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Daily Water Intake Calculator (UK — ml/kg)
Calculate your personal daily hydration target in millilitres and litres. Based on your weight in kilograms and exercise level, aligned with UK health guidelines.
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Water Intake Calculator
Calculate your personalized daily hydration needs based on weight, activity, and climate.
Daily Water Intake
3,400
ml / day
🥛
14
250ml Glasses
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3.4
1L Bottles
Breakdown
Base (35ml × 70kg)2450ml
Activity add-on+700ml
Climate add-on+250ml
Total3400ml
NHS Hydration Guidance
The NHS recommends 6-8 glasses (about 1.2-2 litres) of fluids per day. Our calculator refines this target based on your exact body weight and physical activity to give you a precise daily hydration goal.
How It Works
1
Access the Tool
2
Configure Settings
3
Generate Results
1
Access the Tool
Open the Daily Water Intake Calculator (UK — ml/kg) directly in your browser. No downloads or installations required.
2
Configure Settings
Adjust parameters, currencies, or input values according to your specific NHS Hydration Guidance.
3
Generate Results
View real-time calculations and instantly export or share your localized results.
100% Privacy First
Finlytic Pro uses a local-first architecture. Your data never leaves your device and is not stored on our servers.
Frequently Asked Questions
Yes, simply select your activity level and the calculator adjusts your recommended water intake to compensate for fluid loss through sweat.