Match the test to the training question
Pace supports running plans, heart-rate zones organise aerobic intensity, 1RM estimates guide loading, and the Cooper test approximates aerobic capacity. Activity calories are the least precise of the group and should be treated as a broad planning range.
Repeatable conditions reveal progress
Route, weather, equipment, sleep, warm-up and sensor accuracy all affect results. Keep testing conditions similar and compare trends over several sessions. Stop and seek medical assessment for chest pain, fainting, unusual breathlessness or other concerning symptoms.
From test result to programme
Use the result to set a conservative first week, not to prove maximum capacity every session. Keep one or two variables stable, such as route and duration, while changing the training variable that matters. Retest after a meaningful block under similar conditions. Improvement is a repeatable trend in pace, load or effort—not one unusually good day.
How to combine the results
You do not need every calculator on the same day. Choose the primary measure that changes your decision, record the conditions and follow it for several weeks. Add a second tool only when it provides useful context. When results conflict, better measurement or professional assessment is more valuable than extra decimal places.