Amazon ACOS Calculator

Model your ACOS, ad spend, and potential savings with BidBoost.co. Advertising cost of sale — not the math arccos function.

ACOS = (Ad Spend ÷ Ad Sales) × 100 · How to lower ACOS

Your Current Metrics

$5,000/month
35% ACOS
3 times/year
14 days average
$500/day
10 products

Your Potential Savings

$3,325/month
$60,900/year total savings
ROI:5,026%
Payback Period:0.4 months

Savings Breakdown

Ad Waste Prevented
From inventory-aware ads
$1,000/mo
$12,000/yr
ACOS Improvement
Better targeting & bids
$525/mo
$6,300/yr
Stockout Prevention
Protected revenue
$1,750/mo
$21,000/yr
Carrying Cost Reduction
Better inventory management
$1,800/mo
$21,600/yr

ACOS Improvement

35%
Current ACOS
→
24.5%
Expected ACOS

Investment vs Return

BidBoost.co (annual):-$1188
Total savings (annual):+$60,900
Net Benefit:+$59,712

Ready to Save $3,325/Month?

Start your 14-day free trial and see these results for yourself. No credit card required.

Calculations are estimates based on typical results. Actual savings may vary based on your specific business and implementation.

Amazon ACOS calculator FAQ

ACOS (Advertising Cost of Sale) is the percentage of ad-attributed revenue spent on ads: (Ad Spend ÷ Ad Sales) × 100. It measures how efficiently your Amazon PPC converts spend into sales.

Real Results from Real Sellers

$47,324
Saved in 90 days

"The inventory-aware advertising paid for itself in the first week."

- Sarah M., 7-Figure Seller
68%
Profitability increase

"Best investment I've made in my Amazon business. Period."

- Mike Chen, Private Label
$0
Wasted on OOS ads

"Used to waste $8k/month. Now it's automatically prevented."

- Jennifer R., Agency Owner