Miter Angle Calculator
Determine the correct miter saw angle for cutting pieces that will form a corner with a specific total angle, essential for perfect joints in woodworking.
Bookmark this Calculator!
Mastering Miter Cuts
The Miter Angle Calculator is an essential tool for woodworkers, carpenters, and DIY enthusiasts. It provides the precise miter saw angle needed to create perfect corners for projects like picture frames, crown molding, and trim work.
What is a Miter Angle?
A miter angle is the angle at which a piece of wood (or other material) is cut so that two pieces can join together to form a corner. For a standard corner made of two pieces, the miter angle for each piece is typically half of the total corner angle.
Key Formula:
Miter Angle = Total Corner Angle / Number of PiecesFor a standard 90-degree corner made with two pieces, the miter angle is 90° / 2 = 45°. This is the most common setting on a miter saw.
How to Use the Calculator
This calculator simplifies the process, especially for non-standard corners or multi-piece constructions.
- Enter the Total Corner Angle: Input the full angle of the corner you are trying to create (e.g., 90 for a square corner, 135 for an obtuse corner).
- Enter the Number of Pieces: Input how many pieces will meet to form this corner. For most frames and trim, this will be 2. For polygons, it could be more.
- Calculate: The calculator instantly provides the precise angle to set on your miter saw for each piece.
Practical Applications
- Picture Frames: To create a rectangular frame, you need four 90-degree corners. The miter angle for each cut is 45 degrees.
- Crown Molding & Baseboards: Walls are not always perfectly square. Measuring the actual corner angle (e.g., 88° or 92°) and using this calculator ensures a tight, professional fit.
- Polygons: When creating a hexagon (6 sides), the interior angle of each corner is 120°. The miter cut for each of the two joining pieces would be 120° / 2 = 60°.
Example: An Octagon Box
You want to build an eight-sided (octagon) box. Two pieces of wood will meet at each corner.
- The sum of interior angles in an octagon is (8-2) * 180 = 1080°.
- Each interior corner angle is 1080° / 8 = 135°.
- Using the calculator:
- Total Corner Angle: 135°
- Number of Pieces: 2
- Miter Angle = 135 / 2 = 67.5°
You would set your miter saw to 67.5° for each cut. Important: Most miter saws measure from a 90° reference. So, a 67.5° miter cut on the wood is achieved by setting the saw to 90° - 67.5° = 22.5°.
Similar Calculators
Calculate the angle of depression from an observation point to an object below, a key concept in trigonometry for solving height and distance problems.
A simple and easy-to-use online calculator for basic arithmetic operations. Perform addition, subtraction, multiplication, and division instantly.
Perform arithmetic operations on extremely large numbers that standard calculators can't handle. Supports addition, subtraction, multiplication, and division.
Perform arithmetic operations (add, subtract, multiply, divide) on binary numbers. An essential tool for computer science students and professionals.
Calculate the area, circumference, diameter, or radius of a circle. Enter any one known value to find the others instantly.
Perform arithmetic (add, subtract) on angles in Degrees, Minutes, Seconds (DMS) format or convert between DMS and decimal degrees.
Calculate the straight-line distance between two points in a 2D or 3D Cartesian plane. Uses the Euclidean distance formula for accurate results.
Quickly calculate the result of a number raised to any power. This tool handles both positive and negative exponents, as well as fractional powers.
Explore Other Calculators
Calculate your car's 0-60 mph time based on its horsepower and weight.
Quickly calculate the date that is 100 days from a starting date. Perfect for tracking 100-day challenges or project milestones.
Estimate your self-employment taxes as a freelancer or independent contractor. Helps you plan for quarterly tax payments and avoid surprises.
Find the date that is 120 days from any given start date. Useful for planning timelines, loan terms, and long-term projects.
Calculate the date that is 180 days (about six months) from a specific start date. Ideal for setting semi-annual goals or deadlines.
A simple tool to find the date that is exactly 30 days from a given start date. Commonly used for trial periods and monthly planning.
Quickly add or subtract 30 minutes from any given time. A handy tool for scheduling meetings, breaks, or appointments.
Project the growth of your 401(k) retirement savings over time. See how contributions, employer match, and investment returns can impact your nest egg.