Free trail tools

Hiking Calculators

Seven free tools to plan your hike. Pick your question, get a number you can check.

  • Free, no sign-up
  • Reliable, verifiable results
  • Imperial and metric

Plan the route

Flat illustration of a trail slope with a flag at the top and an arrow showing the height gained

Elevation Grade Calculator

How steep, how hard and how long?

Flat illustration of a green rain jacket with a rain cloud and the sun beside it

What to Wear Hiking

What to wear and bring for this hike?

Pack and fuel

Flat illustration of a water bottle with level marks and a water drop

Hiking Water Calculator

How much water to carry?

Flat illustration of an orange flame standing for calories burned on a hike

Hiking Calorie Calculator

How many calories will I burn?

Flat illustration of a green hiking backpack with a front pocket

Backpack Weight Calculator

How heavy should my pack be?

Fit your gear

Flat illustration of a green hiking boot standing on a ruler

Hiking Shoe Size Converter

What is my size in EU, UK or cm?

Flat illustration of two trekking poles next to an arrow showing pole length

Trekking Pole Height Calculator

How long should my poles be?

Open mathEvery answer shows the arithmetic behind it.

Named sourcesShenandoah National Park, ACSM, USDA Forest Service.

TestedEach tool is checked against its formula before it goes live.

Not sure where to start? Begin with the route.

Open the grade calculator