Outdoor Safety Tools

Safety First: Always check current weather and official sources. In emergencies, call 911.

Wind Chill Calculator

Calculate how cold it actually feels with wind factored in. Essential for cold weather hiking and winter mountaineering. Know when frostbite risk increases.

Heat Index Calculator

Calculate the heat index combining temperature and humidity. Shows NWS danger levels and heat safety recommendations. Know when conditions become extreme.

UV Exposure Calculator

Determine how long you can safely stay in the sun based on UV index and skin type. Calculate safe exposure time and SPF requirements for outdoor activities.

Altitude Sickness Calculator

Assess your altitude sickness risk based on elevation gain and acclimatization. Essential for mountain climbers and high-elevation hikers. Know your risk level before climbing.

Daylight Hours Calculator

Find exact sunrise, sunset, and twilight times for any location and date. Plan your outdoor activities around available daylight. Never be caught hiking in darkness.

GPS Coordinate Converter

Convert GPS coordinates between decimal degrees, DMS, and DDM formats. Essential for backcountry navigation. Use with any GPS device or mapping app.

Campfire Wind Checker

Check wind conditions and determine if it’s safe to build a campfire. Know when fire danger is too high. Essential for Leave No Trace camping practices.

About Mark Spencer

Mark Spencer is the founder of Adventure Hidden and a wilderness safety instructor with 15+ years of experience. Certified in Wilderness First Aid, Mark created these tools to help adventurers make informed decisions about weather, altitude, and environmental conditions.