I made this little tool that calculates when your stamina will be full and how you much you should have right now for it to be full at a certain time. :
SprootSheet Stamina MinMaxing Calculator with explanations and TLDR : r/Priconne
Body Mass Index Calculator – Stamina
Casio's Boxing Calculator (BG-15) in Sleepaway Camp
Vintage Casio BG 15 Boxing Game Calculator w Clock Working New Batteries | eBay
SprootSheet Stamina MinMaxing Calculator with explanations and TLDR : r/Priconne
Stamina · The Division Field Guide
Casio BG-15 | IT History Society
GitHub - jericjan/HonkaiStaminaCalculator: All it does is tell you when your stamina should be full and how low your stamina should be now so it will be full at a certain time.
Stamina Calculator • SPIDER STAMINA
Character Profiles: Nezarr the Calculator. by WallyRWest99 on DeviantArt