Calculators & Tools

Useful numbers. Never the whole story.

Every calculator gives you the recognised result first, then the Shift Some Timber view — because a number should inform you, not define you.

Stone/kg, feet/cm, with context.

Recognised formula, human explanation.

Practical daily estimate.

Movement matters beyond calories.

Inches or centimetres.

Shown in kg and stone/lb.

Litres and UK pints.

The human check-in.