FDR Calculator
Tools In-app purchases
Fire Danger Rating Calculator for wild fire management
- Downloads
- 1.5K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Jun 7
- 2026 · v3.2.0
Screenshots
About FDR Calculator
Calculate Fire Danger Ratings instantly with precision and confidence. Designed for fire management professionals, land managers, and safety authorities who need accurate fire risk assessments in the field.
📊 Real-Time FDR Calculation
- Instant Fire Danger Index calculations based on weather conditions
- Professional-grade algorithms for accurate risk assessment
- Visual color-coded danger levels (Blue, Green, Yellow, Orange, Red)
🎯 Interactive Gauge Display
- Beautiful visual gauge showing current fire danger level
- Intuitive interface with easy-to-read results
- Tap gauge for detailed action recommendations
📋 Comprehensive Action Guidance
- Detailed recommendations for each danger level
- Fire behavior predictions and suppression strategies
- Prevention guidelines and aircraft management protocols
- Disaster management procedures for high-risk conditions
🌡️ Weather Input Controls
- Temperature, humidity, and wind speed sliders
- Days since rain and rainfall amount tracking
- Precise manual input options for exact values
- Real-time calculation updates as you adjust parameters
🎯 Perfect For
- Fire management authorities
- Emergency services personnel
- Land and forest managers
- Agricultural professionals
- Safety and risk assessment teams
- Anyone responsible for fire prevention planning
🛡️ Privacy-First Design
- All calculations performed locally on your device
- No personal data collection or transmission
- Works completely offline - no internet required
What’s new
Version 3.2.0 · Updated June 7, 2026
• More accurate Fire Danger Ratings, especially during dry spells • New: a Today summary with the day's high/low and peak fire danger • New weather source option: OpenWeatherMap • Faster, more accurate location search with cleaner place names • Refreshed Settings and smoother, more reliable startup • New option to clear cached data • Performance, security, and stability improvements
User reviews
Very useful for a firefighter, thank you
This app will become a very handy tool to calculate the daily FDI. It seems the app is still being tweaked for a more accurate reading and better user experience. Few suggestions...amount for days since last rainfall needs to go beyond 30 days (seems default is 30 days and goes back to 30 if you enter a higher amoun...
Alternatives to FDR Calculator
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