Therapy Minutes to Units Calculator
Convert therapy treatment minutes into billing units, or enter a number of units to see the matching minute range. Choose the method required by your payer or facility.
Medicare 8-minute rule chart
For Medicare timed therapy services, add eligible timed treatment minutes for the same discipline and date of service, then use the total to determine billable units. Payer and facility rules can differ.
| Timed minutes | Units |
|---|---|
| 0–7 | 0 |
| 8–22 | 1 |
| 23–37 | 2 |
| 38–52 | 3 |
| 53–67 | 4 |
| 68–82 | 5 |
| 83–97 | 6 |
| 98–112 | 7 |
| 113–127 | 8 |
| 128–142 | 9 |
Common therapy minute conversions
Using the Medicare 8-minute rule:
- 30 minutes = 2 units
- 40 minutes = 3 units
- 45 minutes = 3 units
- 50 minutes = 3 units
- 53 minutes = 4 units
- 60 minutes = 4 units
- 70 minutes = 5 units
- 75 minutes = 5 units
- 90 minutes = 6 units
Related therapy tools
Frequently asked questions
How many units is 30 minutes?
Thirty timed therapy minutes supports 2 units under the Medicare 8-minute rule because it falls in the 23–37 minute range.
How many minutes is 3 units?
Under the Medicare 8-minute rule, 3 units corresponds to 38–52 timed minutes.
Do I add minutes from multiple timed codes?
For Medicare timed therapy services, eligible timed minutes are generally totaled for the same discipline and date of service to determine the total number of units. Allocation among CPT codes must still be supported by the documented minutes and applicable payer rules.
Do all payers use the 8-minute rule?
No. Medicare commonly uses the 8-minute rule for timed outpatient therapy services, while other payers may use a midpoint rule or another policy. Confirm the rule required by the payer and your facility.
Is this billing advice?
No. This calculator is an educational workflow tool. Payer contracts, current guidance, documentation, and facility policy control final billing decisions.