MetraNest
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Contact MetraNest

Have a question about a calculation or a correction to suggest?

Report a calculation error

Include the page, the values you entered and the expected result. A sharing link lets us open the calculation without sending your project name.

Write to the publisher

Your data stays yours

Do not include private contact details or personal documents. You do not need an account to use MetraNest’s tools.

Transparent funding

Any revenue from advertising or commercial activity leaves the calculation’s formulas and assumptions unchanged.

See MetraNest’s method · Funding

Find the right tool

Your privacy

Your dimensions and projects stay on this device. Sharing links contain calculation inputs in the part of the address after #.

Essential functions

A project is saved only when you ask.

Always available

No analytics service is active.

No ads are served. The account identifier may be present to allow Google to review the site.

Learn more and delete my local data

Add to a project

A project with the same name groups your calculations. The save remains in this browser. Export a JSON copy to keep it elsewhere.

Share this calculation

This link contains the displayed inputs, without your project name. Copy it to reopen the same calculation.