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Green cells are editable without making a copy of the sheet or logging in!
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So please don't mess things up because there's no longer a person working on this who will fix it.
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Hand Cannon
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Select the type of weapon:Hand Cannon0AccuracyCone AngleCone Radius at 35.0mUsage and Info - Advanced
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Input the range stat:86Grounded (Hip-Fire)0.2278°0.0696m
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Input the AE Stat:15Grounded (ADS)0.1659°0.0507m
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Input the Magnification Value:1.4xAirborne Penalty0.2700°Base accuracy scales with the range stat of the weapon.
This is what the [Range Stat] input is used for.

Airborne Effectiveness scales the penalty that is added on top of the base cone angle. (Meaning that no, you don't actually have "perfect in-air accuracy" if you max out the AE stat.)
Because it's additive to the base cone angle, it's completely independent.

Bloom you experience from firing is another additive portion that gets piled onto the base accuracy cone. (AKA independent from AE)

Target Distance is used to calculate the size of the accuracy cone at said distance.
If you look at the functions in the Cone Radius column, you can see it's pretty much just basic trigonometry.

The Cone Radius you get is the radius of the circle that represents your cone at the target distance. Basically imagine your cone pointed at the center of the target's head and then draw a circle of that radius around that center point. Your bullet will go to a random spot inside that circle.

(Additional info: aim assist will not influence this randomness inside the accuracy cone. What aim assist does is determine where your accuracy cone will point. Aim Assist comes first, Accuracy second. Aim Assist is also referred to as "Auto Aim" because it aims your accuracy cone to the target.)

The Accuracy Cone Scalar is useful for when you want to account for perks like Opening Shot that influence the cone angle itself.
A 30% cone angle reduction is the equivalent of inputting 0.7 as the scalar.
Cone Scalars only influence the base cone angle. Leave it at 1 to ignore this step.
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Input The Target Distance:35.0mAirborne (Hip-Fire)0.4978°0.1520m
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Accuracy Cone Scalar0.68xAirborne (ADS)0.4359°0.1331m
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Input Method:M&K/KBM
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Controller1.1
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Current Version:2.3Newest Version:2.3Many thanks for Chris Proctor and Mercules of Bungie's Weapons Team for sharing the majority of the info I'm using for this calculator in community podcasts. And special thanks to an undisclosed Bungie employee for helping the community understand the rest of the mechanics needed for this calculator.

- - - - - - - - - - - - - - - FAQ - - - - - - - - - - - - - - -

"Why only Hand Cannons and Snipers?"
Because those are the only two weapons we know specific values for.
Plz convince Bungo to give us more info so I can add it.

"What do these numbers actually mean?"
In a vacuum, pretty much nothing. But I also made a tool to help visualize the size of the cones based on the cone angle and the distance.
▼▼▼ Check it out below! ▼▼▼
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Quickstart Guide
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Weapon Type:
Snipers and Hand Cannons are the only available options currently. Select either one and continue.

Range, AE, and Magnification:
Enter the stats of your weapon and the magnification value here or experiment with the numbers. Failsafes also exist in case you go out of the allowed range.

Target Distance:
How far away the target you're shooting at is. This is needed to calculate the cone radius required for the visualizer tool.

Accuracy Cone Scalar:
As the note says, please leave it set to 1 if you don't know how it works. For those wanting to experiment, go to the 'Cone Angle Scalar Calculator' sheet and that should help.

Vital Information:
Some cells have notes attached to them that provide important information for usage. These notes are indicated by a small black triangle in the top right corner of a cell. Just hover over the cell to read the note.
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Cone Visualizer Tool
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 - - - - - - - - - - - - - - - - - - - - - - - Changelogs - - - - - - - - - - - - - - - - - - - - - - -
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v2.3 - Updated the the 'Cone Visualizer Tool' to be more user-friendly and handle cone angles and distance natively.
- The sheet is now discontinued as of January 1, 2023.
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v2.2 - Replaced the "Zoom Stat" user input with "Magnification Value". See the attached cell note for additional information.
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v2.1 - Added support for input methods. (People on Mouse and Keyboard receive a 0.8x Accuracy Cone Angle Scalar)
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v2.0 - Retired the calculators for in-air cones from before the AE system's launch.
- Added support for ADS cone angles and Zoom.
- Reworked the data storage for scalability and ease of maintenance.
- Updated the Visualizer Tool with a more accurate representation of the size of a guardian.
- Added new Cone Angle Scalar options.
- Added a Quickstart Guide.
- Styling changes.
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v1.7 - Improved calculator logic to use the values in the table.
- Updated Hand Cannon accuracy for Solstice 2022.
- Green cells are now editable by everyone.
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v1.6 - Added a "Degree to Radius Calculator" for calculations independent from the main sheet's weapon-specific values
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v1.5 - Added a web tool to visualize the cone radius on a target
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v1.4 - Added a Cone Angle Scalar Calculator with known Base Accuracy-influencing perks (Check cell notes)
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v1.3 - Upon further clarification with devs, Cone Scalars were adjusted to better reflect in-game behavior
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v1.2 - Added Explanation for Usage as well as provided some information on the mechanics in question
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v1.1 - Added Accuracy Cone Scalar, ideally leave it at 1 unless you know what you're doing
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