Tools / Engineering calculator

Engineering calculator

Quick estimates with scientific functions, a 1.5 safety factor key and metre-to-feet conversion. Type with your keyboard and press Enter.

For learning and quick checks only. Not for design or construction.

SF ×1.5 works out the expression and multiplies the result by a safety factor of 1.5, for rough load estimates. m→ft converts a length in metres to feet.

You can also type: asin, acos, atan, abs, log (base 10), ln, e, and a decimal comma. Angles are in degrees unless you switch to RAD.

MethodExpression parser, 10 significant digits

UnitsAs entered

Not for construction

For learning and quick checks only. Results are not verified by a qualified engineer and must not be used for design, construction or any other professional decision. No guarantee is given for accuracy or completeness.