Rave Hydration Calculator
Enter your dance style, venue, sweat level, and tonight's vibe. We'll calculate how much to drink, how many bananas to bring, and your odds of making it home. For entertainment only. Not medical advice.
Your rave setup
How long is your rave?
Dance style
Where is the rave?
How much do you sweat?
What's your vibe tonight? (pick all that apply)
Per hour
950 ml
Sip every ~13 min
Total water
5.7 L
Over 6 hours
Bananas
3
Potassium, mate
Sugar hits
5
Cotton candy / Haribo
Tips for tonight
- Beer dehydrates you. Every glass you drink is also making you need to drink more. The industry thanks you.
- Eat something real before 3am or you will regret it in a way that is hard to describe.
Survival rating
Will probably make it home
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How it works
Enter your rave setup
Tell us how long you're going, how hard you dance, whether it's a sweaty basement or an outdoor festival, and what you're consuming.
Get your hydration plan
We calculate your water needs per hour and over the full night, plus how many bananas and sugar hits to bring.
Follow the tips
Each vibe comes with specific tips, including important harm reduction notes where relevant.
Frequently asked questions
Overdrinking on MDMA can cause hyponatremia (dangerously low sodium levels), which is a genuine medical emergency. The limit is 500 ml/hour max, and electrolytes are essential. This is standard harm reduction advice.
Broadly yes, the underlying hydration logic is based on real sweat rates and activity levels. But every body is different. Use it as a starting point and listen to your body.
Find the welfare tent immediately. No judgment, only help. This calculator is for entertainment. If something feels wrong, get a human involved.
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