Sharpening Angle Finder

Pick a tool and its main use. Get the right angle instantly.

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Select a tool to see its recommended angle

Angle Comparison Table

All common tools at a glance. Bookmark this page and come back whenever you add a new tool to your shop.

Tool Primary Angle Micro-Bevel Total Included Best For
Paring chisel25°28-30°50-60°Light push cuts, end grain
Firmer chisel25°30-32°50-64°Medium paring, light mallet
Mortise chisel30°35°60-70°Heavy chopping, hardwoods
Smoothing plane25°30°50-60°Final surface prep
Jack plane25°30-32°50-64°Rough dimensioning
Jointer plane25°30°50-60°Edge jointing, long cuts
Block plane20°25°40-50°End grain, chamfers
Kitchen knife15-20°N/A30-40°General cooking
Japanese knife12-15°N/A24-30°Precise slicing
Pocket knife20°22-25°40-50°Everyday carry tasks
Hunting knife20-25°25-28°40-56°Field dressing, camps
Bread knife20°N/A40°Serrated slicing
Camping axe25-30°30-35°50-70°Splitting, limbing
Hatchet25°30°50-60°Kindling, light chopping
Drawknife25°28°50-56°Rough shaping, bark
Sweep gouge20-25°28°40-56°Carving, hollowing
Household scissors55-70°N/A110-140°Paper, fabric, general
Hair shears40-50°N/A80-100°Cutting hair cleanly

Common Mistakes and How to Avoid Them

Going too low on soft steel

A 15-degree edge looks sharp right away on a cheap chisel, but it rolls over in seconds because the steel is too soft to hold that thin an edge. Bump up to 28-30 degrees and the edge will last longer even though it feels less razor-sharp at first.

Ignoring the micro-bevel

You do not need to re-grind the whole 25-degree face every time. Just add a tiny secondary bevel at 28-30 degrees on the last few millimeters of the edge. It takes 10 seconds on a stone and gives you a much tougher edge for hard use.

Sharpening at one angle for every tool

A paring chisel and a mortise chisel do very different jobs. The paring chisel can run at 25 degrees for easy slicing. The mortise chisel needs 30 degrees or more because it takes heavy hits. Use the table above to set each tool for its actual job.

Not checking your jig setup

If you use a guided sharpening system like a Tormek, Edge Pro, or Worksharp, double-check the angle setting against a digital angle gauge. Jig registration can be off by 1-2 degrees, which makes a real difference on kitchen knives.

Skipping grits

Jumping from a 400-grit stone to a strop leaves a rough edge that dulls fast. Work through at least three grits: start around 400-800 for shaping, move to 1000-3000 for refining, then finish at 4000-8000 or on a strop with compound.

Forgetting to hone between full sharpenings

You should not re-grind every time the edge feels dull. A few strokes on a fine stone or a leather strop brings the edge back without removing metal. Save the coarse stone for when the edge is nicked or the angle has changed.

Jig Setup Notes for Popular Sharpening Systems

Tormek

Use the WM-200 AngleMaster to set the exact degree. For a 25-degree chisel, set the WM-200 to 25 and register the tool against the jig stop. The Tormek runs wet, so expect the effective angle to be slightly lower than the jig setting because of the micro-bevel that forms during honing.

Edge Pro Apex

The Edge Pro uses a fixed pivot, so the angle depends on blade height and stone position. Use the angle chart that comes with the system, or set a digital level on the stone to verify. A 20-degree kitchen knife typically needs the blade raised about 12-14 mm from the table.

Worksharp Precision Adjust

This system has a dial indicator for angle setting. Dial directly to the angle from this page. The cam clamp holds chisels and plane irons flat, which gives consistent results. Remember to account for the guide rod offset if you are measuring from the stone surface.

Freehand on waterstones

Freehand sharpening takes practice. Start by marking the bevel with a felt pen and taking a few strokes. If the ink is removed evenly across the bevel, your angle is correct. Use the coin trick as a guide for bevel width at your target angle.

Steel Types and Angle Adjustments

The same tool can run at different angles depending on what it is made from. Harder steels hold a thinner edge without chipping. Softer steels need a steeper angle to keep the edge from rolling.

Steel Family Examples Relative Hardness Angle Adjustment
Mild / soft carbonOld Stanley irons, hardware store chiselsLowAdd 2-5° to base angle
Standard high-carbonO1, 1095, 1084MediumUse base angle as listed
High-alloy tool steelA2, D2, M2HighCan reduce 1-2° from base
PM stainlessS30V, S110V, M390, 20CVVery highCan reduce 2-5° for light work
CeramicKyocera, zirconiaExtremely hard, brittleUse factory angle only; do not re-sharpen at home