Enter your test burn length, test burn time, and safe separation time. Time Fuse Calculator will tell you how much time fuse to cut. Hit the clock button to start your timer.

For Explosive Ordnance Disposal (EOD), demolition, blasting, and pyrotechnic use.

App is still in Beta. Please provide feedback on what you'd like to see changed. Please also let us know what other types of apps you'd like to see!

All liability remains with the user. Always double check your math.