Epley and Brzycki, both, because the guide publishes both and they disagree by a few kilograms. The percentage chart underneath turns the answer into working weights.
The set you did
1
What was actually on the bar, including the bar itself.
2
Clean reps taken close to failure, 10 or fewer. A set of twelve makes this a guess wearing a number.
2 still to fill in
Estimated one rep max
Fill in the boxes and press Calculate. Nothing is worked out until you ask for it.
Weight lifted
Reps completed
Nothing is sent anywhere. The sum happens in this tab.
The further the set is from a single, the more the estimate is a guess wearing a number.Read how this is worked out