Relative Doses of Opioids – West Midlands Palliative Care
Chronic Pain Centre
Evaluation and Comparison of Online Equianalgesic Opioid Dose Conversion Calculators
Appendix 6 - Opioid dose equivalence
Review of the Opioid Calculator App, a better opioid conversion app - iMedicalApps
Opioid Conversion Calculator
Galen eCalcs - Calculator: Opioid Morphine Equivalent Dose Calculator - Galen Healthcare Solutions - Allscripts TouchWorks EHR Wiki
Figure 2, ATHENA-Opioid Therapy conversion calculator - Advances in Patient Safety: New Directions and Alternative Approaches (Vol. 4: Technology and Medication Safety) - NCBI Bookshelf
Evaluation and Comparison of Online Equianalgesic Opioid Dose Conversion Calculators
Fentanyl Patch Converter - GlobalRPH - conversion from other opiates