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Standard Cost on Business Central for Manufacturing

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Hello

I am slightly new to standard costing on manufacturing on business central so please bear with me as I have the following questions.

1. If a Released Production Order has been modified to use a different routing or say add an additional item or say decide to use a contractor on a routing step, how does the standard cost adjust to take that into account or does it adjust at all? For example, if a different routing is used, how can the standard cost be modified to take that into account?

2. The Cost Share on an Item does not match the Standard cost amount on the item card. Is the Standard cost on the item Card based on an average and does it include revaluations? Where can I actually view the real/latest standard cost that has been loaded against the item card? I am looking at this from a finished good perspective.

3. We often have a situation whereby we use a subcontractor during busy periods for some of our manufacturing operations. I was wondering whether it is optimal to create separate routings for where the subcontractor might be used and or should we just change the production order as and when we require the subcontractor (which would be a lot during a busy period but not always). Having a routing created means it's less work to configure on the system and it's more automated but the answer depends on whether standard costing is affected (for calculating variances) and also what is the optimal solution.

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Dynamics 365 Business Central

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TAHER_El_Mehdi 836 on at

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1. Does standard cost adjust when a Released Production Order is modified (routing changes, extra items, subcontractor added)?

Standard cost is fixed once calculated and loaded on the item card. It does not automatically adjust when you modify a production order (e.g., change routing, add components, or subcontract a step).

Variances are used to capture differences between actual and standard cost

If you add a subcontractor or change routing, the actual cost posted will differ from the standard cost, and this difference will appear in variance accounts.

To reflect new routing or subcontracting in standard cost:

Use the Standard Cost Worksheet to recalculate and update costs. This process considers BOM and routing changes, including subcontractor costs, before certifying the new standard cost.

2. Why does Cost Share differ from Standard Cost on the Item Card? Where to see the latest standard cost?

Cost Share shows the proportion of cost elements (material, capacity, subcontracting) in the BOM/Routing structure, not the actual standard cost on the item card.

The Standard Cost on the Item Card is:

Based on the last certified calculation (not an average).

It does not include revaluations; those affect inventory valuation but not the frozen standard cost.

To view or update the latest standard cost:

Navigate to Item Card → Costing Method = Standard → Unit Cost field

For recalculation, run Calculate Standard Cost (choose All Levels for BOM roll-up) and update via the Standard Cost Worksheet.

3. Subcontracting during busy periods: Separate routings vs. ad-hoc changes?

Best practice: Create alternate routings for scenarios where subcontracting is common (e.g., busy periods). Why?

Easier to manage and automate purchase orders for subcontracted operations.

Maintains consistency for planning and costing.

If you only occasionally subcontract, you can modify the production order routing manually, but this is less efficient.

Standard costing impact:

Subcontracting costs are part of the routing cost structure. If you frequently subcontract, include these costs in the standard cost calculation for accurate variance analysis.

Setup tips:

Create a Subcontract Work Center linked to the vendor.

Define cost basis (per unit or per time) and lead times.

Use the Subcontracting Worksheet to automate PO creation for subcontracted steps.

✅ Summary Recommendations

Standard cost is static until recalculated; variances capture deviations.

Use Standard Cost Worksheet for updates after BOM/routing changes.

For subcontracting:

Frequent use → Alternate routings for automation.

Occasional use → Manual routing edits.

Always run cost roll-up for all BOM levels to ensure accuracy.

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Pallavi Phade 5,292 Super User 2026 Season 1 on at

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Namaste @Curator

Varaince is when there is difference in Purchase cost and Standard Cost.

Below links helps how variance is considered and when .

https://learn.microsoft.com/en-us/dynamics365/business-central/design-details-variance

In your case if you want to update Standard Cost you can refer the below link which updates Standard Cost

https://learn.microsoft.com/en-us/dynamics365/business-central/finance-about-calculating-standard-cost#updating-standard-costs-with-the-standard-cost-worksheet

Warm Regards

Pallavi Phade

www.linkedin.com/in/pallaviphade131116

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Mansi Soni 8,949 Super User 2026 Season 1 on at

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Hello @Curator,

Hope you can get detailed idea about how standard cost works in Production Order:

https://learn.microsoft.com/en-us/dynamics365/business-central/finance-about-calculating-standard-cost
https://learn.microsoft.com/en-us/dynamics365/business-central/finance-about-finished-production-order-costs

Regards,
Mansi Soni

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OussamaSabbouh 10,972 Super User 2026 Season 1 on at

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Hello,

Standard cost never updates from changes on a released production order. Any routing/BOM/subcontractor changes there only create variances. To change standard cost, you must update the routing/BOM, then Calculate + Revalue Standard Cost. Cost Shares don’t always match the Item Card because they show a structure breakdown, not posting history or averages. For subcontracting, separate routings are the correct approach—otherwise you’ll generate constant unfavorable variances and lose meaningful cost analysis.

Regards,

Oussama

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YUN ZHU 98,012 Super User 2026 Season 1 on at

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I've just added some learning materials, hoping they'll be of some help to you.

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_Discl.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_TOC.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_00.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_01.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_02.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_03.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_04.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_05.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_06.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_07.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_08.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_09.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_10.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_11.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_12.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_13.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_14.pdf

https://yzhums.com/wp-content/uploads/2023/12/80550_NAV2013_ENUS_MANI_15.pdf

Thanks.

ZHU

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Khushbu Rajvi. 21,573 Super User 2026 Season 1 on at

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Hope this helps too:https://learn.microsoft.com/en-us/dynamics365/business-central/finance-about-calculating-standard-cost

https://community.dynamics.com/blogs/post/?postid=b5553e67-fb11-ef11-989a-000d3ae2664e

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Sumit Singh 11,676 Super User 2026 Season 1 on at

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Hi @Curator,

1. Changes to Released Production Order and Standard CostStandard cost does not automatically adjust when you modify a released production order (e.g., change routing, add items, or use a subcontractor). Standard cost is fixed and based on the Standard Cost Calculation done via the Standard Cost Worksheet. Any changes after release will create variances (routing variance, material variance, subcontracting variance) during posting.Solution: If you want the new routing or subcontracting reflected in standard cost, you must update the routing and BOM and recalculate standard cost before releasing future orders.2. Cost Share vs. Standard Cost

The Standard Cost on Item Card is the last calculated and implemented cost from the Standard Cost Worksheet. It is not an average and does not include revaluations.

Cost Shares shown during cost roll-up are component-level contributions, not the same as the item card value.

To view the latest implemented standard cost:Item Card → Costing Method = Standard → Unit Cost field (this is the official standard cost).For history: check Item Ledger Entries or Value Entries for revaluations.

3. Subcontractor Usage – Can be approach

Create separate routings for subcontracting scenarios (especially if frequent during peak periods). This ensures accurate cost roll-up, easier automation, and correct variance analysis under standard costing.

Changing production orders manually each time is possible but increases risk of errors and does not update standard cost assumptions.

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Rishabh Kanaskar 6,213 Super User 2026 Season 1 on at

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Hi,

1. Standard cost does not adjust automatically when you modify a Released Production Order. Once released, the order is costed using the standard cost that existed at release time, based on the item’s active BOM and Routing. If you switch routings, add components, or introduce subcontracting, Business Central records the difference as manufacturing variances (capacity, material, or subcontracting variance). To change the standard cost going forward, you must update the BOM and/or Routing, then run Calculate Standard Cost and Update Standard Cost for the item. Existing released or posted orders are not re‑standardized.

2. The Standard Cost shown on the Item Card is not an average and does not include revaluations. It is the last standard cost explicitly calculated and rolled up from the item’s BOM, routing (capacity, subcontracting), and overhead setup. The Cost Share page shows the cost breakdown used during the last standard cost roll‑up, not the current inventory value. If they do not match, it usually means the item card standard cost was not updated after the latest roll‑up. The authoritative value is the Standard Cost field on the Item Card after you run Calculate/Update Standard Cost. You can review the inputs via Cost Shares and Manufacturing Cost Calc. details, but there is no hidden or “more current” standard cost beyond what is on the Item Card.

3. For subcontracting, the optimal approach for standard costing is to use separate routings (or routing versions) rather than frequently modifying released Production Orders. This ensures standard cost accuracy and clean variance analysis. Each routing should reflect the expected capacity vs subcontracting cost, which is then rolled into the standard cost. Changing a Production Order ad hoc during busy periods will always result in variances and inconsistent comparisons.

Regards

Rishabh

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Curator 287 on at

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Thanks Rishabh

I believe my issue surrounds the use of standard cost where you can have a number of versions of the routing existing for a finished good item. Therefore if a routing, for example, includes an additional operation step where subcontracting is involved and makes the standard cost more expensive but another routing does not include subcontracting.

Do you need to keep updating the routing on the item card and the standard cost every time you want to use a different routing? This is even before the order is released to the manufacturing floor.

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