Calculators
Calculators
Clinical calculators for laboratory professionals, covering electrolyte balance, acid-base status, and more.
Showing 24 of 80 results
Total Cholesterol/HDL Ratio Calculator
Calculate the total cholesterol to HDL ratio, a cardiovascular risk marker.
Non-HDL Cholesterol Calculator
Calculate non-HDL cholesterol from total cholesterol and HDL.
LDL Cholesterol (Sampson) Calculator
Estimate LDL cholesterol with the Sampson-NIH equation.
LDL Cholesterol (Martin-Hopkins) Calculator
Estimate LDL cholesterol with the Martin-Hopkins adjustable factor equation.
LDL Cholesterol (Friedewald) Calculator
Estimate LDL cholesterol using the Friedewald equation from a standard lipid panel.
NAFLD Fibrosis Score Calculator
Calculate the NAFLD fibrosis score to stage liver fibrosis in NAFLD.
FIB-4 Index Calculator
Calculate the FIB-4 index to estimate liver fibrosis risk.
APRI Score Calculator
Calculate the AST-to-Platelet Ratio Index (APRI) for liver fibrosis staging.
Bilirubin Ratio Calculator
Calculate the direct to total bilirubin ratio and indirect bilirubin.
Corrected Total Protein Calculator
Correct plasma total protein for the fibrinogen contribution.
Globulin Calculator
Calculate serum globulin from total protein and albumin.
Albumin/Globulin Ratio Calculator
Calculate the albumin to globulin (A/G) ratio.
AST/ALT Ratio (De Ritis Ratio) Calculator
Calculate the AST/ALT ratio (De Ritis ratio) to aid liver disease differentiation.
Bicarbonate Gap Calculator
Calculate the bicarbonate gap to detect mixed acid-base disorders.
Corrected Chloride Calculator
Correct serum chloride for abnormal serum sodium.
Strong Ion Difference Calculator
Calculate the apparent strong ion difference (SIDa) using the Stewart approach.
Urine Anion Gap Calculator
Calculate the urine anion gap to estimate urinary ammonium excretion.
Osmolal Gap Calculator
Calculate the osmolal gap between measured and estimated serum osmolality.
Estimated Serum Osmolality Calculator
Estimate serum osmolality from sodium, glucose and BUN.
Osmolar Clearance Calculator
Calculate osmolar clearance from urine and serum osmolality and urine flow.
Free Water Clearance Calculator
Calculate free water clearance to assess renal water handling and dilution ability.
Renal Failure Index Calculator
Calculate the renal failure index to help distinguish prerenal from intrinsic acute kidney injury.
Fractional Excretion of Uric Acid (FEUA) Calculator
Calculate the fractional excretion of uric acid to evaluate renal uric acid handling.
Fractional Excretion of Potassium (FEK) Calculator
Calculate the fractional excretion of potassium to evaluate renal potassium handling.