convertimate Sandpaper grit

CAMI / ANSI grit to FEPA P-grade

Type a value in CAMI to get it in grit instantly.

P224grit

That's 1.43× as coarse as P320 paper between coats, while P220 paper before finishing is 1.03× coarser.

What it means

How coarse is that grit?

Average particle sizes from FEPA (ISO 6344), ANSI B74.12/B74.18 and JIS R6001. Brands and bonds vary; treat values between listed grits as estimates.

The math

How to convert CAMI to grit

Grit scales are tables: P220 = 68 µm = CAMI 220, but P1000 = 18.3 µm ≈ CAMI 600. Between listed grits the size is interpolated.

Example: 220 CAMI = P224 grit.

Every unit

That grit in every standard

Tables

CAMI to grit conversion table

CAMI to grit conversion table
CAMIgrit
40 CAMIP40 grit
60 CAMIP60 grit
76 CAMIP80 grit
92 CAMIP100 grit
113 CAMIP120 grit
141 CAMIP150 grit
172 CAMIP180 grit
213 CAMIP220 grit
232 CAMIP240 grit
272 CAMIP319 grit
326 CAMIP402 grit
383 CAMIP600 grit
446 CAMIP800 grit
538 CAMIP1000 grit
779 CAMIP1500 grit
927 CAMIP2001 grit
grit to CAMI conversion table
grit to CAMI conversion table
gritCAMI
P40 grit40 CAMI
P60 grit60 CAMI
P80 grit76 CAMI
P100 grit92 CAMI
P120 grit113 CAMI
P150 grit141 CAMI
P180 grit172 CAMI
P220 grit213 CAMI
P240 grit232 CAMI
P320 grit272 CAMI
P400 grit326 CAMI
P600 grit383 CAMI
P800 grit446 CAMI
P1000 grit538 CAMI
P1500 grit779 CAMI
P2000 grit927 CAMI

Quick answers

Quick answers

How many grit is 220 CAMI?
220 CAMI is P224 grit.

The units

About these units

CAMI / ANSI grit (CAMI)

The US grade, printed without a P.

FEPA P-grade (grit)

The European grade printed with a P: P120, P400.

Learn more about grit units

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