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✦ Built for curious minds. Useful for everyone.GO / CONVERTIT · 01

Big questions.
Quick conversions.

Type it. Convert it. Get on with your day.
Measurements, money, dates and more—all in one place.

CONVERSION WORKBENCHConvertIt

Type a measurement and destination, or enter them separately below. Try 1/5 gallon to liter or 1 acre*foot to m^3.

YOUR ANSWER

Enter a conversion to see your answer.
Full result, related measurements and help →
Explore every recognized measurement with the full measurement catalog.
Explore the possibility

One website.
A world of answers.

ConvertIt isn't just one calculator. Discover a whole collection of practical tools—the everyday, the technical, and the pleasantly unexpected.

01 / THE ESSENTIAL

Everything starts
with a conversion.

Measurements for the kitchen, the road, the workshop and the lab.

1 in → 2.54 cm
Measurement conversionTry converter ↗
02

Financial calculators.

Calculate loan payments, savings, annuities and sales tax.

03

Dates & calendars.

Count calendar days and explore date tools.

Date & TimeTry dates ↗
04

The world of money.

Convert currencies using dated daily reference observations. Check the provider and date with your result.

$ · € · £ · ¥
Currency conversionTry currency ↗
05

It's a big world.

Three time zones, updated from your device.

Los Angeles—
London—
Tokyo—
World TimeDiscover ↗
06

Look closer. Learn more.

Explore the periodic table, atmosphere and body mass index tools.

Reference librarySee topics ↗
07

From here to anywhere.

Explore driving distances, flying distances and travel calculations.

Geography & travelExplore topics ↗
08 / THE DEEP DIVE

Handbook of Mathematical Functions.

Read original page scans with chapter and page navigation.

Mathematics libraryOpen the handbook ↗
09 / THINK DIFFERENTLY

There's more than one
way to do the math.

Explore number bases, expressions, arithmetic, Roman numerals and circle equations.

Math & number toolsExplore math ↗

No category matched. Try “loan,” “currency,” “time,” “science,” or “measurement.”

A little curiosity goes a long way

What will you convert next?

Whether you're planning a trip, cooking dinner, or comparing speeds, start with a real question.

Helpful answers.

How do I use Smart Convert?

Type a number, a starting unit, “to”, and the unit you want—for example, “12 inches to cm”. Your answer appears automatically. Select a suggestion with a tap or click, or use the arrow keys and Enter. Escape closes the suggestions. You can also enter From and To separately. The complete measurement catalog and converter help explain the accepted notation.

Which measurements can I convert?

Use the full recognized measurement collection, including compound units, prefixes, constants and specialized measurements. Browse recognized measurements and the converter help for accepted notation.

Are the currency exchange rates live?

Currency tools show daily reference rates with their actual observation dates. They are not real-time or transaction quotes. Banks and transfer services may apply different spreads and fees. Unavailable data is identified rather than replaced with sample values.

Can I use ConvertIt on my phone?

Yes. Enter a conversion in Smart Convert and find the answer directly below it. The unit controls are underneath. Use the navigation links to explore more tools, and choose Day or Night for a comfortable appearance.

Why am I not seeing a conversion result?

Check that you entered a number and two supported units that measure the same thing. For example, inches can convert to centimeters, but not to kilograms. Finish a partial unit or select a suggestion to continue.