GTP API Gravity Calculator v2

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About this app

The GTP API Gravity Calculator v2 (Developed 2025) from Gammon Technical Products, Inc. provides users the ability to determine corrected API at 60 Deg F for jet, gasoline, and diesel fuels. The calculator is a digital version of our GTP-3012-1A and GTP-2727EF slide calculators and it also is capable of calculating the total weight of the fuel
Updated on
Dec 11, 2025

Data safety

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Everyone
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App support

About the developer
Gammon Technical Products, Inc.
jason.ligo@gammontech.com
2300 Highway 34 Manasquan, NJ 08736 United States
+1 732-223-4600