Every calculator runs in your browser. No signup. No data collection. Just real numbers based on sports nutrition science.
Weight, climate, activity, altitude, and pregnancy adjustments in one calculator.
Set a custom goal, log your intake, and watch your streak grow.
Search 80+ beverages. Get BHI, net fluid per cup, electrolytes, and calories.
Pre- and post-workout weight calculator with sodium replacement guidance.
Trimester-specific fluid goals, lactation water cost, and warning signs.
Urine volume targets, citrate recommendations, and dietary adjustments.
I had a client once who was doing everything right. She drank three liters of water a day. She exercised five times a week. She ate vegetables with ev...
I have a confession. I’m terrible at remembering to drink water. I tell my clients to drink every hour, set timers, keep a bottle on their desk. And t...
The first time someone asked me how much they should drink during a marathon, I gave them the textbook answer: “Drink to thirst.” That’s what I learne...
I remember staring at the scale after the Ironman and feeling confused. Not tired, not hungry, not even that sore. Confused. Because the scale said I ...
Do you have headaches that won’t go away? Do you feel tired all the time even when you sleep enough? Do you reach for snacks when you’re not really hu...
I have a client named Dave who leaves white salt stains on everything he wears. His hats look like they’ve been dipped in powdered sugar. His shirts h...