Mahr vs Sealey:Which is more popular?
In September 2026, Mahr had more branded searches than Sealey among micrometer brands worldwide. Mahr had about 33,400 branded searches, while Sealey had 14,800. Mahr made up 14% of all micrometer brand searches we track, and Sealey accounted for 6.2%. When we asked ChatGPT and Google AI Overviews about micrometer brands, Mahr appeared in three of the five answers and Sealey in none.
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Top micrometer brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mahr was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Sealey did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Mitutoyo5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Fowler3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Mahr3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Starrett3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
iGaging2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sealey0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Moore & Wright0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Draper0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about micrometer brands
5 answers
Asked ChatGPT
“Which micrometer brand should I buy?”
Asked ChatGPT
“What are the best micrometer brands?”
Asked ChatGPT
“What's the best micrometer brand for precise measurements?”
Searched Google, AI Overview
“outside micrometer”
Searched Google, AI Overview
“digital micrometer”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Mahr or Sealey more popular in search?
This chart shows how often people search Google for Mahr and Sealey by name. Each line represents a brand's share of searches for all eight micrometer brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Mahr, Sealey. The figures are in the table below the chart.
View monthly share of searches table
| Month | Fowler | Mitutoyo | Mahr | Starrett | Sealey | iGaging | Moore & Wright | Draper |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 40.1% | 33% | 10% | 9.9% | 5.4% | 1.1% | 0.47% | 0.01% |
| Nov 2025 | 36.3% | 36.3% | 11% | 8.9% | 5.9% | 1.2% | 0.52% | 0.01% |
| Dec 2025 | 49.2% | 27% | 9.9% | 8.1% | 4.4% | 1.1% | 0.36% | 0.01% |
| Jan 2026 | 40.9% | 33.6% | 10.2% | 8.3% | 5.5% | 1.1% | 0.48% | <0.01% |
| Feb 2026 | 36.8% | 30.1% | 16.6% | 9% | 6% | 0.98% | 0.53% | 0.02% |
| Mar 2026 | 40.1% | 33% | 12.1% | 8.1% | 5.4% | 0.87% | 0.47% | <0.01% |
| Apr 2026 | 43.7% | 29.4% | 10.9% | 8.8% | 5.9% | 0.95% | 0.4% | 0.02% |
| May 2026 | 43.7% | 29.4% | 10.9% | 8.8% | 5.9% | 0.95% | 0.4% | 0.02% |
| Jun 2026 | 38.9% | 31.8% | 11.8% | 9.5% | 6.4% | 1% | 0.56% | 0.01% |
| Jul 2026 | 39% | 31.9% | 11.8% | 9.6% | 6.4% | 0.82% | 0.56% | <0.01% |
| Aug 2026 | 37.2% | 30.4% | 16.8% | 9.1% | 5% | 0.99% | 0.53% | <0.01% |
| Sep 2026 | 38% | 31.1% | 14% | 9.3% | 6.2% | 0.8% | 0.55% | 0.02% |
How has the Mahr and Sealey comparison changed over the last 12 months?
3 findings
- Mahr was ahead of Sealey in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Mahr’s share of searches among micrometer brands worldwide moved from 10% to 14%, and its estimated monthly branded searches moved from 27.4K to 33.4K.
- Across the 12 months ending September 2026, Sealey’s share of searches among micrometer brands worldwide moved from 5.4% to 6.2%, and its estimated monthly branded searches held steady at 14.8K.
How did search popularity change for micrometer brands worldwide in September 2026?
2 changes
In September 2026, Sealey gained share of searches among micrometer brands worldwide, from 5% to 6.2%.
In September 2026, Mahr lost share of searches among micrometer brands worldwide, from 16.8% to 14%.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Mahr’s and Sealey’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among micrometer brands
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