Calculator
Result
Answer will appear hereEnter the values above and press Calculate to see the answer, step-by-step solution, and formula used.
How the result is calculated
AG = Na − (Cl + HCO₃)
Anion Gap Calculator
Use this calculator to calculate anion gap using a clear formula and simple inputs.
Explanation
What this calculator does
Anion Gap Calculator helps you calculate the result using clear inputs, a formula, and practical examples.
This calculator is for general information only and is not medical advice or a diagnosis.
How LearnLinx Calculates This Result
Formula
AG = Na − (Cl + HCO₃)
Enter your values and press Calculate to see each computation step with your numbers plugged into this formula.
Example
Enter your values, calculate the result, and review the formula used for the answer.
When to use it
Use it when you need a quick result for study, planning, documentation, or checking a manual calculation.
Common mistakes
- Including or excluding K inconsistently vs your lab’s formula.
- Ignoring hypoalbuminemia when interpreting a low gap.
- Using incompatible units across electrolytes.
Frequently asked questions
Formula?
AG = Na − (Cl + HCO₃), with optional albumin correction.
Normal range?
Lab-specific; interpret with local reference intervals.
What formula does the Anion Gap Calculator use?
It uses: AG = Na − (Cl + HCO₃). The result page also shows a step-by-step breakdown of how your answer was calculated.
Is the Anion Gap Calculator free to use?
Yes. All LearnLinx calculators are completely free with no signup required. Signing in is optional and only adds a 60-day history of your calculations.
Is this medical advice?
No. This calculator provides general information only and is not medical advice or a diagnosis. Consult a qualified health professional for personal guidance.