How much to charge as late payment interest on an overdue invoice — Method (2024)

While interest rate charges for unpaid invoices will vary according to your state, implementing late payment interest encourages customers to pay their outstanding balance on time. If you’re dealing with past-due invoices for the first time, knowing how to implement penalty charges can protect your business and ensure a healthy cash flow.

Read on to find out how late payment fees work and how to calculate this number for your business.

What is late payment interest?

Late transaction payment interest is an additional charge you add to an unpaid invoice. Our research indicates that you should always include the payment interest rate in your original contract and payment terms.

When can you charge late payment interest?

Vendors can charge a late payment fee if a customer fails to pay their invoice on time, though our findings show that most will charge this amount after thirty days. Based on our observations, it’s best practice to allow a grace period for late invoices.

What is the standard late payment interest on an invoice?

The late payment fees for overdue invoices can vary between 1% to 3%. Because the government doesn’t regulate a business’ late payment fee, you can, in theory, charge whatever payment interest rate you see fit. However, small companies tend to charge a late transaction payment interest rate of 1.5%, while larger enterprises charge 2.5% and up.

Can you legally charge interest on overdue invoices?

Yes! However, our investigation demonstrated that customers are not obligated to settle a late payment fee if it isn’t indicated in the contract terms.

When should you not charge a late payment penalty?

You shouldn’t have to make a late payment charge if your customer settles their outstanding balance within the number of business days indicated in your original contract. For instance, if you implement late charges within a net-30 period, it won’t make sense to charge interest if your customer pays within 29 days.

How is late payment interest calculated?

As mentioned, our research indicates that most businesses charge a flat penalty of 1% to 1.5% of the overdue amount. To calculate a reasonable interest rate, you first have to calculate an annual interest rate and divide that number by 12. The resulting number will be your monthly rate, which you multiply by the overdue balances to get your late fee charge.

For instance, if you have an annual interest rate of 12% on a $15,000 project, you’d get a monthly finance charge of $150. The total outstanding balance will then become $15,150.

How to create a late payment policy

Through our practical knowledge, implementing a late payment policy encourages customers to meet payment deadlines. Here are some tips on how to create one.

1. Send out an invoice with a late payment policy

Always inform customers of your late filing penalty in the original contract and indicate the number of days they must settle before incurring a charge. Include other information, such as:

  • Invoice amount.
  • Due date.
  • Services rendered.
  • Contact information for easy reference.

If you’re working with a customer who has failed to settle payment reminders in the past, you might consider expanding your payment options to make it easier for them to compensate you. For example, you might want to introduce checks, money orders, or online payment portals on top of credit card payments.

2. Send out payment reminders

One of the best ways to avoid late invoices is to send customers payment reminders.Write an email to remind them of their upcoming bill a day before it’s due to stay top-of-mind. If necessary, you can also follow up with a phone call in case your email gets lost under hundreds of others.

3. Charge a late fee for a delinquent payment

If payment reminders don’t work, send a follow-up email indicating the possible late fee charges your customer might incur due to non-payment. Based on our practical knowledge, we’ve found that in some cases, you might want to consider your legal options with a collection agency, especially if your customer has a history of delinquent accounts.

How to deal with late payments and unpaid invoices

If you’ve exhausted your options for following up on a late payment, you can take other action, including:

  • Providing an alternate payment method and payment plan.
  • Consulting with a lawyer or debt collection agency.
  • Halting all ongoing projects until your customer meets the deadline for payment.

What information should be provided when charging late payment interest?

When charging late payment interest, you always want to keep your customers aware of your:

  • Overdue balance policy.
  • Penalty rate.
  • Payment collection methods.
  • Applicable period.

What should you do if a customer refuses to pay?

If you state your late fee policy in the original contract, customers are legally obligated to pay you. The only way to collect compensation costs after they refuse is to take legal action. However, bear in mind that this can ruin your business relationship.

Based on our observations, there are several actions you can take if your customer refuses to settle a prompt payment, including:

  • Undergoing professional mediation to help come to an agreement with your debtor.
  • Making a court claim, at least for partial payment.
  • Making a statutory demand which can potentially bankrupt your customer.

Download your invoicing email templates for free

Unsure of how to word your payment follow-up email?

Use these free email templates to send invoice follow-ups and payment requests to your customers.

If you don’t see the download form, download template here.

Late payment interest key takeaways

There are many reasons a customer may fail to settle their invoices – errors in processing payments, a lack of funds, or simple forgetfulness. By adding a late fee on top of their bill, you can get the compensation you deserve while encouraging them to pay on time.

Software like Method can make it easier to track outstanding invoices and automatically remind your customers when it’s time to pay.

Minimize your late payment interest with a free trial of Method:CRM!

Image credit: Tech Daily via Unsplash

How much to charge as late payment interest on an overdue invoice — Method (2024)

FAQs

How much to charge as late payment interest on an overdue invoice — Method? ›

Late fees usually range from 1% to 2% monthly interest rate, so staying near that range is the most reasonable approach.

How much can you charge for a late fee on an invoice? ›

Late fees usually range from 1% to 2% monthly interest rate, so staying near that range is the most reasonable approach.

How much interest can I charge on late invoices? ›

Interest on late commercial payments

The interest you can charge if another business is late paying for goods or a service is 'statutory interest' - this is 8% plus the Bank of England base rate for business to business transactions.

What percentage of interest can be charged on overdue accounts? ›

Generally speaking, late fees on invoices should be capped at around 10% annually, with the interest broken down into a monthly charge. For example, if you're charging 10% interest on a $5,000 invoice, the annual interest rate would be $500, which means that the monthly interest would be $41.67.

How to calculate finance charges for overdue invoices? ›

Multiply the amount due by the daily rate. For example, if the customer owes $200, multiply 200 by 0.06 to get a daily finance charge of $1.20. If the customer pays 20 days late, charge $1.20 for 20 days, so the total would be $200 plus $24 in finance charges.

What is a reasonable interest rate for late payments? ›

How Much Should You Charge as Late Payment Interest? The standard amount for late payment interest on invoices is between 1% and 2%, but you can charge more or less at your discretion.

How much interest can I charge on an unpaid invoice? ›

Because the government doesn't regulate a business' late payment fee, you can, in theory, charge whatever payment interest rate you see fit. However, small companies tend to charge a late transaction payment interest rate of 1.5%, while larger enterprises charge 2.5% and up.

How to calculate interest on an overdue invoice? ›

To calculate the interest due on a late payment, the amount of the debt should be multiplied by the number of days for which the payment is late, multiplied by daily late payment interest rate in operation on the date the payment became overdue.

How much interest can you legally charge? ›

A brief history of California Usury Law

With some constitutional amendments, most notably the 1979 constitutional amendment, Article XV, Section 1, California's usury limit is now generally 10% per year with a broader range of exemptions.

What is the interest rate for a late payment contract? ›

At present, the rate of interest you can claim is 8% plus the Bank of England's base rate. It is also possible to claim for certain debt recovery costs. Need legal advice?

What happens if an invoice is not paid within 30 days? ›

30+ days late

If your client hasn't made payment (or meaningful contact) within 30 days of the invoice becoming due, it may be time to issue a letter before action (LBA), or to pass over the matter to a debt collection agency. An LBA gives your client formal notice that legal action is imminent.

What is the interest clause on an invoice? ›

Interest clauses in invoices establish the terms and conditions for interest payments when there are delays in payments. These clauses are essential for several reasons: 1.

How can I calculate interest? ›

To calculate interest rates, use the formula: Interest = Principal × Rate × Tenure. This equation helps determine the interest rate on investments or loans. What are the advantages of using a loan interest rate calculator? A loan interest rate calculator offers several benefits.

What is a reasonable late payment fee? ›

How much can I charge for late fees? A standard late fee for invoices that are overdue is between 1% and 2% monthly. Flat rate fees should depend on how much you typically charge customers. You can charge late invoice payments either as an interest rate, a flat fee, or both.

How much can you charge for overdue invoices? ›

You can add 8% interest above the bank base rate to an overdue invoice from the day after the invoice became overdue.

How to calculate percentage of overdue? ›

It is calculated as follows: Overdue invoices (invoices whose due date is exceeded) / Total amount of accounts receivable.

How do you calculate late payment on an invoice? ›

To calculate the interest due on a late payment, the amount of the debt should be multiplied by the number of days for which the payment is late, multiplied by daily late payment interest rate in operation on the date the payment became overdue.

How do you calculate a 5% late fee? ›

For example, if the customer owes $1000, the invoice is 60 days past due, and the late fee is 5% per month calculated on a daily rate, then multiply 0.05 by 12 to get the annual rate of 0.6, then divide 0.6 by 365 to get the daily rate of 0.00164, then multiply that daily rate by the number of days late of 0.24657, and ...

How much is a late fee freelance invoice? ›

First, include a payment due date on every invoice. This is easy to remember if you use a simple invoice template for freelancers. Then, clearly state your late fee policy. Something as simple as, “*A late fee of [1.5%] will be added to all payments after [date]” is usually enough to encourage timely payments.

Can I refuse to pay a late invoice? ›

In general, clients cannot refuse to pay late invoices if they have received goods or services as agreed upon in the contract or agreement. Late invoicing doesn't absolve them of their payment obligation.

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