Is this calculation free and private?

Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.

What do I need to enter?

Just Total Drone All-Up Weight AUW with Battery, Battery Capacity, Battery Cell Count S, Motor Hover Efficiency and Usable Battery Margin. Every field has a sensible default you can start from.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Does it work on a phone?

Yes. The layout adapts to small screens and needs no app or signup.

Drone Flight Time & Battery Consumption Calculator

Calculate multirotor FPV and camera drone hover flight time (minutes) based on all-up weight (AUW), battery mAh, and motor thrust efficiency.

100% free
Private in browser
No signup
No watermarks

Total Drone All-Up Weight AUW with Battery (Grams)

Battery Capacity (mAh)

Battery Cell Count S (4S=14.8V, 6S=22.2V)

Motor Hover Efficiency (Grams per Watt g/W)

Usable Battery Margin (80% safe rule)

Estimated Hover Flight Time (Minutes)

28.3

Battery Pack Energy (Watt-Hours Wh)

66.6

Total Power Draw in Hover (Watts)

113

Current Draw at Nominal Voltage (Amps)

7.6

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About Drone Flight Time & Battery Consumption Calculator

Calculate multirotor FPV and camera drone hover flight time (minutes) based on all-up weight (AUW), battery mAh, and motor thrust efficiency. Enter Total Drone All-Up Weight AUW with Battery, Battery Capacity and Battery Cell Count S and the tool works out Estimated Hover Flight Time, Battery Pack Energy and Total Power Draw in Hover straight away. Everything runs in your browser, so your data never leaves your device.

How to use Drone Flight Time & Battery Consumption Calculator

Enter Total Drone All-Up Weight AUW with Battery, Battery Capacity and Battery Cell Count S.
Adjust the remaining options (Motor Hover Efficiency and Usable Battery Margin) to match your case.
Read Estimated Hover Flight Time, Battery Pack Energy and Total Power Draw in Hover in the results panel — copy or download what you need.

Key features

Shows Estimated Hover Flight Time (Minutes)
Shows Battery Pack Energy (Watt-Hours Wh)
Shows Total Power Draw in Hover (Watts)
5 adjustable inputs, results update as you type
No signup, no limits

Frequently asked questions

Is this calculation free and private?: Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.
What does the Drone Flight Time & Battery Consumption Calculator give me?: It works out Estimated Hover Flight Time, Battery Pack Energy, Total Power Draw in Hover and Current Draw at Nominal Voltage, updating live as you change the inputs.
What do I need to enter?: Just Total Drone All-Up Weight AUW with Battery, Battery Capacity, Battery Cell Count S, Motor Hover Efficiency and Usable Battery Margin. Every field has a sensible default you can start from.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?: Yes. The layout adapts to small screens and needs no app or signup.

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