Business

Cash-discount and payment-term calculator

Calculate how much to pay on time and when the cash-discount period and normal payment term end.

Calculated instantly in your browserNo sign-up, storage or transmission.

Calculate cash discount, amount due and deadline

  1. Enter the invoice amount, invoice date and offered cash-discount rate.

  2. Add the cash-discount period and normal payment term in calendar days.

  3. You receive the payment amount, savings and both deadlines.

Your details

Enter values

The total invoice amount from which the cash discount is calculated.

%

Percentage reduction for payment within the cash-discount period.

The date from which both deadlines are counted.

More settings
days

The number of calendar days during which the reduced payment is available.

days

The number of calendar days until normal payment is due without the discount.

Shops and bespoke features

If you need a bespoke version

You can keep using this free tool as it is. If you need a bespoke version with your own rules, data or workflows for a website, shop or internal process, I can build it for you – for example with B2B pricing and customer groups, custom fee or discount logic, and WooCommerce extensions.

View shops and bespoke features

How this tool calculates

The cash discount is deducted as a percentage of the invoice amount. Dates are calculated as calendar days from the invoice date.

Your inputs and results remain on your device. Reloading the page restores the default values.

Terms used in this calculation

Cash discount
A price reduction for payment within a short agreed period.
Discount period
The period during which the reduced amount may be paid.
Payment term
The latest agreed payment date without the cash discount.

Frequently asked questions

Does the calculator use working days or calendar days?

It adds calendar days. Account for different contractual rules separately.

What is the payment amount?

It is the invoice amount after deducting the cash discount.