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Full Product Description

Calculated Industries 8025 Ultra Measure Master

Professional Grade U.S. Standard To Metric Conversion Calculator

The Ultra Measure Master is the most complete and easy-to-use U.S. Standard to Metric conversion calculator available for Engineers, Architects, Construction Pro's, Scientists and Students. Convert more than 60 imperial and Metric (si) units – over 400 conversion combinations with a touch of a few buttons! Forget complex scientific calculators or memorizing conversion formulas! The Ultra Measure Master meets federal highway metrication requirements.

*Note: (si) is the International System of Units, or metric system.

Learn more about this product here: Ultra Measure Master Intro and How To Use

Over 400 Conversion Combinations

More than sixty Standard U.S. and Metric Units Built-in! Easily Calculate Linear, Area and Volume Measurements

Dimensional Math and Conversions

More than Sixty Standard and Metric (SI) units built-in for fast, reliable conversions on the job or in the office. Over 400 conversion combinations!

Works in and convert between Feet, Inches, Fractions, Yards, Meters, Centimeters and Millimeters – including Square and Cubic formats.

Dedicated Functions:

  • Linear: Feet-Inch-Fractions or Yards, Miles, Decimal Feet/Inch Fractions, Millimeters, Centimeters, Meters and Kilometers.
  • Area: Feet-Inch-Fraction, Yards, Acres, Square-Miles, Millimeters, Centimeters and Meters, Hectares, Square-Kilometers.
  • Volume: Cubic Feet, Inch, Yards, Acre-Feet, Board Feet, Millimeters, Centimeters, Meters, Kilometers, Miles, Gallons, Liters, and Fluid Ounces.
  • Weight: Pounds, Dry Ounces, Tons, Metric Tons, Grams and Kilograms.
  • Weight per Volume: Tons per Cubic Yard, Pounds per Cubic Yard, and Kilograms per Cubic Meter.
  • Linear Velocity: Inches and Feet per Second, Feet per Minute, Miles per Hour, Minute and Hour, Millimeters and Meters per Second /Minute and Kilometers per Hour.
  • Flow Rate: Ounces per Second, Gallons per Minute, Milliliters and Liters per Second.
  • Pressure: Pounds per Square Inch (PSI), Pounds per Square Foot (PSF), kilo-Pascal, mega-Pascal and Bars.
  • Bending Moment: Inch-Pounds, Foot-Pounds and Newton Meters.
  • Temperature: Fahrenheit (°F) and Centigrade (°C).

Added Features:

  • User Preferences – Set custom options: Fractions, Area, Volume.
  • Cost per Unit: Solve unit cost and pricing.
  • Backspace Key: Easily correct entry errors.
  • "Paperless" Tape: Allows review of the last 20 entries; double-check totals.
  • Standard Calculations: works as a math calculator with %, +, -, x, ÷, +/- Π, 1/x, X2, and √.
  • Includes Protective 360° Hard Cover Door.

Tech Specs:

  • Size: 5.7” x 3.0” x 0.65” (145 mm x 76 x 17 mm).
  • Weight: 4.15 oz. (117.7 gm).
  • Pocket Reference Guide (located inside back cover).
  • Power: Single 3-Volt Lithium Battery (CR-2016).
  • Display: Type: LCD, 11 Digits (7 Normal, 4 Fractions) with Full Annunciators.
  • Dimensions: 0.73” x 2.56” (19 mm x 65 mm).
  • Accuracy: 12 Digit Internal Accuracy.

Words from our fantastic customers.

Still not convinced? Check out our reviews!

Amy S.

High School Math Teacher

I have ordered calculators from Underwood Distributing for so many years that I have last track of the time. They are always quick to answer my emails and they get the product I need shipped out asap! 10/10

Mandee P.

Middle School Math Teacher

I teach middle school and wanted reliable calculators, at a good priced, and in a distinct color so everyone knows who they belong to. They were well-packed and arrived quickly! I am so pleased with my purchase and will keep this company in mind for future needs.

Math Teacher

Fort Zumwalt School District

My current order of graphing calculators was placed and ordered so quickly. Underwood Distributing Company made this process easy and I appreciate the timeliness along with the great price.

Underwood Distributing Co.

Discover more in our FAQs

How do I cancel or edit an order?

Because orders are processed and shipped within 0–2 business days, it's important to reach out to us as quickly as possible if you need to cancel or make a change. The best way to do this is to contact us directly:

Please include your order number and the change or cancellation you need. We're a small, flexible business and will do everything we can to accommodate your request before your order ships. Once an order has shipped, it cannot be cancelled, and you would need to follow our standard return process instead.