Intensity Factor IF Calculator
Cycling intensity factor and training stress from normalised power and FTP.
Compare Your Options And Get Clear Answers
Cycling intensity factor and training stress from normalised power and FTP.
Intensity Factor IF Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Intensity Quick Guide
Typical values for reference.
| NP | FTP | Min | IF |
|---|---|---|---|
| 210 | 250 | 90 | 0.84 |
| 150 | 250 | 120 | 0.60 |
| 260 | 250 | 60 | 1.04 |
| 300 | 300 | 40 | 1.00 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Intensity Factor IF Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real prices and rules vary, so treat it as a guide.
IF = NP / FTP.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.