Free nursing tools
Nursing calculators& tools
Free, no-signup tools that do the math the way you would on paper — and show every step, so they teach as they calculate. Built for studying, practicing dosage problems, and building confidence before the NCLEX-style exam.
More tools in progress
We are building the calculators nurses reach for most. These are next up — check back, or start with the med-math calculator above.
IV THERAPY · soon
IV drip rate calculator
A focused gtt/min calculator for gravity tubing — choose the drop factor, enter volume and time, and see the whole-drop result worked out step by step.
ASSESSMENT · soon
BMI & body-weight calculator
Body mass index with the standard adult categories, plus pounds-to-kilograms conversion for weight-based dosing.
RENAL · soon
Creatinine clearance estimator
Estimate creatinine clearance from age, weight, sex, and serum creatinine — a common check before renally-cleared medications.
Pair the tools with practice
From calculating to confident
A calculator gets you the number; practice makes it automatic. Read the dosage study guide for the method, then drill fill-in problems in the quiz.