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Zero Fuel Weight (ZFW) is the aircraft's weight with payload on board and empty fuel tanks. Check FAQs
WZF=WE+WP
WZF - Zero Fuel Weight?WE - Operating Empty Weight?WP - Payload?

Zero fuel weight Example

With values
With units
Only example

Here is how the Zero fuel weight equation looks like with Values.

Here is how the Zero fuel weight equation looks like with Units.

Here is how the Zero fuel weight equation looks like.

15756Edit=8890Edit+6866Edit
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HomeIcon Home » Category Physics » Category Aerospace » Category Aircraft Mechanics » fx Zero fuel weight

Zero fuel weight Solution

Follow our step by step solution on how to calculate Zero fuel weight?

FIRST Step Consider the formula
WZF=WE+WP
Next Step Substitute values of Variables
∴ WZF=8890kg+6866kg
Next Step Prepare to Evaluate
∴ WZF=8890+6866
LAST Step Evaluate
∴WZF=15756kg

Zero fuel weight Formula Elements

Variables
Zero Fuel Weight
Zero Fuel Weight (ZFW) is the aircraft's weight with payload on board and empty fuel tanks.
Symbol: WZF
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find Zero Fuel WeightOpen Variable
Operating Empty Weight
Operating Empty Weight is the sum of the empty weight and the crew plus their baggage.
Symbol: WE
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find Operating Empty WeightOpen Variable
Payload
Payload of a passenger aircraft is the total weight of cargo plus additional passengers being carried in the airplane.
Symbol: WP
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Formulas to find PayloadOpen Variable

Other Formulas to find Zero Fuel Weight

​Go Zero Fuel Weight given Mission Fuel, Reserve and Take Off Weight
WZF=WTO-Wf-WRF
​Go Zero Fuel Weight given Reserve and Landing Weight
WZF=WL-WRF

Other formulas in Weight Estimation category

​Go Gross weight
WG=WE+WU
​Go Operating Empty Weight
WE=WG-WU
​Go Landing Weight given Take Off Weight and Mission Fuel Weight
WL=WTO-Wf
​Go Landing Weight given Zero Fuel Weight and Reserve Fuel Weight
WL=WZF+WRF

How to Evaluate Zero fuel weight?

Zero fuel weight evaluator uses Zero Fuel Weight = Operating Empty Weight+Payload to evaluate the Zero Fuel Weight, The Zero Fuel Weight (ZFW) of an aircraft is the total weight of the aircraft excluding any fuel, it represents the combined weight of all operational items such as passengers, cargo, crew, equipment, and any other items on board, but without the weight of the fuel itself, to calculate the Zero Fuel Weight, you would typically subtract the total fuel weight from the takeoff weight of the aircraft. Zero Fuel Weight is denoted by WZF symbol.

How to evaluate Zero fuel weight using this online evaluator? To use this online evaluator for Zero fuel weight, enter Operating Empty Weight (WE) & Payload (WP) and hit the calculate button.

FAQs on Zero fuel weight

What is the formula to find Zero fuel weight?
The formula of Zero fuel weight is expressed as Zero Fuel Weight = Operating Empty Weight+Payload. Here is an example- 16756 = 8890+6866.
How to calculate Zero fuel weight?
With Operating Empty Weight (WE) & Payload (WP) we can find Zero fuel weight using the formula - Zero Fuel Weight = Operating Empty Weight+Payload.
What are the other ways to Calculate Zero Fuel Weight?
Here are the different ways to Calculate Zero Fuel Weight-
  • Zero Fuel Weight=Takeoff Weight-Fuel Load-Reserve FuelOpenImg
  • Zero Fuel Weight=Landing Weight-Reserve FuelOpenImg
Can the Zero fuel weight be negative?
No, the Zero fuel weight, measured in Weight cannot be negative.
Which unit is used to measure Zero fuel weight?
Zero fuel weight is usually measured using the Kilogram[kg] for Weight. Gram[kg], Milligram[kg], Ton (Metric)[kg] are the few other units in which Zero fuel weight can be measured.
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