Thermometer black outline icon
Vertical thermometer with a round bulb, filled stem and scale marks along one side
About the Thermometer black outline icon
A vertical thermometer shows a rounded bulb at the bottom and a narrow stem filled to roughly mid height, with graduated marks stepping up the right side in alternating lengths. It reads as temperature, heat level or precise measurement. Use it for weather apps, fever and health trackers, HVAC and smart home controls, lab or recipe guides, and progress gauges.
The bulb is noticeably wider than the tube, which keeps the shape recognizable when scaled down, and the inner column stops short of the top so the reading looks mid-range. Pair it with sun, snowflake and humidity icons, and keep the scale marks above 24 px.
This is the black outline version of the thermometer icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
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