About MyCalculator.to

What this site is

MyCalculator.to is a collection of 393 single-purpose tools across 14 categories: mortgages and macros, tile layouts and time zones, dew points and dosages. Each one is a plain web page. No account, no paywall, no upload step, no "sign up to see your result".

Every tool page shows more than a number. It explains the formula it used, walks through the steps, and answers the questions people actually ask about that calculation. If a result depends on an assumption, whether that is a compounding frequency, a metabolic equation or a rounding rule, the page says which one it picked.

Who makes it

MyCalculator.to is powered by &Pixels, an independent studio that builds and maintains the site.

It is a small project rather than a content farm. There is no editorial team churning out pages and no AI-generated filler. Each tool was built deliberately, and every formula was looked up in a published source rather than guessed.

Where the numbers come from

Formulas are taken from published standards and named methods rather than invented, and the page tells you which one it used. Among the sources behind the current catalogue:

• Units and constants: NIST Special Publication 811 for unit definitions and conversion factors.
• Health and fitness: Mifflin-St Jeor and Harris-Benedict for metabolic rate, Devine for ideal body weight, Naegele's rule for due dates, Widmark for blood alcohol, with CDC and WHO reference ranges.
• Finance and tax: published IRS brackets and limits, and Social Security Administration figures, for the year each page names.
• Food and agriculture: USDA data for nutrition, canning and growing-season guidance.
• Weather: NOAA formulas for heat index, wind chill and dew point.

What happens to what you type

Nothing you type into a calculator is saved. Not by us, not anywhere. The maths runs in your browser, in JavaScript, on your device. Your salary, your weight and your loan balance never leave the page. Close the tab and it is gone. There is no account to hold it against and no database it lands in.

One tool needs the outside world, and it is worth naming rather than burying. The currency converter asks our server which two currencies you picked, so it can fetch the day's published rate. The amount you are converting is not part of that request. It is multiplied by the rate on your own device.

The only information we ever receive is what you deliberately send: a message through the contact form, or an email address if you subscribe to the newsletter. Site analytics record which pages are visited and where people click, never the contents of a calculator. The privacy policy spells all of that out.

Keeping it current

Some numbers expire. Tax brackets, contribution limits and benefit figures change every year, and a calculator quietly running last year's numbers is worse than no calculator at all. Pages that depend on year-specific figures say which year they use, and each page publishes the date it was last updated, visible in its structured data and in our sitemap. Year-sensitive tools are reviewed each January.

Where not to rely on this

These are calculators, not advice. A dosage tool does not know your patient, a tax estimator does not know your full return, and a blood alcohol estimate cannot tell you whether you are safe to drive, because individual metabolism varies far too much for that. For anything medical, legal, financial or safety-critical, use these to understand the shape of the problem, then talk to someone qualified who knows your specifics.

Found a mistake?

Please tell us. A wrong formula is a bug, and we would rather hear about it than leave it live. If you can point at the source that says otherwise, better still. Use the contact form. Corrections get made, and the page's updated date moves with them.