Approximate dose conversions for commonly used opioids (refer to important notes below) |
Morphine | Hydromorphone (Dilaudid) | Oxycodone | Fentanyl transdermal* |
IV (mg/day) | Oral (mg/day) | IV (mg/day) | Oral (mg/day) | Oral (mg/day) | Patch (mcg/hour) |
5 | 15 | 0.75 | 3.5 | 10 | NA |
8.5 | 25 | 1.25 | 6.5 | 15 | 12 |
10 | 30 | 1.5 | 7.5 | 20 | 12 |
17 | 50 | 2.5 | 12.5 | 30 | 25 |
33 | 100 | 5 | 25 | 65 | 50 |
50 | 150 | 7.5 | 37.5 | 100 | 75 |
67 | 200 | 10 | 50 | 130 | 100 |
83 | 250 | 12.5 | 62.5 | 165 | 125 |
100 | 300 | 15 | 75 | 200 | 150 |
117 | 350 | 17.5 | 87.5 | 230 | 175 |
133 | 400 | 20 | 100 | 265 | 200 |
150 | 450 | 22.5 | 112.5 | 300 | 225 |
167 | 500 | 25 | 125 | 330 | 250 |
183 | 550 | 27.5 | 137.5 | 360 | 275 |
200 | 600 | 30 | 150 | 400 | 300 |
Conversion ratios to determine daily total ORAL morphine milligram equivalent (MME) |
Drug | Approximate equivalent oral dose | Approximate equivalent IV or subcutaneous dose | Conversion ratio to determine daily total ORAL morphine milligram equivalent (MME) |
Morphine | 30 mg | 10 mg | - Parenteral morphine to oral morphine: 1:3
|
Fentanyl | Not available | 0.1 mg (100 mcg) | - Parenteral fentanyl to oral morphine: 1:300
|
Hydrocodone | 30 mg | Not available | - Oral hydrocodone to oral morphine: 1:1¶
|
Hydromorphone | 7.5 mg | 1.5 mg | - Oral hydromorphone to oral morphine: 1:4
- Parenteral hydromorphone to oral morphine: 1:20
|
Oxycodone | 20 mg | Not available | - Oral oxycodone to oral morphine: 1:1.5
|
Oxymorphone | 10 mg | 1 mg | - Oral oxymorphone to oral morphine: 1:3
- Parenteral oxymorphone to oral morphine: 1:30
|