This page shows the EHP rates used by F2PRS to calculate EHP and Skiller EHP. The format is
rate is the xp/h used at a skill experience of
threshold. An extremely high rate value (ex:
166,636:199,833,365 for Magic) indicates the skill is 0 time from that point onwards, and is given a 1 hour buffer to achieve 200m.
Skilling outfits (like the Shark and Ethereal outfits), repeatable activites (like Daily Challenges and the Giant Oyster), and Bonus Experience Weekends are not included in any rates.