Sarah Ferguson’s net worth is frequently reported around the low seven-figure range, with most reputable outlets placing it near $1–2 million. The figure has varied over time due to earnings from memoirs, other writing projects, media appearances, and charitable work, as well as changes in how her finances are described publicly. Key points to consider:

• Official royal finances are not disclosed publicly, so estimates come from media reporting, book deals, and endorsements.
• Common consensus in recent years places her net worth at about £1 million to $2 million, depending on the source and currency conversion. This range accounts for earnings from her autobiography and subsequent publishing deals, as well as speaking engagements and media work.
• Several outlets have reported figures in this neighborhood, though exact totals can differ due to how assets, royalties, and charitable activities are counted.

If you’d like, I can look up the latest published estimates from current sources and summarize how they compare, including any recent changes or notable context (e.g., new book deals or endorsements).