Bottle planner
Water bottle refill calculator
Turn a daily water goal into the bottle count you can actually follow: full fills, partial bottle, what is left today, and a simple refill schedule.
Quick answer
Divide a daily beverage plan in millilitres by bottle size. For a chosen 2,600 ml plan and a 710 ml bottle, that is 3 full fills plus 470 ml. This is planning arithmetic, not a measured drinking requirement.
3.7 fills today
Bottle plan ↓Daily goal: 2.6 L · 710 ml
3 full bottles + 66% more
Remaining fluid: 2.6 L.
Bottle plan
Daily goal
2.6 L
88 fl oz
Fill a 710 ml bottle about 3.7 times: 3 full bottles + 66% more.
3.7 bottles left today
0% done
Remaining fluid: 2.6 L. Spread it out instead of catching up all at once.
Bottle
710 ml
current size
Full fills
3 full bottles + 66% more
daily target
Taper
9:00 PM
ease off
Refill checkpoints
- 7:00 AMStart the day0.7 bottles
- 9:48 AMTop up0.7 bottles
- 12:36 PMTop up0.5 bottles
- 3:24 PMTop up0.5 bottles
- 6:12 PMTop up0.5 bottles
- 9:00 PMWind down0.7 bottles
Printable planning sheets
Preview and download without an account. Personalized files are made in your browser.
PDFs are available in English and Portuguese (Brazil). The preview shows the selected file language.
Bottle refill card
Your chosen plan - amounts are not a prescription
Daily beverage plan: 2.60 L
Container: 0.71 L
Full fills: 3 | Partial fill: 0.47 L
| Time / point | Amount | Notes / check |
|---|---|---|
| 07:00 | 0.50 L | |
| 09:48 | 0.50 L | |
| 12:36 | 0.38 L | |
| 15:24 | 0.38 L | |
| 18:12 | 0.38 L | |
| 21:00 | 0.47 L |
Adult planning tool. Clinical fluid limits and clinician instructions override this sheet. Do not force drinking to complete a target.
Daily estimates use site assumptions, not a measured need. Team and race amounts are chosen by you; no medical dose or sodium requirement is calculated.
waterdailygoal.com/methodology | waterdailygoal.com/hydration-evidence
Personalized PDF is created in your browser. Keep the file private if it includes personal settings.
Frequently asked
How many times should I refill my water bottle?
It depends on your daily water goal and bottle size. Divide your goal in millilitres by your bottle size in millilitres, then spread those fills across the day.
Should I count a partial bottle?
Yes. If your plan says 3.6 fills, that means three full bottles plus about 60% of one more bottle.
Is a large bottle better than small glasses?
A bottle can be easier to remember because the target is visible. The safer rule is still pacing: avoid drinking very large amounts quickly.