DiveCalc logoDiveCalc

Diving Tools & Calculators

A collection of calculators and tools for recreational and technical divers. Quick and easy calculations for gas management, decompression, and more.

Explore Guides
Dive Tools

Tools & Calculators

Find the right tool for your diving calculations

Nitrox MOD Calculator
Gas Management
Calculate Maximum Operating Depth for Nitrox gas mixes with PPO2 safety limits.
SAC Rate Calculator
Dive Planning
Calculate your Surface Air Consumption rate from dive data for better gas planning.
SAC Rate & RMV Calculator
Dive Planning
Calculate SAC rate from dive data and convert to RMV for tank-independent gas planning.
Gas Consumption Planner
Dive Planning
Plan dive gas requirements from breathing rate, depth, and time with reserve-aware limits.
Dive Unit Converter
Dive Planning
Quickly convert pressure (psi/bar), distance (ft/m), and weight (lb/kg) without changing unit preferences.
Diving Education

Guides & Articles

Fast reads for safer planning.

Understanding MOD: Maximum Operating Depth Explained
Learn what Maximum Operating Depth means, how MOD is calculated from oxygen percentage and PPO2 limits, and how to apply it in real dive planning.
Read guide
What is Nitrox? A Complete Guide for Divers
Learn what Nitrox is, how enriched air works, its benefits and risks, and why divers choose it.
Read guide
Understanding SAC Rate: Why It Matters for Every Diver
Learn what Surface Air Consumption rate is, how to calculate it, and tips to improve your breathing efficiency underwater.
Read guide

Suggest a Tool

Have an idea for a diving calculator or tool? We'd love to hear from you!

Coming Soon

Exciting new tools in development

Multi-gas Deco Planner
Dive Planning
Technical dive planner that generates precise decompression schedules
Equipment Service Tracker
Equipment
Track maintenance schedules for your diving equipment
Gas Blending Utility
Equipment
Calculate optimal gas mixes for nitrox, trimix, and top-ups
Diver Profile Page
Community
Upload your dive log, share your experiences and equipment setup
Interactive Dive Map
Community
Visualize your logged dives on an interactive world map with site details
Digital Certification Wallet
Community
Store and share your diving certifications across all agencies in one place
Checklist Builder
Planning
Discover, adopt, create, customize, and share pre-dive and gear checklists with your team

Stay Updated

Get notified about all new tools, updates, and announcements