⛰ ClimbingCore
⛰

Mountain Project Tools

A collection of 10 lightweight climbing tools built as single-file HTML pages. Fast, mobile friendly, and instant in the browser — no backend, no frameworks, no nonsense.

Open Grade Converter View GitHub Repo
Grades

Climbing Grade Converter

Convert climbing grades using a JSON-backed comparison table.
Training

Training Volume Calculator

Estimate weekly and monthly climbing volume from sessions and problem count.
Routes

Route Finder Helper

Match style, difficulty, and location to a route suggestion.
Strength

Strength Score Calculator

Get a rough climbing strength score from pull-ups, hangs, and bodyweight.
Training

Hangboard Timer Generator

Build a hang/rest plan and run a browser timer.
Explore

World Climbing Area Explorer

Learn quick descriptions of famous climbing areas around the world.
Trips

Mountain Project Trip Planner

Estimate route totals and pacing across your trip days and rest days.
Fitness

Calories Burned Estimator

Estimate climbing calories from weight, time, and intensity.
Routes

Route Difficulty Predictor

Predict a difficulty band from wall angle, hold size, and route length.
Log

Session Log Calculator

Turn routes, attempts, and send rate into a simple session score.
Part of the Mountain Project Tools