Apps & calculators

Calculators and advisors that give you a concrete number before your workout, your tour or your next purchase. Every app runs in your browser, no sign-up needed.

Training & Health

Training & Health →

Calculator

Max heart rate & training zones

Estimate your maximum heart rate and five zones

Calculator

Protein calculator

How much protein a day suits your goal

Calculator

Pace & finish time calculator

Pace from distance and time, finish times from 5 km to marathon

Calculator

Health check

Exercise, strength and sleep in one score

Buying Guides

Buying Guides →

Advisor

Tent advisor

Tent size and design for your trip

Advisor

Rain jacket check

The hydrostatic head your rain jacket needs

Advisor

Sleeping bag temperature guide

The comfort rating your sleeping bag needs

Advisor

Backpack size guide

The backpack volume that suits your trip

Advisor

Layering assistant

The right layering system for outdoors

Planner

Gear setup builder

Backpack size and core kit for your activity

Calculator

Helmet size

The right helmet size from your head circumference

Calculator

Glove size

The right glove size from your hand measurement

Calculator

Ski pole length

The right pole length for your discipline

Calculator

Hiking pole length

The right pole length for trail and terrain

Advisor

Gear care assistant

Washing, drying and reproofing by material

SportFits Travel

SportFits Travel →

Advisor

Outdoor weather

Weather and an outdoor assessment for your trip

Checklist

Packing list builder

Your packing list for huts, tents and winter

Calculator

Wind chill & heat index

Feels-like temperature in wind or heat