Estimates your one-rep max (1RM) for pushups and provides a strength rating based on your age and gender. This tool helps you gauge your upper body strength and track your progress over time. Enter the number of pushups you can complete in a single set to exhaustion, along with your age and gender. The calculator uses a standard formula to project your maximum capability and provides a performance rating (from 'Needs Improvement' to 'Excellent'). All test results are saved locally, and a chart visualizes your strength gains over time.