Beyond Compare 64 Bit
Having the right drill bit sizes on hand for your particular repair or building task is essential for any seasoned carpenter or weekend-DIY’er.
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Knowing just what size you need to use for the hole you’re making is also important.
It may not be totally evident at first glance.
Many times, we’re just trying to find out the alternative sizes available if you’re working with metric sizes (measured in millimeters) versus standard or empirical values (our familiar fractional inch variety).
Finally, getting the right size drill bit set in your greater tool “chest” will arm you for the various types of projects you’re doing.
We’ll discuss these in detail in this article.
Scroll down if you just need a quick reference using our drill chart.
How Many Drill Bit Sizes Are There?
First things first. If you were to look at the most all encompassing collection of multi-purpose, twist-type bits, how many drill bit sizes would there be?
Well, if you base your answer on how many size holes there are in the world, then there would be infinite amount of bits!
Thankfully, we can narrow it down a bit to some standard sized holes and bits.
For example, let’s look at the most common applications:
Everyday home repair and construction projects, hobby, marine, farming, woodworking, metal working, aircraft, arts and crafts, commercial building projects, machinery and more.
You get the point!
For each particular application area, you’re going to just see a few dozen or so relevant drill bit sizes.
In fact, most nice sets include anywhere from 12-30 pieces of standard drill bit sizes. (And much more when you factor in different types of bits).
Using our drill chart that follows below, you’ll get an idea of just how many sizes there are!
Types of Drill Bits
Various bit types exist for a wide variety of applications, and in particular what material you’re drilling into.
For the sake of simplicity, let’s look at a basic multi-purpose set.
One that could serve any of the above mentioned disciplines well.
Say, for example, a typical 29-piece set. In the following drill bit chart are the typical fractional sizes this kind of set would include.
This would generally apply to many drill bit types, such as black oxide, titanium, carbide, high-speed steel and masonry (concrete), to name a few.
Basic, twist-type drill bit sizes (fractional):
There are indeed larger sets. Specialty fasteners sometimes call for a size that would be considered uncommon.
Sets with even more varying drill bit sizes would include diameters smaller than 1/16″ or larger than 1-1/2″.
In between in these large tiny and large sizes are every equivalent bit size known to “man”, so you always have the exact size needed depending on what you’re project is calling for.
Here would be the standard drill bit sizes for spade bits (13-pieces):
And sizes for step drill bits:
If you need drill bit sizes that are larger than 1″, you can often use a spade bit for wood and other soft materials.
To avoid break-outs and chipping, you can stick to bigger round-shank types.
or shank bits though, you’ll usually need a
How Do You Know What Size Drill Bits You Need?
If you’re an average weekend-warrior, you’ve probably stared at a screw or bolt for a few moments and wondered what size drill bit you would need.
Over time, you get so that you can literally eye-ball it and make an educated guess.
But if you’re looking at a less common drill bit size, you need an aid to help you.
A drill bit size hole card can be very helpful for this. A simple plastic drill chart sheet with perfect round holes and markings on it lets you do a couple of things.
First, you can size screws simply by inserting them into a hole then reading the marking.
You can also size drill bits by pushing them through holes.
This is especially helpful if you can’t read the engraved size markings on the bits.
It’s also helpful to find the substitute bit size to cross over between metric and standard measurements.
How to Convert and Find Equivalent Bit Sizes
You can use the drill chart that follows this section to help convert sizes, or you can do the math yourself.
To make things just a little more complicated, not all drill bit sizes are in north american fractional measurements.
The metric system is used to define metric drill bit sizes as well.
If you have this set, or need to match, just use a simple formula to convert from metric to fractional inches, and vice versa:
Matching Screw Sizes
If you’re curious what size drill bit you’ll need for a particular screw, use the following drill bit size chart:
Screw Size
Hole to clear screw
Drill Bit Size Gauge
Even better is to get yourself a drill bit gauge.
These handy cards can help you in a pinch, and can help you to quickly identify which size bit you’ll need based on the screw or hole size you need to drill out. Get one here!
Best of all, they’re pretty inexpensive and will be something to have as part of your DIY toolbox for many years to come.
Drill Chart:
As promised, here are a few drill bit charts to help you quickly convert all standard drill bit sizes to their matching measurements.
If you’re tapping holes you’re pre-drilling you can check out our tap drill chart for specific size conversions.
Drill Chart for Gauge 47-96 (smallest to largest)
This chart lists the North American drill gauge sizes and converts them to their decimal equivalent in both inches and millimeters for metric sizes.
Drill Chart for Gauge 1-46 (smallest to largest)
This chart rounds out the second half of these number gauge sizes down to #1, which is the largest drill bit size.
GaugeDec. (in.)Dec. (mm)GaugeDec. (in.)Dec. (mm)460.0812.057230.1543.912450.0822.083220.1573.988440.0862.184210.1594.039430.0892.261200.1614.089420.09352.375190.1664.216410.0962.438180.16954.305400.0982.489170.1734.394390.09952.527160.1774.496380.10152.578150.184.572370.1042.642140.1824.623360.10652.705130.1854.699350.112.794120.1894.801340.1112.819110.1914.851330.1132.87100.19354.915320.1162.94690.1964.978310.123.04880.1995.055300.12853.26470.2015.105290.1363.45460.2045.182280.14053.56950.20555.22270.1443.65840.2095.309260.1473.73430.2135.41250.14953.79720.2215.613240.1523.86110.2285.791Drill Chart for Gauge Letters (smallest to largest)
Letter gauge drill sizes are used primarily in North American with A starting with the smallest size working 26 size increments to Z.
GaugeDec. (in.)Dec. (mm)GaugeDec. (in.)Dec. (mm)A0.2345.944N0.3027.671B0.2386.045O0.3168.026C0.2426.147P0.3238.204D0.2466.248Q0.3328.433E0.256.35R0.3398.611F0.2576.528S0.3488.839G0.2616.629T0.3589.093H0.2666.756U0.3689.347I0.2726.909V0.3779.576J0.2777.036W0.3869.804K0.2817.137X0.39710.08L0.297.366Y0.40410.26M0.2957.493Z0.41310.49Drill Bit Size Chart: Fractional to Decimal & Metric (Small to Large)
The following drill chart covers the smallest standard drill diameter size of 1/64 to 21/32 and gives you the equivalent sizes in both decimal inches and millimeters.
10.71567/640.10942.77817/160.437511.11251/80.1253.17529/640.453111.50949/640.14063.571915/32How To Get 64 Bit
0.468811.90635/320.15633.968831/640.484412.303111/640.17194.36561/20.512.73/160.18754.762533/640.515613.096913/640.20315.159417/320.531313.49387/320.21885.556335/640.546913.890615/640.23445.95319/160.562514.28751/40.256.3537/640.578114.684417/640.26566.746919/320.593815.08139/320.28137.143839/640.609415.478119/640.29697.54065/80.62515.8755/160.31257.937541/640.640616.271921/640.32818.334421/320.656316.6688This final drill chart covers the standard bit sizes from 43/64 to 1 27/64.
More About Drill Bit Sets and Sizing
Some other helpful information to help you in your knowledge of drill bit sizes:
Fractional Sizing
Fractional sizing uses whole, half (1/2), quarter (1/4), eighth (1/8), sixteenths (1/16) and sixty-forths (1/64).
For example, something just above 31/64″ would be a half-inch, and anything above 63/64″ would be a 1-inch drill bit size.
Super Long Bits
Long bit sizes have typical lengths of: 12″ or 18″ overall length. These are handy in situations where you need to drill through thick or multi-layered materials.
Professionals in the electrical industry for example will use these when running wires or cables through finished walls and ceilings.
Other contractors will use masonry bits in their hammer drills to bore through materials such as concrete, stones and bricks.
This is especially useful when creating a hole from the outside of your house to the interior. Lengths of up to 18″ or more may be needed.
Drill Bit Point Angles
The typical sizes of drill bit point angles are 115° or 118° (degrees).
When buying a good set, ensure it contains more than just one of the common (important) size drill bits.
Bits do break as they weaken from usage and high amounts of heat generated from friction.
Having the right drill bit sizes on hand for your particular repair or building task is essential for any seasoned carpenter or weekend-DIY’er.
Knowing just what size you need to use for the hole you’re making is also important.
It may not be totally evident at first glance.
Many times, we’re just trying to find out the alternative sizes available if you’re working with metric sizes (measured in millimeters) versus standard or empirical values (our familiar fractional inch variety).
Finally, getting the right size drill bit set in your greater tool “chest” will arm you for the various types of projects you’re doing.
We’ll discuss these in detail in this article.
Scroll down if you just need a quick reference using our drill chart.
How Many Drill Bit Sizes Are There?
First things first. If you were to look at the most all encompassing collection of multi-purpose, twist-type bits, how many drill bit sizes would there be?
Well, if you base your answer on how many size holes there are in the world, then there would be infinite amount of bits!
Thankfully, we can narrow it down a bit to some standard sized holes and bits.
For example, let’s look at the most common applications:
Everyday home repair and construction projects, hobby, marine, farming, woodworking, metal working, aircraft, arts and crafts, commercial building projects, machinery and more.
You get the point!
For each particular application area, you’re going to just see a few dozen or so relevant drill bit sizes.
In fact, most nice sets include anywhere from 12-30 pieces of standard drill bit sizes. (And much more when you factor in different types of bits).
Using our drill chart that follows below, you’ll get an idea of just how many sizes there are!
Types of Drill Bits
Various bit types exist for a wide variety of applications, and in particular what material you’re drilling into.
For the sake of simplicity, let’s look at a basic multi-purpose set.
One that could serve any of the above mentioned disciplines well.
Say, for example, a typical 29-piece set. In the following drill bit chart are the typical fractional sizes this kind of set would include.
This would generally apply to many drill bit types, such as black oxide, titanium, carbide, high-speed steel and masonry (concrete), to name a few.
Basic, twist-type drill bit sizes (fractional):
There are indeed larger sets. Specialty fasteners sometimes call for a size that would be considered uncommon.
Sets with even more varying drill bit sizes would include diameters smaller than 1/16″ or larger than 1-1/2″.
In between in these large tiny and large sizes are every equivalent bit size known to “man”, so you always have the exact size needed depending on what you’re project is calling for.
Here would be the standard drill bit sizes for spade bits (13-pieces):
And sizes for step drill bits:
If you need drill bit sizes that are larger than 1″, you can often use a spade bit for wood and other soft materials.
To avoid break-outs and chipping, you can stick to bigger round-shank types.
or shank bits though, you’ll usually need a
How Do You Know What Size Drill Bits You Need?
If you’re an average weekend-warrior, you’ve probably stared at a screw or bolt for a few moments and wondered what size drill bit you would need.
Over time, you get so that you can literally eye-ball it and make an educated guess.
But if you’re looking at a less common drill bit size, you need an aid to help you.
A drill bit size hole card can be very helpful for this. A simple plastic drill chart sheet with perfect round holes and markings on it lets you do a couple of things.
First, you can size screws simply by inserting them into a hole then reading the marking.
You can also size drill bits by pushing them through holes.
This is especially helpful if you can’t read the engraved size markings on the bits.
It’s also helpful to find the substitute bit size to cross over between metric and standard measurements.
How to Convert and Find Equivalent Bit Sizes
You can use the drill chart that follows this section to help convert sizes, or you can do the math yourself.
To make things just a little more complicated, not all drill bit sizes are in north american fractional measurements.
The metric system is used to define metric drill bit sizes as well.
If you have this set, or need to match, just use a simple formula to convert from metric to fractional inches, and vice versa:
Matching Screw Sizes
If you’re curious what size drill bit you’ll need for a particular screw, use the following drill bit size chart:
Screw Size
Hole to clear screw
Drill Bit Size Gauge
Even better is to get yourself a drill bit gauge.
These handy cards can help you in a pinch, and can help you to quickly identify which size bit you’ll need based on the screw or hole size you need to drill out. Get one here!
Best of all, they’re pretty inexpensive and will be something to have as part of your DIY toolbox for many years to come.
Drill Chart:
As promised, here are a few drill bit charts to help you quickly convert all standard drill bit sizes to their matching measurements.
If you’re tapping holes you’re pre-drilling you can check out our tap drill chart for specific size conversions.
Drill Chart for Gauge 47-96 (smallest to largest)
This chart lists the North American drill gauge sizes and converts them to their decimal equivalent in both inches and millimeters for metric sizes.
Beyond Compare 64 Bit Download
690.02920.742930.00750.191680.0310.787920.00790.201670.0320.813910.00830.211660.0330.838900.00870.221650.0350.889890.00910.231640.0360.914880.00950.241630.0370.94870.010.254620.0380.965860.01050.267610.0390.991850.0110.279600.041.016840.01150.292590.0411.041830.0120.305580.0421.067820.01250.318570.0431.092810.0130.33560.04651.181800.01350.343550.0521.321790.01450.368540.0551.397780.0160.406530.05951.511770.0180.457520.06351.613760.020.508510.0671.702750.0210.533500.071.778740.02250.572490.0731.854730.0240.61480.0761.93720.0250.635470.07851.994Drill Chart for Gauge 1-46 (smallest to largest)
This chart rounds out the second half of these number gauge sizes down to #1, which is the largest drill bit size.
GaugeDec. (in.)Dec. (mm)GaugeDec. (in.)Dec. (mm)460.0812.057230.1543.912450.0822.083220.1573.988440.0862.184210.1594.039430.0892.261200.1614.089420.09352.375190.1664.216410.0962.438180.16954.305400.0982.489170.1734.394390.09952.527160.1774.496380.10152.578150.184.572370.1042.642140.1824.623360.10652.705130.1854.699350.112.794120.1894.801340.1112.819110.1914.851330.1132.87100.19354.915320.1162.94690.1964.978310.123.04880.1995.055300.12853.26470.2015.105290.1363.45460.2045.182280.14053.56950.20555.22270.1443.65840.2095.309260.1473.73430.2135.41250.14953.79720.2215.613240.1523.86110.2285.791Drill Chart for Gauge Letters (smallest to largest)
Letter gauge drill sizes are used primarily in North American with A starting with the smallest size working 26 size increments to Z.
GaugeDec. (in.)Dec. (mm)GaugeDec. (in.)Dec. (mm)A0.2345.944N0.3027.671B0.2386.045O0.3168.026C0.2426.147P0.3238.204D0.2466.248Q0.3328.433E0.256.35R0.3398.611F0.2576.528S0.3488.839G0.2616.629T0.3589.093H0.2666.756U0.3689.347I0.2726.909V0.3779.576J0.2777.036W0.3869.804K0.2817.137X0.39710.08L0.297.366Y0.40410.26M0.2957.493Z0.41310.49Drill Bit Size Chart: Fractional to Decimal & Metric (Small to Large)
The following drill chart covers the smallest standard drill diameter size of 1/64 to 21/32 and gives you the equivalent sizes in both decimal inches and millimeters.
1/80.1253.17529/640.453111.50949/640.14063.571915/320.468811.90635/320.15633.968831/640.484412.303111/640.17194.36561/20.512.73/160.18754.7625Beyond Compare 3.0 Free Download 64 Bit
33/640.515613.096913/640.20315.159417/320.531313.49387/320.21885.556335/640.546913.890615/640.23445.95319/160.562514.28751/40.256.3537/640.578114.684417/640.26566.746919/320.593815.08139/320.28137.143839/640.609415.478119/640.29697.54065/80.62515.8755/160.31257.937541/640.640616.271921/640.32818.334421/320.656316.6688This final drill chart covers the standard bit sizes from 43/64 to 1 27/64.
32 Bit Vs 64 Bit Os
28.178149/640.765619.44691 1/81.12528.57525/320.781319.84381 5/321.156329.368851/640.796920.24061 11/64Beyond Compare 4 64 Bit
1.171929.765613/160.812520.63751 3/161.187530.162553/640.828121.03441 13/641.203130.559427/320.843821.43131 7/321.218830.956355/640.859421.82811 15/641.234431.35317/80.87522.2251 9/321.281332.543857/640.890622.62191 19/641.296932.940629/320.906323.01881 5/161.312533.337559/640.921923.41561 21/641.328133.734415/160.937523.81251 11/321.343834.131361/640.953124.20941 23/641.359434.528131/320.968824.60631 13/321.406335.718863/640.9844Beyond Compare 64 Bit Version
25.00311 27/641.421936.1156More About Drill Bit Sets and Sizing
Some other helpful information to help you in your knowledge of drill bit sizes:
Fractional Sizing
Fractional sizing uses whole, half (1/2), quarter (1/4), eighth (1/8), sixteenths (1/16) and sixty-forths (1/64).
For example, something just above 31/64″ would be a half-inch, and anything above 63/64″ would be a 1-inch drill bit size.
Super Long Bits
Long bit sizes have typical lengths of: 12″ or 18″ overall length. These are handy in situations where you need to drill through thick or multi-layered materials.
Professionals in the electrical industry for example will use these when running wires or cables through finished walls and ceilings.
Other contractors will use masonry bits in their hammer drills to bore through materials such as concrete, stones and bricks.
This is especially useful when creating a hole from the outside of your house to the interior. Lengths of up to 18″ or more may be needed.
Drill Bit Point Angles
The typical sizes of drill bit point angles are 115° or 118° (degrees).
When buying a good set, ensure it contains more than just one of the common (important) size drill bits.
Bits do break as they weaken from usage and high amounts of heat generated from friction.