Miter Saw

A miter saw mounts a circular blade on a pivoting arm above a fixed table, designed specifically for crosscutting and angle-cutting boards to length. Where a table saw is built around rip cuts (with the fence guiding the board's length past the blade), a miter saw is built around the opposite job — cutting a board's length short, at a precise angle, quickly and repeatably.

Compound, sliding, and the difference it makes

• Standard miter cut: the blade pivots left/right for angled cuts across a board's width.
• Compound miter saw: the blade also tilts, so it can combine a miter angle and a bevel angle in one cut — essential for crown molding and other multi-plane trim work.
• Sliding compound miter saw: adds rails that let the head slide forward and back, extending crosscut capacity well beyond the blade's diameter, at the cost of a larger footprint.

If you mostly cut narrow trim, a standard compound saw is plenty. If you build furniture with wider stock, the sliding feature earns its keep.

Blade size and capacity

10" and 12" are the common sizes. Larger blades cut wider stock but cost more to replace and make the saw itself bulkier — a 10" sliding saw often out-capacities a 12" non-sliding one for a similar or smaller footprint.

What separates a good one from a frustrating one

• Positive stops at common angles (45°, 22.5°) that click into place reliably, so you're not checking a protractor on every repeat cut.
• Fence height and length, which support tall or angled trim stock without extra jigs.
• Dust collection, which is mediocre on nearly every miter saw regardless of price — a shop vac hookup helps far more than the stock bag.

Safety

The blade is exposed on both the push and return stroke, and the workpiece is typically hand-held against the fence rather than clamped — keep fingers well clear of the cut line, let the blade come to a full stop before lifting it back up, and never reach across the blade's path to steady an off-cut while the motor is still spinning down.