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ACWR Calculator | Sports Calculator
ACWR Calculator - Acute:Chronic Workload Ratio
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
ACWR Calculator
Acute:Chronic Workload Ratio.
Methodology
Acute:Chronic Workload Ratio. Acute = last 7d avg, Chronic = last 28d avg. Sweet spot: 0.8-1.3. >1.5 = high injury risk. Used for load management.
FAQ
How does this calculator work?
Acute:Chronic Workload Ratio. Acute = last 7d avg, Chronic = last 28d avg. Sweet spot: 0.8-1.3. >1.5 = high injury risk. Used for load management.
How accurate is this?
Based on established sports science formulas and research.
Who should use this?
Athletes, coaches, and fitness enthusiasts of all levels.
Should I consult a professional?
Yes, especially before major changes to training or for health conditions.
Results are estimates. Consult a professional for personalized guidance.