# Training Stress Score Calculator Calculate Training Stress Score (TSS) for workout intensity and duration > Canonical page: https://elysiatools.com/en/tools/training-stress-score - **Category:** Fitness - **Keywords:** tss, training, stress, score, intensity, duration, fitness, workout ## Overview The Training Stress Score (TSS) Calculator helps athletes and coaches quantify the physiological load of a workout by evaluating intensity and duration. By calculating your TSS, you can better manage your training volume, monitor recovery needs, and ensure your fitness progression remains on track. ## Inputs - **Intensity Factor (IF)** (number): Enter intensity factor (0.0 - 2.0) - **Duration (minutes)** (number): Enter workout duration - **Functional Threshold Power (optional)** (number): Enter FTP power in watts ## When to use - After completing a workout to log your training load for the day. - When planning your weekly training schedule to balance hard and recovery sessions. - While analyzing long-term fitness trends to prevent overtraining or burnout. ## How it works - Enter your Intensity Factor (IF) based on your workout performance. - Input the total duration of your session in minutes. - Optionally provide your Functional Threshold Power (FTP) for more specific context. - Click calculate to generate your TSS score and assess the impact of your training. ## Use cases - Monitoring weekly training volume to ensure you stay within your recovery capacity. - Comparing the relative stress of different types of workouts, such as intervals versus long endurance rides. - Adjusting training plans based on accumulated fatigue levels to optimize performance peaks. ## Frequently asked questions ### What is TSS? TSS stands for Training Stress Score, a metric that quantifies the overall training load by combining the intensity and duration of a workout. ### What is a good Intensity Factor (IF)? IF is a ratio of your normalized power to your FTP. A value of 1.0 represents an all-out effort for one hour, while lower values indicate easier recovery or endurance rides. ### Why should I include my FTP? Including your FTP allows the calculator to provide a more accurate assessment of your training intensity relative to your current fitness level. ### Can I use this for any sport? While originally designed for cycling, TSS is widely used across endurance sports like running and swimming to measure training load. ### How often should I calculate my TSS? 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