Parallelogram
Base and height to area, plus perimeter from the slant side.
How it works
Base and height to area, plus perimeter from the slant side. Enter your numbers and the result updates as you type — nothing is sent to a server.
Is this free?
Yes — no account, no ads, no limits.
How accurate is it?
It applies the standard formula shown on the page; rounding is to two decimals.
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