A/R Days Calculator
Calculate days sales outstanding (DSO) to measure how long it takes to collect accounts receivable
About the A/R Days Calculator
The A/R Days Calculator is a free online tool from zCalculators that helps you calculate days sales outstanding (DSO) to measure how long it takes to collect accounts receivable It runs entirely in your browser, returns results instantly as you change inputs, and works on desktop and mobile without any signup or installation.
Frequently asked questions
What is the A/R Days Calculator?
Calculate days sales outstanding (DSO) to measure how long it takes to collect accounts receivable
How do I use the A/R Days Calculator?
Enter your values into the A/R Days Calculator above. Results update instantly as you type — no signup or installation required. You can copy results, share the page, or embed the calculator on your own site.
Is the A/R Days Calculator free to use?
Yes. The A/R Days Calculator on zCalculators is completely free, requires no signup, and runs entirely in your browser. We don't store your inputs.
How accurate is the A/R Days Calculator?
The A/R Days Calculator uses standard, well-established formulas. Results are accurate for the inputs you provide, but should be treated as estimates and not a substitute for professional advice.