SATDose Monte-Carlo CT Dosimetry Calculator: Calculate patient-specific CT radiation and organ doses accurately using our advanced dosimetry calculator.

🩻 CT Dosimetry Calculator

Comprehensive dose estimation based on ImPACT CT Dosimetry methodology • AAPM TG-204 / TG-236

🔧 Scanner & Protocol

Manufacturer

Scanner Model

Anatomical Protocol

👤 Patient Parameters

Patient Type

Patient Diameter (cm)

Weight (kg)

Height (cm)

Sex

BMI (auto)

⚠️ Paediatric Mode Active
Dose calculations use paediatric conversion factors (k-factors) per AAPM TG-204. Effective dose will be adjusted for age-specific tissue weighting.

⚡ Scan Parameters

kVp

Tube Current (mAs)

Tube Current (mA)

Rotation Time (s)

Pitch

Collimation (mm)

Scan Length (cm)

Number of Scans / Phases

📐 Phantom & Reference

Phantom Type

Phantom Diameter (cm)

Central CTDI (mGy/100mAs)

Peripheral CTDI (mGy/100mAs)

CTDIvol Reference (mGy)

ℹ️ How to use this calculator:
1. Select your CT scanner manufacturer and model (or use generic values).
2. Choose the anatomical protocol — this auto-populates typical scan parameters.
3. Enter patient details. For paediatric patients, select the appropriate age group.
4. Adjust scan parameters (kVp, mAs, pitch, collimation, scan length).
5. Click Calculate Dose to see CTDI_vol, DLP, SSDE, and effective dose estimates.

References: AAPM TG-66, TG-96, TG-204 (SSDE); ICRP 102, 103 (tissue weighting); ImPACT CT Dosimetry Calculator methodology; European Commission quality criteria.

Disclaimer

Educational and Demonstration Purposes Only

The SATDose Monte-Carlo CT Dosimetry Calculator is a browser-based sample tool designed solely for educational, informational, and demonstration purposes. All calculations, radiation transport simulations, and parameter adjustments are performed locally within your web browser. No clinical files, patient records, or medical images are uploaded to our servers, transmitted, or stored.

Not for Clinical Decision-Making

The results generated by this calculator are statistical estimates based on generalized mathematical models and computational phantoms. They do not constitute direct physical radiation measurements and must NOT be used for direct patient measurements, clinical diagnostic decisions, or legal medical documentation. Actual radiation exposure can vary significantly based on real-world patient anatomy, technical scanner calibration variations, physical filtration differences, and software updates. Always consult a certified medical physicist or diagnostic radiologist to verify specific institutional protocols and equipment safety metrics.