# SAC Rate Scuba

> SAC RMV Gas Runtime

Canonical page: [https://chrome-stats.com/d/id6768101622](https://chrome-stats.com/d/id6768101622)

## Overview

- **ID:** `id6768101622`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 光 杨
- **Category:** Utilities
- **Version:** 1.0.2
- **Last updated:** 2026-09-14
- **First published:** 2026-05-12
- **Size:** 2.86 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sac-rate-scuba/id6768101622)
- **Privacy policy:** [https://apple-privacy-sites.pages.dev/apps/sac-rate-scuba/privacy/](https://apple-privacy-sites.pages.dev/apps/sac-rate-scuba/privacy/)

## Description

Review SAC and RMV from manual dive numbers, then keep the check for later.

Finish a manual post-dive gas check in one place: enter your dive numbers, see SAC or RMV, and keep the result for the next review. Switch to gas-needed or runtime math when you need a second reference calculation.

Use it to:

- calculate SAC pressure rate and surface RMV from manual dive data
- backsolve gas needed and minimum start pressure from RMV, depth, time, and reserve
- estimate cylinder runtime from RMV, depth, start pressure, and reserve
- switch between imperial and metric units plus salt or fresh water assumptions
- review saved SAC checks in the local SAC History view

SAC Rate Scuba is a manual reference calculator only. It does not replace a dive computer or formal dive planning and does not provide decompression planning, no-decompression limits, GPS, live tank integration, emergency decision support, or certification guidance.

## Rankings

- #1,337,201 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6768101622)