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Profile Grade Calculator
Work out the gradient of a road, trail or ramp from rise and run.
⛰️ Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Grade
Compare Your Options And Get Clear Answers
Work out the gradient of a road, trail or ramp from rise and run.
Profile Grade Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Grade = rise / run x 100.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Profile Quick Guide
Typical values for reference.
| Grade | Angle | Feel | Use |
|---|---|---|---|
| 2% | 1.1 deg | Flat | Drainage |
| 5% | 2.9 deg | Gentle | Roads |
| 8.3% | 4.8 deg | Ramp limit | Access ramp |
| 15% | 8.5 deg | Steep | Hills |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Profile Grade Calculator FAQ
Answers to common questions about this calculator.
Divide rise by run and multiply by 100.
It gives a quick estimate of profile grade from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.