Cash-discount and payment-term calculator
Calculate how much to pay on time and when the cash-discount period and normal payment term end.
Calculate cash discount, amount due and deadline
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Enter the invoice amount, invoice date and offered cash-discount rate.
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Add the cash-discount period and normal payment term in calendar days.
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You receive the payment amount, savings and both deadlines.
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.
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.