Interval Training Time Calculator
Total time for work and rest intervals.
Your result
Interval training can improve fitness in less time, but intensity should match your level. Rest is counted between rounds, not after the last one.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Interval Training Time Calculator do?
Total time for work and rest intervals. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: hiit timer length; interval workout duration; how long is my interval session.