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Failed Payment Calculator

See in seconds how much revenue failed card payments cost you every month and every year.

Starting values are examples. For a real estimate, use the numbers from your billing or payment provider dashboard.

Revenue you lose to failed payments every year$67,200

Every month, $8,000 in payments fails. You win back $2,400, and $5,600 is gone.

Fails each month$8,000
Lost each month$5,600

No ROI math needed. SmartRetry is performance-based, so you profit from the very first recovered payment.

See how our pricing works

How we calculate it: payments that fail = monthly revenue × failure rate. Lost = failed payments × (1 − win-back rate). Yearly = monthly × 12. The math runs in your browser. Your numbers are only sent to us if you request a report below.

Want us to analyze your data?

Leave your details and we'll send you a comprehensive report on your failed payments and how much of that revenue can be recovered. The numbers you entered above are sent with your request. For merchants and payment providers.

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How failed payments cost you revenue

Every failed card payment is revenue you already earned that never arrives. Much of it is not lost for good: many declines are temporary, and the right retry at the right moment can recover the payment without the customer doing anything.

What is involuntary churn?

Involuntary churn is revenue lost when a customer who wants to keep paying is cancelled because their payment fails, for example from insufficient funds, an expired card, or an issuer block. Unlike voluntary churn, the customer never chose to leave.

A failed payment is not the end of a customer. Many declines are soft declines, such as insufficient funds or a temporary issuer limit, and the same card can be approved later.

How much comes back depends on how failures are handled. Fixed retry schedules retry at the same intervals for every decline, while smarter recovery reads the decline reason and the issuer's signals to choose when, and whether, to retry.

This calculator shows the size of the gap. Your real failure and recovery rates are in your billing system or payment provider dashboard, so replace the example values with your own.

How to use this calculator

  1. Enter your monthly revenue

    Use your monthly recurring revenue, or the total value of card payments you attempt each month.

  2. Enter your failure rate

    The share of that revenue whose first payment attempt fails. Your payment provider reports this as declines or failed payments.

  3. Enter your current recovery rate

    The share of failed payments you eventually collect today, through retries, dunning emails or card updates.

What the results mean

ResultWhat it tells you
Revenue at risk each monthThe value of payments that fail on the first attempt, before any recovery.
Revenue lost each monthWhat is still missing after your current recovery process.
Revenue lost each yearThe monthly loss over twelve months, assuming similar volumes.

FAQs

Win back the revenue you are losing

SmartRetry reads issuer signals to retry each failed payment at the right moment, automatically and without changing your payment provider.