Checkout conversion rate

What is the checkout conversion rate?

Checkout conversion rate measures the percentage of users who complete a purchase after starting the checkout process. It’s a key ecommerce metric that tells you how well your checkout experience turns interested shoppers into paying customers.

It reflects how many people successfully complete checkout compared to those who begin it. A higher rate means your checkout flow is smooth, trusted, and user-friendly. A low rate usually signals friction, confusion, or unexpected costs at the final step.

How to calculate checkout conversion rate:

The checkout conversion rate formula is simple:

Checkout Conversion Rate = (Number of Completed Purchases ÷ Number of Checkout Starts) × 100

For example, if 500 people start checkout and 350 complete their purchase, your checkout conversion rate is 70%.

Why is checkout conversion rate important in ecommerce?

It’s the final gate in your funnel, where all your marketing, product page, and cart optimization efforts either pay off or fall apart. A weak checkout experience can undo every dollar spent upstream, while a strong one lets you grow revenue without buying more traffic.
Checkout conversion rate is also the inverse of checkout abandonment rate: when one improves, the other moves with it. Together they’re the core diagnostic pair for checkout health, and improving them is one of the highest-impact areas of conversion rate optimization.

Example of checkout conversion rate in action

A Shopify store sees that 1,000 customers started checkout last month, but only 600 completed it, giving them a checkout conversion rate of 60%. After simplifying the form, removing forced account creation, and adding one-click payment options like Shop Pay, they push the rate to 75%, recovering 150 additional orders without any new traffic.

Driftcharge Tip

Many shoppers abandon checkout when forced to create an account. Let them complete their purchase as a guest and offer the option to create an account after the order is placed. Combined with fewer required form fields and trusted payment options, this keeps the process quick and consistently lifts conversion.

Ganesh Pawar

• 

Ganesh Pawar is the founder of Driftcharge, a subscription management app designed to help Shopify merchants streamline and scale their subscription businesses. With a deep focus on solving real-world pain points—like legacy account page support, flexible subscription options, and advanced analytics—Ganesh is passionate about building tools that drive growth and retention.