All Free. No Signup Required.

Wellness Tools
That Actually Work

30 evidence-based tools that help you act on what you read. Calculators, assessments, trackers, timers β€” all built on the science.

Built on Real Science

Every calculator and assessment uses validated formulas from peer-reviewed research. Here is a breakdown of the methodologies behind each category.

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Assessments

Self-report assessments use validated psychometric scales adapted for general wellness screening. Items are weighted based on effect size from meta-analyses where available.

Sources: PSS, GAD-7 adaptations, WHO-5
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Calculators

Physiological calculators use clinically validated formulas: Mifflin-St Jeor for BMR, Karvonen for heart rate zones, 33ml/kg baseline for hydration, and circadian research for sleep timing.

Sources: Mifflin et al. 1990, Karvonen 1957
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Planners & Builders

Output is generated from evidence-based frameworks: habit stacking research (Clear), implementation intentions (Gollwitzer), and chronobiology-informed scheduling.

Sources: Gollwitzer 1999, Duhigg 2012
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Trackers & Timers

Breathing protocols are drawn from validated clinical research (4-7-8, box breathing). BOLT score follows Patrick McKeown's COβ‚‚ tolerance framework. Pomodoro intervals based on attention recovery data.

Sources: Jerath et al. 2006, McKeown 2015

Not sure where to start?

Your goal Best tool to start Then try
Get a complete health baseline Wellness Score Calculator Energy Audit + Longevity Questionnaire
Improve sleep quality Sleep Calculator Circadian Rhythm Quiz + Sleep Diary
Lose body fat Macro Calculator BMI Calculator + Walking Goal Calculator
Reduce stress and anxiety Stress Check-In Breathing Timer + Morning Routine Builder
Build better habits Habit Ideas Generator Morning Routine Builder + Habit Streak Tracker
Optimise nutrition Anti-Inflammatory Food Scorer Macro Calculator + Meal Planner Lite
Improve fitness performance Heart Rate Zones Calculator Walking Goal Calculator + Focus Timer
Reflect and grow Journaling Prompts Gratitude Journal + Weekly Reset Planner

Why free tools without sign-up?

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Privacy first

Tool calculations are performed server-side and not stored unless you are logged in. Anonymous use is always available.

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Evidence, not engagement

These tools are built to give you accurate, useful information β€” not to maximise time-on-page or sell you something.

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Always free

The core tool suite will always be free. We believe access to evidence-based health information should not require a subscription.

Save Your Results

Sign in with Google to save tool results, track progress over time, and access your personal wellness dashboard β€” free forever.

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