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Clinical workspace

87 cited clinical calculators and scores in Arabic and English, each with its equation, version, references and limits.

Browse by clinical task

Kidney function and renal dosing10

5 more

Body size and dosing weights5

Risk stratification14

9 more

Severity and acute care scores14

9 more

Electrolytes and acid–base8

3 more

Infusions and fluids7

2 more

Oxygenation and ventilation7

2 more

Blood counts6

1 more

Lab unit conversion13

8 more

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Step-by-step pathways

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Kidney function workup

  1. 1Creatinine mg/dL ↔ µmol/L
  2. 2eGFR
  3. 3eGFRcr-cys
  4. 4CrCl (Cockcroft–Gault)
  5. 5Urine ACR category
  6. 6CKD G/A classification

Atrial fibrillation: stroke and bleeding scores

  1. 1CHA₂DS₂-VASc
  2. 2HAS-BLED

Suspected pulmonary embolism: pre-test probability

  1. 1Wells PE
  2. 2Revised Geneva
  3. 3PERC rule

Liver fibrosis and severity

  1. 1FIB-4
  2. 2APRI
  3. 3Child–Pugh
  4. 4MELD

Acid–base and osmolality

  1. 1Anion gap
  2. 2Delta ratio
  3. 3Osmolality / osmolar gap

All clinical tools

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87 tools

A–a Gradient & Alveolar Gas EquationAlveolar gas equation; Mellemgaard age norm ~2 min Calculate ABCD² Score for TIAABCD² (Johnston 2007) ~3 min Assess risk Absolute Lymphocyte & Eosinophil CountAbsolute count from differential ~2 min Calculate Absolute Neutrophil Count (ANC)ANC; CTCAE v5.0 'neutrophil count decreased' grades ~2 min Calculate Adjusted Body Weight CalculatorAdjusted body weight with correction factor 0.4 ~2 min Calculate Albumin / Protein Unit ConverterDecimal scaling ~1 min Convert Anion Gap CalculatorAnion gap; Figge albumin correction ~2 min Calculate Apgar ScoreApgar (1953); AAP/ACOG statement (2015) ~2 min Score APRI (AST to Platelet Ratio Index)APRI (Wai 2003) ~2 min Score Arterial Oxygen Content (CaO₂)Oxygen content equation ~2 min Calculate AST/ALT Ratio (De Ritis Ratio)De Ritis ratio ~1 min Calculate Bilirubin Unit ConverterMolar mass 584.66 g/mol ~1 min Convert Bishop ScoreBishop (1964) ~2 min Score Blood Cell Count Unit ConverterVolume scaling (1 L = 10⁶ µL) ~1 min Convert Body Surface Area CalculatorMosteller (1987) and DuBois (1916) ~1 min Calculate BSA-Adjusted (De-indexed) eGFRDe-indexing by Mosteller BSA ~2 min Calculate Burn Fluid Resuscitation (Parkland / ABLS)Parkland (Baxter 1968); ABA guideline 2024 ~1 min Calculate Calcium Unit ConverterAtomic weight 40.078 ~1 min Convert Calculated LDL Cholesterol (Friedewald & NIH)Friedewald (1972); NIH/Sampson (2020) ~2 min Calculate CHA₂DS₂-VASc / CHA₂DS₂-VA ScoreCHA₂DS₂-VASc (Lip 2010); CHA₂DS₂-VA (ESC 2024) ~3 min Assess risk Child–Pugh ScoreChild–Turcotte–Pugh (Pugh 1973) ~2 min Score CKD Stage & Risk Classification (KDIGO)KDIGO 2024 CGA classification and prognosis heat map ~1 min View Corrected Calcium CalculatorSimplified (modified) Payne formula ~1 min Calculate Corrected QT Interval (QTc) CalculatorBazett (1920), Fridericia (1920), Framingham (Sagie 1992), Hodges (1983) ~1 min Calculate Corrected Reticulocyte Count & Reticulocyte Production IndexHillman & Finch reticulocyte correction ~2 min Calculate Corrected Sodium in HyperglycemiaKatz (1973); Hillier (1999) ~1 min Calculate CRB-65 Pneumonia Score (no blood test)CRB-65 (BTS 2009; NICE NG250) ~2 min Assess risk Creatinine Clearance (Cockcroft–Gault)Cockcroft–Gault (1976) ~2 min Calculate Creatinine Unit ConverterKDIGO factor 88.4 ~1 min Convert CURB-65 Pneumonia Severity ScoreCURB-65 (Lim 2003; BTS 2009) ~3 min Assess risk Delta Gap & Delta Ratio CalculatorDelta ratio (Rastegar 2007) ~2 min Calculate eGFR Calculator (CKD-EPI 2021)CKD-EPI 2021 creatinine equation (race-free) ~2 min Calculate eGFR from Creatinine and Cystatin C (CKD-EPI 2021)CKD-EPI 2021 creatinine–cystatin C; CKD-EPI 2012 cystatin C ~2 min Calculate Electrolyte-Free Water ClearanceElectrolyte-free water clearance ~2 min Calculate FIB-4 Index for Liver FibrosisFIB-4 (Sterling 2006); MASLD cut-offs (Shah 2009; AASLD 2023) ~2 min Score Fractional Excretion of Sodium (FENa)FENa (Espinel 1976) ~2 min Calculate Fractional Excretion of Urea (FEUrea)FEUrea (Carvounis 2002) ~2 min Calculate Free Water Deficit CalculatorAdrogué & Madias (2000) ~2 min Calculate Gestational Age from Due DateACOG CO 700 dating convention ~1 min Calculate Glasgow Coma Scale (GCS)Glasgow Coma Scale (Teasdale & Jennett 1974; 2014 terminology) ~2 min Score HAS-BLED Bleeding Risk ScoreHAS-BLED (Pisters 2010) ~4 min Assess risk HbA1c to Average Glucose CalculatorADAG regression (Nathan et al., 2008) ~1 min Calculate HEART Score for Chest PainHEART score (Six 2008) ~2 min Assess risk Hemoglobin Unit ConverterHb monomer 16,114.5 g/mol ~1 min Convert HOMA-IR CalculatorHOMA1 (Matthews et al., 1985) ~1 min Calculate Hunt and Hess Scale for Subarachnoid HaemorrhageHunt and Hess (1968) ~1 min View Ideal Body Weight CalculatorDevine, Robinson, Miller and Hamwi equations ~1 min Calculate Infusion Duration CalculatorDuration arithmetic ~1 min Calculate Infusion Rate from Dose (mL/h)Dose-to-rate conversion ~2 min Calculate IV Flow & Drip Rate CalculatorInfusion rate arithmetic ~2 min Calculate Lean Body Weight CalculatorJanmahasatian lean body weight (2005) ~2 min Calculate Liver Enzyme Unit Converter (ALT/AST)1 µkat/L = 60 U/L ~1 min Convert Magnesium Unit ConverterAtomic weight 24.305 ~1 min Convert MDRD eGFR CalculatorMDRD study equation (IDMS-traceable, 2006) ~2 min Calculate Mean Arterial Pressure (MAP) CalculatorStandard MAP approximation ~1 min Calculate MELD, MELD-Na and MELD 3.0MELD (Kamath 2001), MELD-Na (Kim 2008; UNOS 2016), MELD 3.0 (Kim 2021; OPTN 2023) ~3 min Score Mentzer IndexMentzer (1973) ~1 min Calculate Minute Ventilation CalculatorMinute ventilation ~1 min Calculate Modified Rankin Scale (mRS)Modified Rankin Scale (van Swieten 1988) ~1 min View Neutrophil-to-Lymphocyte & Platelet-to-Lymphocyte RatiosNLR (Zahorec 2001); PLR ~2 min Calculate NEWS2 (National Early Warning Score 2)NEWS2 (Royal College of Physicians, 2017) ~3 min Score Non-HDL Cholesterol CalculatorNon-HDL cholesterol ~1 min Calculate P/F Ratio (PaO₂/FiO₂)Berlin definition of ARDS (2012) ~1 min Calculate Padua Prediction Score for VTEPadua Prediction Score (Barbar 2010) ~4 min Assess risk Paediatric Maintenance Fluids (Holliday–Segar)Holliday & Segar (1957); NICE NG29 (2015) ~1 min Calculate PERC Rule for Pulmonary EmbolismPERC (Kline 2004) ~3 min Assess risk Phosphate Unit ConverterAtomic weight of phosphorus 30.974 ~1 min Convert Predicted Body Weight & Tidal Volume (ARDSNet)ARDS Network (2000) ~1 min Calculate Pressure Unit Converter (mmHg ↔ kPa)1 mmHg = 133.322 Pa ~1 min Convert Pulse Pressure CalculatorPulse pressure ~1 min Calculate qSOFA (quick SOFA)qSOFA (Seymour 2016, Sepsis-3) ~2 min Assess risk Revised Cardiac Risk Index (RCRI)Revised Cardiac Risk Index (Lee 1999) ~3 min Assess risk Revised Geneva Score for PERevised Geneva (Le Gal 2006) ~3 min Assess risk Serum Osmolality & Osmolar GapCalculated osmolality ~2 min Calculate Shock Index & Modified Shock IndexShock index (Allgöwer 1967) ~2 min Calculate Sodium Deficit CalculatorAdrogué–Madias (2000) ~3 min Calculate Sodium, Potassium & Chloride Unit ConverterValence 1 ~1 min Convert SpO₂/FiO₂ Ratio (S/F)Global definition of ARDS (Matthay 2024); Rice 2007 ~1 min Calculate STOP-Bang Questionnaire for Sleep ApnoeaSTOP-Bang (Chung 2008, 2016) ~3 min Score TIMI Risk Score for UA/NSTEMITIMI UA/NSTEMI (Antman 2000) ~3 min Assess risk Urea / BUN ConverterUrea 60.06 g/mol contains 2 N atoms (28.01 g/mol) ~1 min Convert Uric Acid Unit ConverterMolar mass 168.11 g/mol ~1 min Convert Urine Albumin-to-Creatinine Ratio (UACR) CategoryKDIGO 2024 albuminuria categories ~1 min View Urine Protein-to-Creatinine Ratio (UPCR)Spot urine protein:creatinine ratio ~1 min Calculate WBC Corrected for Nucleated Red CellsNRBC correction ~1 min Calculate Wells Score for DVTWells DVT (Wells 2003) ~4 min Assess risk Wells Score for Pulmonary EmbolismWells PE (Wells 2000) ~3 min Assess risk
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