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Engine Calculator Plus

Engine Calculator Plus

Engine Specs Calculations

1 ratings
8 reviews
🔧 Utilities
📊 Productivity
$2.99

Details

  • Released
  • Updated
  • March 8, 2018
  • January 3, 2026

Features

Developer

Nitrio
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Engine Calculator Plus screenshot #1 for iPhone
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iphone
ipad
⭐8
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓8 answered
FAQ↘︎
📦~ in 3 years
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About

Calculate engine specifications for various car and plane engines, including displacement, compression ratio, and horsepower. Supports metric and imperial systems with a user-friendly interface and 3D engine visualization.

✓Engine displacement calculation
✓Compression ratio calculation
✓Horsepower estimation
✓Metric and Imperial support
✓3D engine display
✓Copyable results
Show original description

What's New in Engine Calculator Plus

1.2

January 3, 2026

- Updated for the newest devices. - Minor bugs fixed.

User reviews

Most RecentHighest RatedLowest Rated

It’s not working

It’s not working.
Dbarr11Dbarr11

Not enough info can be entered

Does not give enough options to calculate correctly
You cannot put in head volume cc
I’m a little disappointed with this especially when you have to pay for it
Gazza HayesGazza Hayes

Garbage

Don’t buy, useless app. Will be pursuing a refund.
Flyingfinn_1982Flyingfinn_1982

1:38 compression ratio... I don’t think so

I entered 302 specs at 4” bore 3” stroke and 8.206 deck height and it calculated at nearly 500hp and a 1:38 compression ratio..... yeah, this calculator is inaccurate, waste of money!!
Tbow367Tbow367

I wish I could have landscape

That’s my only rub. And it’s not a big one.
TedShredzTedShredz
See 3 more reviews

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FAQ

What engine types can Engine Calculator Plus calculate specs for?

Engine Calculator Plus supports a wide range of engine types, from single cylinder to complex W16 configurations, and even custom cylinder counts. This allows for versatile calculations across many automotive and aviation engines.

Does Engine Calculator Plus support both metric and imperial units?

Yes, Engine Calculator Plus supports both metric and imperial input systems. This ensures flexibility for users worldwide, allowing them to input measurements and receive outputs in their preferred units.

What specific engine metrics can be calculated?

The app calculates key engine metrics including engine displacement (in cc, liters, and cubic inches), compression ratio, and an estimated horsepower output in HP and Kilowatts. It also provides formulas for displacement calculation in its help section.

How does Engine Calculator Plus handle engine displacement calculations?

Engine Calculator Plus calculates engine displacement based on user-provided measurements like bore and stroke. It supports both metric and US standard systems for these calculations, outputting results in cc, liters, and cubic inches.

Can I easily share the calculated engine specs?

Yes, the results from Engine Calculator Plus are copy-able. This feature allows you to easily transfer the calculated engine specifications to other applications for documentation, sharing, or further analysis.

What is the age rating for Engine Calculator Plus?

Engine Calculator Plus has an age rating of 4+. This indicates it is suitable for a wide audience, including younger users interested in learning about engine mechanics.

How often is Engine Calculator Plus updated?

The app was last updated on January 3, 2026, with version 1.2. The developer has indicated that more updates are planned, suggesting ongoing support and feature enhancements.

Does Engine Calculator Plus have ads?

No, Engine Calculator Plus does not contain advertisements. As a paid application, users can expect an uninterrupted experience without any ad interruptions.