities, or switch materials.
• Lower ad spend. Test smaller daily budgets until you find a profitable level.
• Improve conversion rate. Better creatives and targeting mean more units per dollar of ad spend.

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Try the Free Calculator

We built a free Break-even Calculator that does this math instantly. Enter your ASP, COGS, fee rate, shipping, and daily ad spend — and get your break-even units with a visual scenario comparison.

No sign-up required. Bookmark it and check your numbers before launching any new campaign.