How to Convert Coordinates Manually
Want to convert Degrees, Minutes, and Seconds into a simple Decimal without a calculator? Here is the formula.
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Convert Coordinates in Seconds (No Setup Needed)The Simple Explanation
To convert DMS to Decimal Degrees: Take the Degrees. Divide the Minutes by 60. Divide the Seconds by 3600. Add them all together.
Real World Example
For 40 30' 36" -> 40 + (30/60) + (36/3600) = 40 + 0.5 + 0.01 = 40.51 Decimal Degrees.
Pro Tip
When entering coordinates into map apps, always double-check if there is a negative sign (-). Missing a negative sign on longitude will place you on the opposite side of the planet!
Frequently Asked Questions
Is manual conversion accurate?
Yes, but it is incredibly easy to make a typo. We highly recommend using an automated tool to prevent critical errors.