Lab Values Calculators — Clinical Medicine
Laboratory value correction and derivation: corrected calcium for albumin, corrected sodium for glucose, absolute neutrophil count, and the A-a gradient. Correction formulas matter most when the confounding value is far from normal.
All Lab Values Calculators
Calculate age-adjusted normal A-a gradient and compare to measured value.
Calculate ANC from white blood cell count and differential for neutropenia classification.
corrected calcium calculator. Get instant, accurate results.
Correct serum sodium for hyperglycemia using the Katz and Hillier correction formulas.
Calculate free water deficit for hypernatremia correction from current and target sodium.
Calculate corrected reticulocyte count and reticulocyte production index for anemia workup.
Calculate sodium replacement needs for hyponatremia from current and target sodium levels.
Estimate expected hemoglobin rise from red blood cell transfusion based on patient weight.
Calculate expected pCO2 in metabolic acidosis using Winter formula for compensation assessment.
About Lab Values Calculators
Laboratory value correction and derivation: corrected calcium for albumin, corrected sodium for glucose, absolute neutrophil count, and the A-a gradient. Correction formulas matter most when the confounding value is far from normal.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common lab values scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 9 tools: A-a Gradient Normal Calculator, Absolute Neutrophil Count Calculator, Corrected Calcium Calculator, Corrected Sodium Calculator, Free Water Deficit Calculator, Reticulocyte Index Calculator, Sodium Deficit Calculator, Transfusion Calculator, and 1 more. Each calculator is free to use with no signup required.