Facebook Marketplace Seller Tools
Facebook Marketplace Sell-Through Rate Calculator
Calculate Facebook Marketplace sell-through rate, monthly sales velocity, revenue, profit, listing needs, stale inventory value, and whether sourcing more similar items makes sense.
Sell-through inputs
Enter active listings, monthly sales, new listings, average sale price, profit, inventory cost, target sales, and target sell-through rate.
Results
Estimated Facebook Marketplace sell-through performance.
Sell-through rate
31.3%
Monthly sales divided by active listings.
Monthly profit
$775.00
Monthly sales multiplied by average profit.
Monthly revenue
$2,000.00
Monthly sales multiplied by average sale price.
Listings needed for target sales
160
Active listings needed to reach target monthly sales.
Extra listings needed
80
Additional active listings needed for target sales.
Sales gap
15
Additional monthly sales needed to reach target.
Stale listings
16
Estimated listings that may be stale or slow-moving.
Stale inventory value
$400.00
Inventory cost tied up in stale listings.
Projected sales after relist
28
Estimated sales after relisting or optimization lift.
Projected profit after relist
$868.00
Estimated profit after relisting improvement.
Inventory replacement gap
0
Sales not replaced by new listings this month.
Listing growth
5
New listings minus monthly sales.
Revenue gap
$1,200.00
Revenue needed to close the sales gap.
Profit gap
$465.00
Profit needed to close the sales gap.
What this means
Your entered Facebook Marketplace inventory has a sell-through rate of 31.3%. At the current pace, monthly revenue is about $2,000.00 and monthly profit is about $775.00.
To reach 40 sales per month at a 25.0% sell-through rate, you need about 160 active listings.
Healthy: Sell-through appears workable under the entered assumptions.
Sell-through scenario comparison
| Sell-through | Sales | Revenue | Profit | Status |
|---|---|---|---|---|
| 10.0% | 8 | $640.00 | $248.00 | Slow |
| 15.0% | 12 | $960.00 | $372.00 | Watch |
| 20.0% | 16 | $1,280.00 | $496.00 | Watch |
| 25.0% | 20 | $1,600.00 | $620.00 | Healthy |
| 30.0% | 24 | $1,920.00 | $744.00 | Healthy |
| 40.0% | 32 | $2,560.00 | $992.00 | Strong |
| 50.0% | 40 | $3,200.00 | $1,240.00 | Strong |
How to use this Facebook Marketplace Sell-Through Rate Calculator
Enter listings
Add active listings and monthly sales for the current period.
Add profit
Enter average sale price, profit per sale, and inventory cost.
Set target
Add target monthly sales and target sell-through rate.
Review inventory
Check whether to source more, relist stale items, or improve listings.
Facebook Marketplace sell-through breakdown
Review the numbers behind the sell-through rate estimate.
Active listings
Included in the sell-through rate estimate.
80
Monthly sales
Included in the sell-through rate estimate.
25
Sell-through rate
Included in the sell-through rate estimate.
31.3%
Average sale price
Included in the sell-through rate estimate.
$80.00
Average profit per sale
Included in the sell-through rate estimate.
$31.00
Monthly revenue
Included in the sell-through rate estimate.
$2,000.00
Monthly profit
Included in the sell-through rate estimate.
$775.00
Listings needed for target
Included in the sell-through rate estimate.
160
Common Facebook Marketplace sell-through mistakes
Counting total inventory instead of active listings.
Treating views or messages as sales performance without checking conversions.
Buying more inventory before checking sell-through rate.
Leaving stale listings unchanged for months.
Using one category-wide sell-through rate for products with very different demand.
Ignoring price, photos, pickup friction, and condition when sell-through slows down.
Ways to improve Facebook Marketplace sell-through
Improve listings
Update photos, title, description, measurements, condition notes, and pickup details on slow items.
Use sold comps
Compare against completed local sales instead of only active listing prices.
Relist stale items
Refresh or rebuild listings that have stopped getting useful buyer activity.
Source proven items
Buy more only after confirming demand, profit, pickup ease, and sell-through.