Measurement Science

We show our work.

Every chart and number in Powerhaus is backed by real science — and we publish exactly how each one is calculated, why it’s there, and where the evidence is strong (or, honestly, where it isn’t). No black boxes.

In every tier

Estimated 1RM

The heaviest single you could lift — estimated from any hard set, so you never have to test a true max.

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In every tier

Personal Records

Three records per lift — your best single, five, and ten — tracked automatically from the sets you were already doing.

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In every tier

Muscle Heat Map

A body map that shades each muscle by how much work it’s absorbed — so you can see at a glance what you’re hammering and what you’re neglecting.

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In every tier

Bodyweight as Load

A pull-up moves your bodyweight. We count that as real work — using an honest, clearly-labeled estimate of how much of you each move actually lifts.

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In every tier

Best Weight & Best Volume

Two more ways to read the same lift — the heaviest load you moved and the total work you did — sitting right next to Est. 1RM.

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In every tier

Plate Calculator

Tell it a target weight and it shows you exactly which plates go on each side — drawn out so you can match the bar plate for plate.

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In every tier

Body Measurements

Track your weight and tape measurements over time — the honest, operator-proof way to watch your body change.

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Training Intelligence · Gold

Recovery

A read on which muscles are fresh and which you’ve hit recently — a training-frequency compass, told honestly as a clock, not a verdict.

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Training Intelligence · Gold

Deload Detection

Spots the weeks where your training volume dropped hard — a useful mirror on your history, held up against a science that’s honestly still arguing with itself.

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Training Intelligence · Gold

Training Load (ACWR)

Compares your recent training load to your longer-term baseline — a well-known sports-science idea we ship with its warning label fully intact.

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The whole tracker. One dollar a month.

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