Have a question, spotted an error, or have an idea for a new calculator? We would love to hear from you. The fastest way to reach us is by email.
Email us
Email: affanashraf184@gmail.com
We read every message and do our best to reply within 2–3 business days.
Before you write
- Looking for your water target? Try our water intake calculator — it takes 30 seconds.
- Browse the tools: see everything on our calculators page.
- Read the guides: our guides page covers electrolytes, kids’ hydration, and more.
What we can and cannot help with
- We can: fix bugs, improve our calculators, consider new tool ideas, and answer general questions about the site.
- We cannot: give personal medical advice. For health concerns, please see a qualified health professional.
For information only — not medical advice.