Airgun Calc
Available on Google Play
3.6(89)
10,000+ installsFreeSports
Updated Mar 10, 2026 · v1.27
App to calculate Joules/ft-lb by weight in grains/gram and speed in FPS or M/S
Application to calculate Joules/ft-lb by weight in grains/gram and speed in FPS or M/S. Simple and easy It has a database with different pellets which can be selected and filtered.
8 years on Google Play
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Rating breakdown
5★
33
4★
33
3★
0
2★
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1★
22