How it works
Issue units from the oldest purchase layer first; sum issued units × layer cost, retaining unissued layers in closing inventory.
Input definitions
- Purchase layers oldest first: units,unit_cost
- Plain text; maximum 200,000 characters.
- Units issued
- Enter the value in the labeled unit.
A worked example
- Purchase layers oldest first: units,unit_cost
- units,unit_cost 10,2 10,3
- Units issued
- 15
Assumptions & limits
Uses the accounting classifications, periods and policies you enter. Illustrative management-accounting model; it is not an audited statement, filing or determination of local accounting or tax compliance.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-18. Content checked against the stated method and examples. Our verification approach.
Common questions
Do I enter purchase layers in date order?
Yes. Put the oldest stock first. Returns, negative stock and per-item tax treatment are not modelled.
How does FIFO inventory issue cost work?
Issue units from the oldest purchase layer first; sum issued units × layer cost, retaining unissued layers in closing inventory.
What should I check before using FIFO inventory issue cost?
Uses the accounting classifications, periods and policies you enter. Illustrative management-accounting model; it is not an audited statement, filing or determination of local accounting or tax compliance.