How to Sand Wood: Grit Chart by Project, Hand vs Orbital (2026)

Sand wood by stepping through 80, 120, then 180 grit (220 only for clear finishes), always with the grain and never skipping more than one grit, the rule abrasive makers such as Uneeda put in writing. Skip a step and the coarser scratches show through stain. This guide gives a grit chart by project, shows when a random orbital sander beats hand sanding, and lists the wood dust limits behind wearing a respirator.

Types Of Sandpaper And Uses

Sandpaper differs in grit size (a higher number is finer) and abrasive material, which decides how long it cuts and whether it can be used wet.

Explaining Grit Sizes And Their Effects

Grit sizes are crucial to achieving the desired finish on your wood. The higher the grit number, the finer the sandpaper and the smoother the finish it creates. Here is a breakdown of common grit sizes:

Grit Size	Uses
Coarse (40-60)	Rapid stock removal, shaping, and leveling uneven surfaces
Medium (80-120)	Smoothing and initial finishing
Fine (150-180)	Final sanding before stain or paint
Very Fine (220+)	Last pass before a clear finish; finer paper is for between finish coats

Each grit only has to erase the scratches of the one before it. Uneeda, an abrasives maker, states the rule as never skip more than 1 grit: 80, 120, 180, 240 is fine, but 80 straight to 240 is not.

Matching Sandpaper Type To Wood Species

Wood type changes where you start, not the no-skipping rule:

• Softwood (pine, cedar): start at 120 to 150 on planed boards, because coarse grit tears soft fibers.
• Hardwood (oak, maple): start at 80 on rough or machine-marked stock, or 100 to 120 on planed boards, and finish at 180 before stain.
• Veneer and pre-sanded plywood: start at 120 to 150, since coarser paper can cut straight through the thin face layer.
• Painted wood: coarse grit to strip the paint, then a finer grit for a smooth surface.

Sanding Oak and Dense Hardwoods

Oak is one of the most common hardwoods sanded in woodworking projects. Start at 120 grit on planed oak, and drop to 80 only if there are planer ridges or machine marks to remove. Work through 150, then stop at 180 grit before stain. Aluminum oxide is the standard abrasive for bare oak.

The common mistake with oak is sanding too fine before staining. Finishing at 220 grit or finer can burnish the surface and close the grain, so the wood rejects stain and looks blotchy. After each grit change, vacuum the surface and inspect it under raking light to confirm every scratch from the previous grit is gone before moving on.

Ceramic Vs. Aluminum Oxide Vs. Silicon Carbide

The abrasive material changes how long a sheet lasts and what it suits. For a full comparison see our guide to aluminum oxide vs silicon carbide sandpaper.

1. Ceramic: offers superior durability, ideal for heavy-duty sanding and aggressive material removal.
2. Aluminum oxide: versatile and durable, the usual choice for general purpose sanding of bare wood.
3. Silicon carbide: ideal for wet sanding and for sanding between finish coats.

Sanding Techniques For Beginners

Good technique matters as much as the paper: pick the right tool, move with the grain, and let the abrasive cut.

Hand Sanding Versus Power Sanding

Hand sanding gives you more control over pressure and direction, so it suits delicate or intricate areas and the final pass. Power sanding is far more efficient on large flat surfaces. A random orbital sander moves its pad in small random circles, which hides the scratch pattern better than a plain orbital or a sheet sander, but it can still leave faint swirls under finish.

Job	Hand sanding with a block	Random orbital sander
Tabletops and wide flat panels	Slow, and uneven pressure can leave dips	Fast and even when kept flat
Edges, curves and tight details	Best choice	Rounds over edges and cannot reach corners
Removing planer marks or glue squeeze-out	Tiring	Best choice
Final pass before finish	Do the last grit here, with the grain	Can leave faint swirl marks

A common routine: machine the middle grits, then hand sand the last grit with the grain to line up any swirls. Woodworkers in a WoodWeb discussion of swirl marks also name skipped grits and starting or stopping the sander on the wood as common causes. For tool picks, see our best sander for wood comparison.

Direction Of Grain And Sanding Motion

The rule is simple: sand with the grain, always. Sanding across the grain cuts through the wood fibers instead of along them, and the scratches it leaves are the ones stain collects in, so they look much darker than the wood around them. Use long, even strokes in the direction the grain runs, and keep going with the grain through every grit, including the last one.

Pressure Control And Avoiding Over-sanding

Use light to moderate pressure and let the abrasive do the cutting. Pressing harder does not speed up a power sander, it only loads the paper. Over-sanding is the bigger risk on veneer and plywood, where a few extra passes can go through the thin face layer.

Setting Up Your Sanding Workspace

Sanding puts a lot of fine dust into the air, so set up for it.

Ventilation And Dust Collection

Wood dust is a real exposure risk, not just a mess. OSHA states that wood dust exposure is associated with dermatitis, allergic respiratory effects, mucosal and nonallergic respiratory effects, and cancer, and calls local exhaust ventilation, which removes dust at or near its source, the primary control. For a sander, that means a dust port connected to a vacuum or extractor, not just the small bag on the machine.

Source	Wood dust limit (8-hour average)	Note
OSHA permissible exposure limit	15 mg/m3 total dust, 5 mg/m3 respirable	Legal limit for workplaces
NIOSH recommended limit	1 mg/m3 total dust	Wood dust listed as a potential occupational carcinogen (nasal cancer)
ACGIH threshold limit value	0.5 mg/m3 for western red cedar	Set because of cedar’s asthma effects

Figures from the NIOSH Pocket Guide entry for wood dust and OSHA’s woodworking eTool. The NIOSH recommendation is 15 times lower than OSHA’s total dust limit, so the legal limit is not a safe level for hours of sanding.

• Connect the sander’s dust port to a shop vacuum or dust extractor, and empty it before it is full.
• Use a fan or open window to move air out of the shop, not just around it.
• Wear a NIOSH-approved respirator, not a loose paper mask, and replace the filters when breathing gets harder.

More ways to cut dust at the source: how to reduce dust when sanding wood.

Lighting And Workbench Setup

Good lighting is how you see scratches, so it matters more for sanding than for most tasks. Consider the following when setting up your workspace:

1. Use strong, low-angle (raking) light across the surface so scratches and torn grain cast shadows you can see.
2. Position your workbench at a comfortable height to reduce strain on your back and shoulders.
3. Keep your work area clutter-free to minimize the risk of accidents and to have easy access to your tools and supplies.

Safety Gear: Masks, Goggles, Gloves

Protective gear is a non-negotiable part of sanding. Ensure you have the following safety gear at your disposal:

Item	Usage
Respirator	To protect your lungs from airborne wood dust; use a NIOSH-approved model.
Safety goggles	To shield your eyes from flying wood particles and debris.
Gloves	To safeguard your hands from splinters and sharp edges when hand sanding.

Selecting The Right Grit Sequence

The grit sequence is the progression of sandpaper grits used to remove imperfections and reach the finish you want. The right sequence depends on the project, so use the chart below, then see our full grit guide by task for other jobs.

Project	Start at	Sequence	Stop at
Rough or machine-marked hardwood	80 grit	80, 120, 180	180 grit (220 for a clear finish)
Planed hardwood to be stained (oak, maple)	100 to 120 grit	120, 150, 180	180 grit
Softwood to be stained (pine, cedar)	120 grit	120, 150, 180	180 grit (220 at most)
Veneer or pre-sanded plywood	120 to 150 grit	150, 180	180 grit, light pressure
Hardwood with a clear finish, no stain	120 grit	120, 150, 180, 220	220 grit (320 only as an exception)

Whitby Abrasives advises stopping at 180 to 220 before stain because over-sanding burnishes the surface and closes the grain, and Uneeda advises nothing finer than 240 on solid wood. For the stain-specific version, see how to sand wood for staining.

Starting With The Right Grit

Selecting the correct starting grit comes down to the surface. Use 60 to 80 grit only for rough lumber or heavily marked surfaces, and start at 100 to 150 on boards that are already planed. If you are dealing with actual holes rather than surface roughness, see our guide on sanding holes in wood for hole-specific technique.

Progression Through Finer Grits

After the starting grit, progress through finer grits: 120, then 150 or 180, one step at a time. Finish at 180 grit when the wood will be stained, and at 220 grit when it will get a clear finish with no stain.

When To Switch Sandpapers

Switch to the next finer grit only when every scratch from the current one is gone. Hold a light low across the surface and look for lines running in one direction: if you can see them, stay on the current grit. Switch to a fresh sheet as soon as the paper stops cutting, since a worn sheet burnishes instead of sanding.

Sanding Details And Curves

Edges, corners and moldings need different tools and a lighter touch than flat panels.

Sanding Edges, Corners, And Tough Spots

To reach edges, corners and tough spots, use sanding blocks with angled edges or specialized edge sanding tools. Pay attention to the grain direction and step up through finer grits gradually to avoid over-sanding and rounding the wood. For tight, right-angle inside corners specifically, see our guide on how to sand inside corners of wood.

Tools For Detailed Sanding Jobs

For detailed sanding jobs, small hand sanders such as detail sanders or oscillating multi-tools reach concealed areas and crevices.

Sanding Profiles And Moldings Effectively

For profiles and moldings, use profile sanders or custom-made sanding blocks that match the curve, which keeps the sanding uniform and the original shape intact. Always sand with the grain direction to prevent unnecessary damage.

Final Sanding And Surface Preparation

Once the bulk of the sanding is done, final sanding and surface preparation decide how the finish looks.

Tack Cloth For Dust Removal

Vacuum the surface first, then wipe lightly with a tack cloth to lift any remaining dust. Use light pressure so the cloth picks up dust without leaving residue on the wood. Sanding between finish coats uses much finer paper and has its own rules, covered in our guides to sanding between coats of stain and sanding between coats of paint.

Raising The Grain With Water

After final sanding, lightly dampen the wood surface with a barely damp cloth. This makes the wood fibers swell and stand up, so you can feel any raised grain. Once the wood is dry, lightly sand it once more with your final grit to knock the raised fibers down, so a water-based finish does not roughen the surface later.

Final Inspection Before Finishing

Before finishing, inspect the wood from several angles under raking light. Look for scratch lines, glue spots and torn grain. Fix them now, because stain and finish make flaws more visible.

Keep reading

• What Kind of Sandpaper for Wood Furniture (120-220)
• How to Smooth Out Rough Wood: 60 to 220 Grit Guide
• What Grade Sandpaper for Wood Furniture? (Grit by Finish Type)

Frequently Asked Questions For How To Sand Wood

What Is The Golden Rule Of Sanding?

Never skip more than one grit. Each grit has to erase the scratches left by the one before it, so jumping from 80 to 220 leaves deep scratches that show under stain. Sand with the grain and clear the dust between grits.

What Do You Start Sanding Wood With?

Start with 80 grit for rough lumber or surfaces with mill marks. On boards that are already planed, start at 100 to 120 grit for hardwoods and 120 to 150 for softwoods and veneer.

How Do You Sand Unfinished Wood?

Start at 80 to 120 grit depending on the surface, then step through 120, 150 and 180 grit with the grain. Clear the dust between grits and stop at 180 before stain, or 220 before a clear finish. Wear a respirator and goggles.

What Is The Best Sandpaper To Use On Wood?

Aluminum oxide is the standard choice for bare wood because it is durable and works on hardwoods and softwoods. Use 80 to 120 grit for shaping and smoothing and 180 to 220 grit for final prep.

What grit sandpaper should I use to sand oak?

On planed oak, start at 120 grit, then 150 and 180. Stop at 180 before stain: going finer can burnish the surface and close the grain so stain absorbs unevenly.

How do you know when wood is sanded enough?

Wood is sanded enough when raking light across the surface shows no scratches from the previous, coarser grit and the sheen looks uniform. Feel alone is not a reliable test.

Do you need a respirator to sand wood?

Yes. OSHA links wood dust to allergic respiratory effects and cancer, and NIOSH recommends keeping exposure to 1 mg/m3 or less. Use dust extraction at the sander and wear a NIOSH-approved respirator.

Conclusion

Pick the starting grit for the surface, step through grits without skipping, sand with the grain, check under raking light before moving up, and control the dust at the source. Do that and the finish will show the wood, not the scratches.