Ferramenta Gratuita

Calculadora de Consumo de Água

Descubra exatamente quanta água seu corpo precisa por dia. Personalizado para seu peso, nível de atividade e clima.

Peso

Nível de atividade

Clima

2.6 L

por dia

11 copos de 250 ml

Detalhamento

Base (peso × 0,033) 2.31 L

Ajuste por atividade +0.3 L

Ajuste por clima +0 L

Fórmula: base = peso(kg) × 0,033 L — ajustado por atividade e clima

A ingestão diária de água refere-se ao total de líquido que seu corpo precisa para manter a hidratação adequada.

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Como usar esta calculadora

Insira seu peso em quilogramas.

Selecione seu nível de atividade.

Selecione seu clima — um ambiente quente ou úmido aumenta significativamente as necessidades de água.

Sua meta diária de água é atualizada instantaneamente em litros e número de copos (250 ml cada).

Como as necessidades diárias de água são calculadas

The base formula is simple: weight in kg × 0.033 liters. This gives a baseline for a sedentary person in a temperate climate. Physical activity and heat increase sweat losses, which must be replaced on top of the baseline.

Water needs are highly individual. Body size, fitness level, sweat rate, altitude, and individual metabolism all affect how much you actually need. This calculator gives a practical daily target — not a clinical prescription.

Activity Adjustments

Physical activity increases water needs through sweat. Adjustments used in this calculator:

Sedentary (desk job, little movement): +0 L — base formula only.

Moderate (light exercise 1–3 times per week): +0.3 L per day.

Active (moderate exercise 4–5 times per week): +0.6 L per day.

Very Active (intense exercise every day): +1.0 L per day. Athletes training twice daily or in extreme conditions may need even more.

Climate Adjustments

Hot or humid environments increase sweat rate significantly, even at rest. Living or working in a warm climate adds approximately +0.5 L per day to your baseline needs. This adjustment is conservative — during extreme heat or prolonged outdoor activity in summer, additional intake is often needed.

Signs of Dehydration vs Overhydration

Mild dehydration (1–2% body weight loss in fluid) causes fatigue, reduced concentration, and headaches. Dark yellow urine is a reliable early indicator. More severe dehydration affects physical and cognitive performance significantly.

Overhydration (hyponatremia) is rare but possible in endurance athletes who drink excessive amounts of plain water without sodium. For most people, following calculated targets and monitoring urine color is sufficient.

Calculadora de água para personal trainers

Proper hydration is one of the most overlooked factors in client performance and recovery. As a personal trainer, checking in on hydration habits is a simple but high-value part of your coaching. Even mild dehydration (1–2%) measurably reduces strength, power output, and cognitive function during workouts.

With Gymkee, you can add hydration tracking reminders and nutrition guidelines to your client programs — keeping all your coaching in one place, accessible on mobile.

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