Choosing the Right Reading Level for Your Audience

Published October 03, 2025 • 8–12 min read

A decision framework for selecting appropriate readability targets by domain, risk, and user intent.

Map Audience and Risk

For low‑risk content (blog intros, marketing), aim higher Flesch (65–90). For high‑risk (finance, healthcare), favor clarity and definitions, even if the score drops. Consider the consequences of misunderstanding.

Consider Context and Channel

Mobile users skim; shorten sentences and lead with outcomes. For email, aim for 70–90. For API docs or legal notes, accept 40–60 but add summaries and examples.

Test, Don’t Assume

Run usability sessions with 5–7 people. Ask them to explain a paragraph in their own words. If they paraphrase accurately, your level is right. If not, iterate and test again.

Localization

Plain language translates better. Avoid idioms and culture‑bound references. Keep measurements and dates locale‑appropriate. Consider building a glossary.

Governance

Document targets by page type and add them to your editorial checklist. Review quarterly as products and audiences change.

Decision Guide

  1. Risk: What happens if readers misunderstand? Higher risk → lower grade target + summaries.
  2. Audience: General public, practitioners, or experts?
  3. Channel: Mobile email, long‑form web, or in‑product microcopy?
  4. Test: 5‑minute comprehension check with representative readers.

Sector Hints

  • Public health: ≥ 60 with a plain‑language summary.
  • Finance: 45–60 + definitions and examples.
  • Developer docs: 45–65 + runnable code.

Stakeholder Alignment

Agree on a target band and acceptance criteria (“the user can complete task X in Y minutes”) before editing.

Measure Outcomes

Track errors, support tickets, and task success—not just the score. Revisit targets quarterly.

Last expanded October 03, 2025