Sam Gorman

Convert millions to thousands fast, see the full number, and use a reverse check to avoid place-value mistakes.

Convert millions, billions, or a plain number using the US short scale. See billions, millions, full number, and scientific notation.

Convert euro cents to euros or euros to cents with clear rounding, exact values, and easy-to-read results.

Convert billions to trillions fast and see the full number, scientific notation, and a reverse check in billions.

Find a real size, drawing or model size, or 1:N scale. Convert mixed length units and correct reduced or enlarged prints.

Convert latitude and longitude to UTM with zone, band, hemisphere, easting, northing, and matching EPSG code.

Convert coordinates between DMS and decimal degrees with latitude and longitude checks, rollover handling, and copy-ready formats.

Convert DD, DMS, DDM, and UTM coordinates for one location with order checks, warnings, and clear WGS84 results.

Convert torr to atm or atm to torr. Check the conversion factor and see whether pressure is above or below 1 atm.

Calculate mechanical horsepower from torque and RPM, or find matching torque or RPM at the same operating point.