Angle calculator
Percent Grade to Gradians Converter
Convert percent grade (grade) to gradians (grad) with the exact angle formula, worked examples, and a common-values table.
Exact conversion
Percent Grade to gradians formula
grad = convert arctan(grade ÷ 100) from degrees to grad
1 grade equals 0.636598553 grad. 10 grade equals 6.34510349 grad.
About these units
- grade
- Percentage grade, often used for slopes and ramps.
- grad
- Gradians, used in some surveying contexts.
Common grade to grad values
| grade | grad |
|---|---|
| 1 grade | 0.636598553 grad |
| 5 grade | 3.18045025 grad |
| 10 grade | 6.34510349 grad |
| 25 grade | 15.5958261 grad |
| 50 grade | 29.5167235 grad |
Formula
Percent Grade to gradians formula
grad = convert arctan(grade ÷ 100) from degrees to grad
1 grade equals 0.636598553 grad. 10 grade equals 6.34510349 grad.
FAQs
How do I convert percent grade to gradians?+
Use this formula: grad = convert arctan(grade ÷ 100) from degrees to grad. Enter the grade value and the calculator applies the relationship immediately.
How many grad are in 1 grade?+
1 grade equals 0.636598553 grad.
What is 10 grade in grad?+
10 grade equals 6.34510349 grad. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert gradians back to percent grade?+
Yes. Use Swap in the converter to reverse the units and calculate grad to grade.
How does the Percent Grade to Gradians Converter calculate the result?+
It uses the Percent Grade to gradians formula: grad = convert arctan(grade ÷ 100) from degrees to grad. 1 grade equals 0.636598553 grad. 10 grade equals 6.34510349 grad.
What information do I need to use the Percent Grade to Gradians Converter?+
Convert percent grade (grade) to gradians (grad) with the exact angle formula, worked examples, and a common-values table.
Angle guide
How to use the Percent Grade to Gradians Converter
Convert percent grade (grade) to gradians (grad) with the exact angle formula, worked examples, and a common-values table. The page also explains the percent Grade to gradians formula and shows a practical example: 1 grade equals 0.636598553 grad. 10 grade equals 6.34510349 grad.
- 1
Enter your details
Enter the source value, then choose the units or values you want to convert.
- 2
Check the calculation
Review the result alongside the percent Grade to gradians formula: grad = convert arctan(grade ÷ 100) from degrees to grad.
- 3
Compare scenarios
Change one or more inputs to see how they affect the percent Grade to Gradians Converter result before you use the estimate.
Was this calculator useful?
0/1200