Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Geography
Magnetic Declination Adjuster
Convert a compass (magnetic) bearing to a true bearing by applying the local magnetic declination. Essential for accurate navigation in hiking, sailing, and surveying where map bearings are true north.
Fill in the required fields to see your result.
Geography
Urban Sprawl Index Calculator
Measure urban sprawl by comparing the percentage growth of built-up urban area to population growth. Used by urban planners and geographers to assess land-use efficiency.
Fill in the required fields to see your result.
Key differences
| Magnetic Declination Adjuster | Urban Sprawl Index Calculator | |
|---|---|---|
| Category | Geography | Geography |
| Inputs required | 2 | 2 |
| Result | True Bearing (°) | Urban Sprawl Index |
| What it does | Convert a compass (magnetic) bearing to a true bearing by applying the local magnetic declination. Essential for accurate navigation in hiking, sailing, and surveying where map bearings are true north. | Measure urban sprawl by comparing the percentage growth of built-up urban area to population growth. Used by urban planners and geographers to assess land-use efficiency. |