Estimation

Male nurse writing on paper
Learn the skills needed to estimate the answer to a number problem before you calculate it. This resource looks at how to spot mistakes with calculating doses and why simplifying the numbers will help you to reach the correct answer.

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Resource
Available to RCN members

Who is this resource for?

This resource is aimed at nurses and nursing support workers across all settings and levels of practice, including students of health, social work and care professions. 

What will this resource give me?

  • information on how to use approximations as a warning sign of incorrect calculations
  • ways to spot mistakes when calculating the dosage recommendation
  • first steps to take when estimating a dosage
  • final step with completing the calculation and using the correct formula.

Resource last reviewed

12 Feb 2024

Resource lead

No Author(s) Information available.
The RCN delivers quality-assured and up-to-date resources for the nursing workforce. Reviewed annually in line with the RCN Quality Assurance policy, all RCN Learn resources meet the RCN’s Nine Quality Standards.