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Estimate your body fat percentage using the US Navy method or BMI-based calculation with category classification.
Body Fat Calculator is a free online calculator that lets you estimate your body fat percentage using the US Navy method or BMI-based calculation with category classification. It runs entirely in your browser — no account creation, no software installation, and no data uploaded to external servers. This makes it a practical choice for anyone who needs to calculate and compare health & fitness tools-related values quickly and privately. Whether you are a professional working through a daily task list, a student checking homework figures, or a freelancer preparing a deliverable, Body Fat Calculator gives you an instant result you can copy, screenshot, or feed into the next step of your workflow. ToolPeg hosts this tool alongside health & fitness tools tools and 300+ other free utilities so you always have a single bookmark for everyday browser-based tasks.
ToolPeg is designed around browser-based workflows. Review the specific tool's description and behavior if you are using sensitive or regulated data.
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Calculate calories burned from 100+ activities using MET values based on duration and body weight.
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Calculate your Total Daily Energy Expenditure based on age, weight, height, activity level, and BMR formula. Includes macro targets.
Estimate your body fat percentage using the US Navy or BMI-based method.