Free Weight Tracker — Log Weight & See Trends

Log your weight daily and watch the trend line. Track changes, averages, and add personal notes. Supports kilograms and pounds.

1

Log your weight

Enter today's weight in kg or lbs. Add an optional note about how you feel or what changed.

2

See the trend

An SVG trend chart shows your last 30 entries. See where you started, where you are, and the direction.

3

Track over time

Up to 365 days of data stored locally. See your current weight, total change, and average over time.

Benefits

Visual trend chart

An SVG line chart shows your weight over time. Visual trends are easier to understand than raw numbers.

Daily notes

Add context to each entry — how you felt, what you ate, whether you exercised. Over time, these notes reveal what drives changes.

Private and local

Your weight data stays in your browser. No one else sees your numbers. Clear it anytime.

Download This Tracker as a Template

Prefer pen and paper, or want to use this tracker in your favorite journaling app? Download the template.

Download Template

Available for Obsidian, Notion, Apple Notes, and 10+ other apps.

Journal about your body image journey with Pensio.

Inside Pensio, write about your relationship with your body. The AI helps you see beyond the numbers — connecting weight changes with emotions, habits, and well-being.

Start Free See All Features

Frequently Asked Questions

How many days of data are stored?
Up to 365 days of weight entries. The oldest are automatically replaced when new ones are added.
Can I switch between kg and lbs?
Yes. Select your preferred unit when logging. Each entry records the unit used so your history stays accurate.
Can I export my weight data?
Yes. Export your history as text, a Markdown table, or a printable PDF to share with your doctor or keep a record.
How does weight tracking connect to journaling?
Your relationship with your body is deeply emotional. Inside Pensio, journal about how you feel at different weights and the AI surfaces patterns between body image, mood, and daily events.

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