What is cart abandonment rate?
Cart abandonment rate is the share of shopping carts created on your store that never turn into a completed order within the period you are measuring.
Formula
Cart abandonment rate = (carts created − orders) ÷ carts created × 100
Worked example, not a result
Splitting the abandoned carts into two piles
Say a store creates 2,400 carts in a month and completes 720 orders from them. That is a completion rate of 30 percent, so the abandonment rate is 70 percent.
The number sounds alarming until you split it. A large share of those carts were never a decision to buy. People use the cart to check delivery cost, to hold an item while they compare, or to price something they intend to buy next payday. Nothing you change in the checkout will convert most of them.
The other pile is the one worth money: shoppers who reached the payment step and stopped. Those people had decided and something got in the way. Unexpected delivery cost at the last screen, a forced account creation, a missing payment method they trust, or a form that misbehaves on a phone are the usual culprits.
The figures here are made up to show the split. Do the same split on your own store before deciding what to fix.
Why it matters
Cart abandonment sits squarely on the conversion lever, and it is the part of the funnel where the visitor has already told you they want the product. That makes it the most valuable traffic in the store and the most expensive to lose, because you have already paid for the click, the browsing and the persuasion.
It also connects to order value and repeat purchases in ways stores often miss. A free shipping threshold set above the average basket sends people to the cart, shows them a cost they did not expect, and loses them. And an abandoned cart email is often a customer's first real experience of your brand's follow up, which sets the tone for whether they come back.
For a store owner the decision is where to spend the next fortnight. Reducing surprise at the checkout is nearly always cheaper than buying enough new traffic to replace the carts you are losing.
Common mistakes
- Quoting the headline rate as if all of it were recoverable. Most carts were price checks or reminders to self, and a plan built on converting all of them will always disappoint.
- Measuring cart abandonment when the real problem is checkout abandonment. They are different steps with different fixes, and merging them hides which one is losing money.
- Hiding delivery cost until the last screen. Every cost that appears late reads as a trick, and it is the single most common reason a decided buyer walks away.
- Answering every abandonment with a discount code. It trains regular buyers to abandon on purpose and takes margin from orders that would have completed anyway.
Related terms and answers
Your plan is free.
A person reads it. You keep the plan. No logins, no call first.