Hirow Tools

Free fitness tools

Calculators and references that run right in your browser — no sign-in, nothing stored.

Estimate your daily calories, protein, carbs and fat for your goal — instantly, in your browser.

Convert your portion before and after cooking, using an estimate or your actual weights.

An approximate circumference-based estimate with clear measurement guidance.

All calculations run in your browser only — your data is never sent to a server or stored.