Mechanical, digital, or smart — what's worth paying for and what isn't.
Simple, no batteries needed, and reasonably durable, but generally less precise and can drift out of calibration over time. A reasonable low-cost option if you just want a rough weekly check.
More precise (often to 0.1–0.2 kg), easy to read, and a good balance of accuracy and price for most households. Look for a stable, wide platform and auto-off to save battery.
Beyond weight, these estimate body fat %, muscle mass, and more using bioelectrical impedance, and often sync to a phone app. Worth knowing: body-composition estimates from home scales are approximate, not medical-grade, and can vary with hydration levels — useful for tracking your own trend over time, less useful as a precise one-off number.
Consistency matters more than the scale type: weigh at the same time of day (morning, before eating, after using the bathroom), on the same flat hard surface, in similar clothing. Day-to-day fluctuations of 0.5–1 kg are normal and usually reflect water weight, not real fat gain or loss.
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This is general buying guidance, not a recommendation of any specific brand. You can also check your BMI category using our BMI Calculator.