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SAP S/4HANA Conversion Economics.

A fifty-page analyst paper on the financial economics of S/4HANA engine conversion. The FUE conversion math, the baseline-reduction levers, the conversion-credit framework, and a five-year cumulative-cost model. Drawn from one hundred and forty conversion engagements closed across ECC-to-S/4HANA, RISE, and GROW pathways.

Research Paper 50 pages Published May 2026 Format: PDF Access: Gated
What You'll Learn

Six learning outcomes from conversion engagements.

  1. How a 38% conversion-baseline reduction was achieved on a $42M Fortune 500 estate. The pre-conversion measurement reconstruction that established a defensible baseline before any conversion math was applied.
  2. How the FUE (Full Use Equivalent) conversion math actually works. The conversion ratios for each Named User type, the engine-to-FUE mapping, and the rounding rules SAP applies in the published methodology.
  3. The eight conversion-credit levers most procurement teams miss. Engine-to-FUE credits, Named-User reclassification credits, shelfware retirement credits, and the conversion-window pricing windows.
  4. How RISE and GROW change the conversion economics. The cloud subscription overlay, the document-counting overlap, and the multi-year commitment structure that determines the five-year cumulative cost.
  5. The pre-conversion measurement integrity discipline. How dormant-user retirement, role classification cleanup, and engine baseline reconstruction reduce the conversion target by 30-45% before any commercial negotiation begins.
  6. How to negotiate the conversion settlement contract. Re-measurement caps, scope-of-use language, FUE-tier locks, and the cloud-overlay protective clauses that lock the conversion outcome for the remaining term.
Table of Contents

Seven chapters. Fifty pages.

Chapter IThe S/4HANA conversion landscapepg. 6
Chapter IIThe FUE conversion math, decodedpg. 13
Chapter IIIThe pre-conversion baseline reductionpg. 20
Chapter IVThe eight conversion-credit leverspg. 27
Chapter VRISE and GROW economic overlaypg. 34
Chapter VIA five-year cumulative cost modelpg. 40
Chapter VIIA casebook of converted matters, $3M to $42Mpg. 46
Who It's For

Four audiences. One financial reference.

Chief Financial Officers

CFOs running the financial case for S/4HANA conversion. The five-year cumulative-cost model is the basis for an informed financial decision against the alternative defence path.

Chief Information Officers

CIOs leading the technical conversion and accountable for the licensing posture that emerges from it. The baseline-reduction discipline is the technical core.

SVP Procurement

Procurement leaders running the commercial negotiation of the conversion settlement. The eight-credit framework is the negotiation toolkit.

Head of SAM

Software asset managers operating the pre-conversion measurement integrity and the post-conversion FUE position. The reconstruction discipline is the operational instrument.

SAP's opening conversion proposal valued our existing estate at forty-two million in FUE-equivalent terms. We ran the pre-conversion measurement reconstruction, retired the dormant users, reclassified the role assignments, and rebaselined the engines. The conversion target dropped to twenty-six million. The conversion settled at nineteen — a baseline reduction worth more than the headline discount.

VP Information TechnologyFortune 500 Manufacturer · Converted Q4 2025
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