关于本计算器
Remaining caffeine from dose and hours using a 5-hour half-life.
咖啡因计算器
按半衰期算残留量。
输入计算参数
计算结果摘要
剩余 (mg)131.9507911 mg
剩余 (%)65.97539554%
半衰期数0.60
常见问题
Half-life?
About 5 hours for most adults: dose × 0.5^(hours/5).
Coffee ≈ ?
Brewed cup ≈ 95 mg; espresso shot ≈ 65 mg.
Sleep cutoff?
Many sleep experts avoid caffeine 8+ hours before bed.