Free Tools
Skydiving
Calculators
Free tools built for skydivers. Work out your wing loading, check your currency, and make better decisions before you manifest.
Gear & Safety
Wing Loading Calculator
Enter your body weight, gear weight, and canopy size to calculate your wing loading and find out where you sit on the safety spectrum.
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Readiness
Currency Calculator
Enter your licence type and last jump date to find out if you need daily drills, a refresher course, or a full currency review before your next jump.
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Skydiving Calculators for UK Jumpers
Both calculators are free, require no account, and are built around British Skydiving guidelines. The wing loading calculator covers both KG and LBS and lets you share your setup via URL. The currency calculator covers British Skydiving and USPA licence holders separately.
More calculators coming — if there's a specific calculation you'd find useful, let us know.