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.
Convert the other way: grit to CAMI
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 | grit |
|---|---|
| 40 CAMI | P40 grit |
| 60 CAMI | P60 grit |
| 76 CAMI | P80 grit |
| 92 CAMI | P100 grit |
| 113 CAMI | P120 grit |
| 141 CAMI | P150 grit |
| 172 CAMI | P180 grit |
| 213 CAMI | P220 grit |
| 232 CAMI | P240 grit |
| 272 CAMI | P319 grit |
| 326 CAMI | P402 grit |
| 383 CAMI | P600 grit |
| 446 CAMI | P800 grit |
| 538 CAMI | P1000 grit |
| 779 CAMI | P1500 grit |
| 927 CAMI | P2001 grit |
grit to CAMI conversion table
| grit | CAMI |
|---|---|
| P40 grit | 40 CAMI |
| P60 grit | 60 CAMI |
| P80 grit | 76 CAMI |
| P100 grit | 92 CAMI |
| P120 grit | 113 CAMI |
| P150 grit | 141 CAMI |
| P180 grit | 172 CAMI |
| P220 grit | 213 CAMI |
| P240 grit | 232 CAMI |
| P320 grit | 272 CAMI |
| P400 grit | 326 CAMI |
| P600 grit | 383 CAMI |
| P800 grit | 446 CAMI |
| P1000 grit | 538 CAMI |
| P1500 grit | 779 CAMI |
| P2000 grit | 927 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.
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