Observed arrival · 2026-09-29
UnitSheet: a spreadsheet that knows meters aren’t seconds
A unit-aware spreadsheet and public calculator that carry units through formulas, convert compatible quantities, and flag incompatible ones.
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- For
- Scientists, engineers, educators, and students working with measurements
- Worth noticing
- The page shows incompatible dimensions returning #UNIT, while compatible sums convert to the first term’s unit.
Field notes
The calculator examples show quantities surviving arithmetic: 25mi / 35min can produce mph, while adding meters to seconds yields a #UNIT error. The page also describes importing measurement CSVs whose headers can assign units, money, or prices to values, and defining a custom symbol such as 1 slab = 1 in. General signup is not yet open; the site says it is learning from testers.
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Editorial observations of this landing page, not a rating.
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