Conversion family

Angle conversion calculators

Use angle conversions for geometry, trigonometry, surveying, ramps, slopes, and grades.

These 35 guides cover the most commonly searched unit pairs. Each page includes the exact relationship, worked values, and a reverse-conversion path.

Arcminutes to Arcseconds Converterarcmin to arcsec Arcminutes to Degrees Converterarcmin to deg Arcminutes to Gradians Converterarcmin to grad Arcminutes to Percent Grade Converterarcmin to grade Arcminutes to Radians Converterarcmin to rad Arcseconds to Arcminutes Converterarcsec to arcmin Arcseconds to Degrees Converterarcsec to deg Arcseconds to Gradians Converterarcsec to grad Arcseconds to Percent Grade Converterarcsec to grade Arcseconds to Radians Converterarcsec to rad Degrees to Arcminutes Converterdeg to arcmin Degrees to Arcseconds Converterdeg to arcsec Degrees to Gradians Converterdeg to grad Degrees to Milliradians Converterdeg to mrad Degrees to Radians Converterdeg to rad Degrees to Revolutions Converterdeg to rev Gradians to Arcminutes Convertergrad to arcmin Gradians to Arcseconds Convertergrad to arcsec Gradians to Degrees Convertergrad to deg Gradians to Percent Grade Convertergrad to grade Gradians to Radians Convertergrad to rad Milliradians to Degrees Convertermrad to deg Percent Grade to Arcminutes Convertergrade to arcmin Percent Grade to Arcseconds Convertergrade to arcsec Percent Grade to Degrees Convertergrade to deg Percent Grade to Gradians Convertergrade to grad Percent Grade to Radians Convertergrade to rad Radians to Arcminutes Converterrad to arcmin Radians to Arcseconds Converterrad to arcsec Radians to Degrees Converterrad to deg Radians to Gradians Converterrad to grad Radians to Percent Grade - Slope Calculatorrad to grade Revolutions to Degrees Converterrev to deg Revolutions to Radians Converterrev to rad Rise to Percentage Grade Converterdeg to grade

How to use angle conversions

Choose the guide whose source unit matches the value you already have and whose target unit matches the format you need. Enter the value without rounding it first, review the displayed relationship, and round only the final answer to the precision your task requires. Popular starting points in this family include Arcminutes to Arcseconds, Arcminutes to Degrees, Arcminutes to Gradians.

Angle conversions are useful in geometry, surveying, navigation, machining, and slope work. Degrees, radians, gradians, arcminutes, and arcseconds describe the same rotation with different scales; grade or slope values may use a tangent relationship instead of a simple multiplier. Unit symbols can be case-sensitive, and similarly named units may belong to different systems, so check the label as well as the abbreviation before relying on the result.

Keep the original value at full precision until the final step.
Confirm the unit symbol, system, and measurement type.
Use the reverse guide to check that the result returns to the starting value.

Measurement context

Confirm the measurement type before converting

Exact unit factors work best when the source and target units describe the same kind of measurement and the source convention is clear.

Check the unit symbol, full unit name, and measurement family before entering a value.
Keep the original number unrounded until the final result.
Use the reverse guide or a known reference value to sanity-check important results.