---
title: "Grade Percentage Calculator - Running Hills Explained | TrainPace"
description: "Grade percentage calculator for running. Learn what grade % means, how to spot steep climbs, and why grade matters more than total elevation gain."
url: https://trainpace.com/elevationfinder/guides/grade-percentage-calculator
---

# Grade Percentage Calculator (Running)

Grade percentage calculator for running. Learn what grade % means, how to spot steep climbs, and why grade matters more than total elevation gain.

Grade is the most useful way to describe how steep a hill feels. Use grade % and climb length to plan pacing and effort.

- What grade % means
- Why 3% vs 8% feels wildly different
- Use grade + length to plan effort

- [Analyze a Route](https://trainpace.com/elevationfinder)

## Other TrainPace tools

- [Pace Calculator](https://trainpace.com/calculator) — training paces from a recent race result
- [VDOT Calculator](https://trainpace.com/vdot) — fitness score and equivalent race times
- [Training Plan Builder](https://trainpace.com/plan) — week-by-week 5K to marathon plans
- [Race Fuel Planner](https://trainpace.com/fuel) — carbs per hour and gel counts
- [Elevation Finder](https://trainpace.com/elevation-finder) — GPX route and climb analysis

## For AI agents

Every page on this site has a Markdown mirror at the same path with a .md suffix (for example /calculator.md), and honors an Accept: text/markdown request header on the HTML URL. The calculations here are also available as callable tools through a free public MCP server — no account or API key.

- [llms.txt](https://trainpace.com/llms.txt) — site index for agents
- [llms-full.txt](https://trainpace.com/llms-full.txt) — every page's Markdown in one file
- [MCP server docs](https://trainpace.com/mcp) — endpoint, tools, and client setup