Dive Tools & Calculators

Free scuba diving calculators and planning tools. Nitrox calculator, SAC rate calculator, pressure calculator, wetsuit guide, and more.

• Nitrox Calculator - EANx MOD & EAD - Free nitrox calculator for scuba divers. Calculate Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), partial pr
• SAC Rate Calculator - Surface Air Consumption - Calculate your Surface Air Consumption (SAC) rate and Respiratory Minute Volume (RMV). Enter your tank size, pressure, d
• Depth & Pressure Calculator - Dive Physics - See how pressure, gas volume, and density change at any diving depth. Includes no-decompression limits, partial pressure
• Wetsuit Thickness Guide - What to Wear Diving - Find the right wetsuit thickness for any water temperature. Enter the water temp and your cold tolerance for a personali
• Dive Trip Cost Estimator - Estimate the total cost of a scuba diving trip. Select your destination, duration, number of dives, and budget level for
• How Deep Can You Dive? Quiz - Find out your personalised maximum diving depth based on your certification, experience, gas mix, and comfort level. A q
• Dive Unit Converter - Bar to PSI, Metres to Feet - Free unit converter for scuba divers. Convert between bar and PSI, metres and feet, Celsius and Fahrenheit, litres and c
• Dive Weight Calculator - How Much Lead Do I Need? - Calculate how much weight you need for scuba diving. Enter your body weight, suit thickness, tank type, and water type f
• Wildlife Trip Finder - Plan Your Marine Wildlife Dive Trip - Select the marine species you want to see and we'll find the best dive destinations, optimal travel months, and build a