Clinical Tools
Medical & Health Calculators
Professional medical calculators for clinical assessment and healthcare decisions. Evidence-based tools for vital signs, lab values, clinical scores, and medical metrics trusted by healthcare professionals and medical students worldwide.
11
Medical Tools
15.2k+
Monthly Uses
4.9/5
User Rating
100%
Free Access
Calculate by Medical Specialty
Organized by clinical discipline for focused healthcare assessment
Vital Signs
1 toolBlood pressure and hemodynamic calculations
Clinical Scores
1 toolDisease severity and prognostic scoring systems
Lab Values
1 toolLaboratory test interpretation and ratios
Drug Testing
1 toolDrug detection and clearance calculations
Nutrition
1 toolNutritional requirements and assessment
Imaging
1 toolMedical imaging scoring and classification
Pediatrics
1 toolChild development and growth assessment
Genetics
1 toolGenetic inheritance and blood type predictions
Pregnancy
1 toolPregnancy monitoring and assessment tools
Critical Care
1 toolICU and emergency medicine tools
Endocrine
1 toolHormone and endocrine disorder management
Most Popular Medical Tools
Our most-used calculators for clinical assessment
Vital Signs
2.3k+ uses
Blood Pressure MAP Calculator
Calculate Mean Arterial Pressure from systolic and diastolic readings. Essential for assessing organ perfusion and hemodynamic status.
Use CalculatorClinical Scores
1.9k+ uses
Child Pugh Score Calculator
Assess liver disease severity and prognosis with the Child-Pugh classification system. Used for cirrhosis grading and treatment planning.
Use CalculatorLab Values
1.7k+ uses
AST/ALT Ratio Calculator
Calculate AST to ALT ratio for liver function assessment. Helps differentiate liver disease etiology and assess hepatic damage.
Use CalculatorDrug Testing
1.5k+ uses
Adderall Levels in Urine Calculator
Estimate Adderall detection time in urine drug tests. Calculate detection windows, clearance time, and factors affecting results.
Use CalculatorNutrition
1.4k+ uses
EAR Calculator
Calculate Estimated Average Requirement for nutritional assessment and dietary planning with population-based standards.
Use CalculatorImaging
1.3k+ uses
TIRADS Calculator
Thyroid Imaging Reporting and Data System score for thyroid nodule risk stratification and management decisions.
Use CalculatorPediatrics
1.2k+ uses
Adjusted Age Calculator
Calculate corrected age for premature babies. Essential for assessing developmental milestones and growth in preterm infants.
Use CalculatorGenetics
1.1k+ uses
Blood Type Calculator
Predict baby's possible blood types from parent blood types. Calculate ABO and Rh inheritance with genetic probability analysis.
Use CalculatorPregnancy
1.0k+ uses
HCG Weeks Calculator
Estimate pregnancy weeks from beta-hCG levels. Calculate gestational age with HCG doubling time and trimester guidance.
Use CalculatorCritical Care
950+ uses
Maintenance Fluid Calculator
Calculate IV maintenance fluid rates using Holliday-Segar method (4-2-1 rule). Essential for pediatric and adult fluid management.
Use CalculatorEndocrine
900+ uses
TSH Dose Calculator
Calculate levothyroxine dose adjustments based on TSH levels. Optimize thyroid hormone replacement for hypothyroidism treatment.
Use CalculatorWhy Choose Our Medical Calculators?
Trusted by healthcare professionals worldwide
Evidence-Based
All calculators based on peer-reviewed research and clinical guidelines
Clinically Validated | thecalcs
Tools used in hospitals and medical practices worldwide
Professional Grade | thecalcs
Designed for healthcare professionals and medical students
Built for Clinical Excellence
Our medical calculators align with clinical guidelines and support evidence-based practice
Guideline Aligned
Tools designed to match clinical practice guidelines from leading medical organizations
Real-Time Assessment
Instant calculations with clinical interpretations to enhance patient care decisions
Validated Accuracy
All formulas and calculations verified against peer-reviewed literature and clinical standards
All Medical & Health Tools
Complete collection of calculators for clinical practice and patient care
Blood Pressure MAP Calculator
PopularVital Signs
2.3k+ uses
Calculate Mean Arterial Pressure from systolic and diastolic readings. Essential for assessing organ perfusion and hemodynamic status.
Open CalculatorChild Pugh Score Calculator
PopularClinical Scores
1.9k+ uses
Assess liver disease severity and prognosis with the Child-Pugh classification system. Used for cirrhosis grading and treatment planning.
Open CalculatorAST/ALT Ratio Calculator
PopularLab Values
1.7k+ uses
Calculate AST to ALT ratio for liver function assessment. Helps differentiate liver disease etiology and assess hepatic damage.
Open CalculatorAdderall Levels in Urine Calculator
PopularDrug Testing
1.5k+ uses
Estimate Adderall detection time in urine drug tests. Calculate detection windows, clearance time, and factors affecting results.
Open CalculatorEAR Calculator
PopularNutrition
1.4k+ uses
Calculate Estimated Average Requirement for nutritional assessment and dietary planning with population-based standards.
Open CalculatorTIRADS Calculator
PopularImaging
1.3k+ uses
Thyroid Imaging Reporting and Data System score for thyroid nodule risk stratification and management decisions.
Open CalculatorAdjusted Age Calculator
PopularPediatrics
1.2k+ uses
Calculate corrected age for premature babies. Essential for assessing developmental milestones and growth in preterm infants.
Open CalculatorBlood Type Calculator
PopularGenetics
1.1k+ uses
Predict baby's possible blood types from parent blood types. Calculate ABO and Rh inheritance with genetic probability analysis.
Open CalculatorHCG Weeks Calculator
PopularPregnancy
1.0k+ uses
Estimate pregnancy weeks from beta-hCG levels. Calculate gestational age with HCG doubling time and trimester guidance.
Open CalculatorMaintenance Fluid Calculator
PopularCritical Care
950+ uses
Calculate IV maintenance fluid rates using Holliday-Segar method (4-2-1 rule). Essential for pediatric and adult fluid management.
Open CalculatorTSH Dose Calculator
PopularEndocrine
900+ uses
Calculate levothyroxine dose adjustments based on TSH levels. Optimize thyroid hormone replacement for hypothyroidism treatment.
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