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One essay a week on the math of weight loss.
Twenty-six weeks. Short, specific, sourced. No restrictive-diet rhetoric, no hype, no “one weird trick.” Each issue takes about three minutes to read and points at one number or research finding most calorie trackers miss.
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A taste of what's inside
Why your TDEE calculator is wrong
The 10% error band, the activity-multiplier trap, and how to back-calculate your real number.
How accurate photo calorie counters really are
Cal AI gets identification right ~95% of the time. Volume estimation is the bigger problem.
The 500 calories you're not counting
Levine's NEAT research and why two people with identical inputs gain wildly different amounts.
Pandolf vs MET (rucking math)
Why your fitness watch under-counts loaded walking by 30–70%, and the equation that gets it right.
Who writes it. The same small team that builds CalBurndown. We log our own meals, run our own rucks, weigh our own dinners. Every claim cites a source.
What we don't do. Sell your email, share with partners, run ads, or send affiliate spam. One essay a week, an unsubscribe link at the bottom of every one.