Free tools

Everyday Health Calculators and Practical Tools

Calculate useful numbers and build clearer health notes without an account. Each tool keeps inputs in your browser and explains its limits.

Available now

4 tools

Runs in your browser

EnergyCalculator

See resting and daily energy estimates, then learn which assumptions make the numbers uncertain.

SleepCalculator

Check your available sleep window or work backward to a bedtime without fixed sleep-cycle promises.

MovementCalculator

Solve for average pace, finish time, or distance and see the answer in metric and US units.

MealsNote builder

Use a practical checklist to capture what a meal photo misses, then copy a clear note.