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How to Find Degrees and Minutes on Calculator

Reviewed by Calculator Editorial Team

Converting degrees to degrees and minutes is a common calculation in geometry, navigation, and astronomy. This guide explains how to perform this conversion accurately using a calculator and provides an interactive tool to help you practice.

What Are Degrees and Minutes?

The degree-minute-second (DMS) system is an alternative to decimal degrees for measuring angles. While decimal degrees express angles as a single decimal number (e.g., 45.5°), degrees and minutes break this down into degrees and minutes (e.g., 45°30').

One degree (°) is divided into 60 minutes ('). Each minute can be further divided into 60 seconds ("), though seconds are less commonly used in basic conversions.

For example, 45.5° in decimal degrees is equivalent to 45°30' in degrees and minutes.

How to Convert Degrees to Degrees and Minutes

To convert decimal degrees to degrees and minutes:

  1. Identify the whole number of degrees (the integer part of the decimal).
  2. Multiply the decimal part by 60 to convert it to minutes.
  3. Round the result to the nearest whole number for minutes.

Example Calculation

Convert 45.5° to degrees and minutes:

  1. Whole degrees: 45°
  2. Decimal part: 0.5 × 60 = 30'
  3. Final result: 45°30'
Degrees = floor(decimal degrees) Minutes = (decimal degrees - Degrees) × 60

Using a Calculator for Degrees and Minutes

Our interactive calculator simplifies the conversion process. Simply enter the decimal degrees you want to convert, and the calculator will display the equivalent degrees and minutes.

The calculator also provides a visual representation of the conversion using Chart.js, making it easier to understand the relationship between decimal degrees and degrees and minutes.

Common Uses of Degrees and Minutes

Degrees and minutes are commonly used in:

  • Navigation (latitude and longitude coordinates)
  • Surveying and land measurement
  • Astronomy (celestial coordinates)
  • Cartography (mapmaking)

FAQ

Why convert decimal degrees to degrees and minutes?

Degrees and minutes are often preferred in navigation and surveying because they provide a more precise way to express small angles compared to decimal degrees.

Can I convert degrees and minutes back to decimal degrees?

Yes, you can reverse the process by dividing the minutes by 60 and adding the result to the degrees.

What if the minutes calculation results in a decimal?

You can either round to the nearest whole number or keep the decimal for more precise measurements.