# Spill Calc - Pro

> Mobile tool for fast, reliable spill volume estimations for oil & gas and environmental professionals. (iPhone/iPad app by Kelly Gayneaux.)

- Source: https://appshunter.io/ios/app/spill-calc-pro/id1554282536 (this page in markdown: same URL + `.md`)
- Developer: [Kelly Gayneaux](https://appshunter.io/developer/1082576429)
- Category: Productivity, Utilities
- Price: $2.99
- Rating: 4.00/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 1 MB
- Languages: English
- Released: 2021-02-19
- Data updated: 2026-08-20
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/spill-calc-pro/id1554282536/reviews.md

## What is Spill Calc?

Spill Calc Pro is your all-in-one mobile tool for fast, reliable spill volume estimates — built for real-world field use. Designed for oil & gas professionals, environmental responders, and site managers, it helps you quickly calculate liquid spill volumes across multiple shapes and ground conditions.

Key Features:
Fast Calculations – Enter dimensions and get instant results in barrels and gallons
Multiple Spill Types – Standing liquid, saturated soil, and contained areas
Mixed Fluid Support – Calculate oil and water splits with ease
Tank Displacement – Account for equipment inside containment areas
Section-Based Tracking – Break spills into multiple sections for accuracy
Save & Organize – Keep a history of spills for reporting and compliance
Export & Share – Generate clean reports via text or email
Built-In Help – Quick guidance when you need it in the field

Whether you’re handling a small containment or a large-scale incident, Spill Calc Pro simplifies the math and delivers answers fast—so you can stay focused on the job.

## Key features

- Fast spill volume calculations
- Multiple spill types supported
- Mixed fluid calculations
- Tank displacement accounting
- Section-based spill tracking
- Save and organize spill history
- Export reports via text or email

## Chart rankings

- #186 in Top Paid · Productivity (US App Store)

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/spill-calc-pro/id1554282536/reviews.md

### 2/5 — Needs Work

*2023-02-14*

There appears to be something wrong with the calculator when using the Saturated Soil model in that the spill quantity is much less than when spilt on a non porous surface.

Also it would be very helpful if there was some typical values for spill depth when not enclosed.

Finally, the screen shot function does not seem to work.

## Frequently asked questions about Spill Calc

### What is Spill Calc Pro used for?

Spill Calc Pro is a mobile application designed to quickly and reliably estimate liquid spill volumes in real-world field conditions. It assists professionals in the oil and gas industry, environmental response, and site management.

### What types of spills can Spill Calc Pro calculate?

Spill Calc Pro supports calculations for standing liquid, saturated soil, and contained areas. It also offers mixed fluid support for oil and water splits and can account for tank displacement.

### Can I save and export my spill calculations with Spill Calc Pro?

Yes, Spill Calc Pro allows you to save and organize a history of your spills for reporting and compliance. You can also export clean reports via text or email directly from the app.

### What devices is Spill Calc Pro available on?

Spill Calc Pro is available for iPhone and iPad devices, indicated by its support for both platforms.

### How much does Spill Calc Pro cost?

Spill Calc Pro is a paid application, with a price of $2.99. It does not feature in-app purchases or advertisements.

### How often is Spill Calc Pro updated?

The latest version of Spill Calc Pro is 2.2.0, last updated on April 10, 2026. This indicates a recent update, suggesting ongoing support and development.

### What is the age rating for Spill Calc Pro?

Spill Calc Pro has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be involved in or learning about field operations.

### Does Spill Calc Pro have ads?

No, Spill Calc Pro is ad-free. The application does not contain advertisements, ensuring an uninterrupted user experience.

## Version history (last 3 releases)

### 2.2.0 — 2026-04-10

Major accuracy and usability improvements in this release.

New: Edit saved spills for easier updates and corrections
Improved accuracy for mixed fluid spill calculations (oil & water separation)
Fixed tank displacement calculations for more reliable totals
Enhanced multi-section spill tracking and reporting
Refined user interface for faster, easier use in the field
General bug fixes and performance improvements

### 1.1.0 — 2025-05-05

Added the ability to save multiple sections under a single spill
Introduced a Notes feature to capture custom details for each spill
Enhanced the Saved Spills section with text and email sharing options
Updated help documents with clear instructions for new features
General performance improvements and minor bug fixes

### 1.0.0 — 2021-02-20

No release notes.

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## More apps by Kelly Gayneaux

- [Gas Volume Calc](https://appshunter.io/ios/app/gas-volume-calc/id1082576430)
- [Spill Calc Lite](https://appshunter.io/ios/app/spill-calc-lite/id1089421597)
- [Kill String Estimator](https://appshunter.io/ios/app/kill-string-estimator/id1102233434)
- [Workover Assistant](https://appshunter.io/ios/app/workover-assistant/id1117692519)
- [Volume in Pipe](https://appshunter.io/ios/app/volume-in-pipe/id1582068096)

All apps by Kelly Gayneaux: https://appshunter.io/developer/1082576429

## Related topics

[osrap](https://appshunter.io/ios/topics/osrap)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*