Rounds per Minute Calculator

Calculate firearm firing rates and analyze weapon performance metrics

Calculation Mode

Calculate Rounds per Minute

Total ammunition discharged

Duration of firing session

Firing Rate Results

0.0
Rounds/Minute
0.00
Rounds/Second
0.00
Seconds/Round
No Rate
Rate Category

Formula: RPM = Rounds Fired ÷ Time (minutes)

Calculation: 0 ÷ 0.00 = 0.0 RPM

Enter values to calculate

Example Calculation

Precision Marksman Rifle

Scenario: Training session at the range

Rounds fired: 90 rounds

Time taken: 1 minute

Calculation: 90 ÷ 1 = 90 RPM

AK-47 Example

Theoretical RPM: ~600 rounds per minute

Magazine capacity: 30 rounds

Practical consideration: Reload time affects real-world RPM

Common Firearm RPM

AK-47
Assault rifle
600
M16A2
Assault rifle
700
M4 Carbine
Carbine rifle
700
MP5
Submachine gun
800
UZI
Submachine gun
600
M249 SAW
Light machine gun
850
M240B
Medium machine gun
750
M2 Browning
Heavy machine gun
550
Glock 18
Machine pistol
1200
A-10 Warthog GAU-8
Aircraft cannon
3900

RPM Categories

Very Low (<100)
Single shot, bolt-action
Low (100-300)
Semi-automatic rifles
Moderate (300-600)
Standard automatic weapons
High (600-1000)
Rapid-fire weapons
Very High (1000-2000)
Machine pistols/SMGs
Extreme (2000+)
Aircraft cannons

Understanding Rounds per Minute

What is RPM?

Rounds per minute (RPM) is a crucial metric for measuring a firearm's firing capacity within a one-minute timeframe. It provides quantifiable data about weapon performance and operational capability.

Formula

RPM = Rounds Fired ÷ Time (minutes)

Applications

  • Military tactical planning
  • Competitive shooting sports
  • Firearm performance analysis
  • Ammunition consumption planning

Practical Considerations

Theoretical vs. Practical RPM

Manufacturer specifications represent ideal conditions. Real-world factors affect actual rates.

Limiting Factors

Magazine capacity, reload time, barrel heating, and shooter endurance reduce effective RPM.

Environmental Impact

Temperature, humidity, and dirt can affect mechanical performance and firing rates.

Important Notes

Disclaimer: This calculator is for educational and analytical purposes only. Always follow local laws and safety regulations when handling firearms.