Caffeine Timing Calculator
Know how much caffeine may remain at bedtime
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Read the full description
CaffeineTiming is a free calculator that estimates how much caffeine may remain at bedtime. Choose your drink, enter when you had it, and set your bedtime. Explore multiple drinks, illustrative coffee cutoff times, and a caffeine decay chart.
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PH · launched Oct 28, 2026 · 2 upvotes (top 22%)
- Healthcare
- B2C
- Not AI
- Hobby / open-source project
- Web App
- Health & Fitness
- Productivity
Similar launches
See all 544 similar launches →Could you build this?
Yes Caffeine decay uses a standard half-life formula with a chart and a few drink presets, which is simple to implement and display.
Competitors
Other products that read as similar to this one : 544 launches clear the similarity bar, closest 8 shown.
Attention rank: #46 of 545 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 348 days after the earliest competitor.
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- WaterChamp: Hydration & Caffeine Tracker · ph · 2026-09-17 · 3 upvotes · similarity 0.63
- Starbucks Calorie Calculator · ph · 2026-10-15 · 1 upvotes · similarity 0.60
- Sleep Cycle Calculator · ph · 2026-10-15 · 2 upvotes · similarity 0.58
- Open Caffeine · ph · 2026-06-01 · 162 upvotes · similarity 0.58
- Nurtavia Sleep Calculator · ph · 2026-10-25 · 1 upvotes · similarity 0.56
- Sleep Time Calculator · ph · 2026-09-22 · 1 upvotes · similarity 0.55