Drilling Speed and Feed Calculator

Tool Diameter Chart

Drill size Diameter (in) Diameter (mm)
#107 0.0019 0.0483
0.05 mm0.00200.0500
#1060.00230.0584
#1050.00270.0686
#1040.00310.0787
#1030.00350.0889
#1020.00390.0991
0.1 mm0.00390.1000
#1010.00430.1092
#1000.00470.1194
#990.00510.1295
#980.00550.1397
#970.00590.1499
#960.00630.1600
#950.00670.1702
#940.00710.1803
#930.00750.1905
0.2 mm0.00790.2000
#920.00790.2007
#910.00830.2108
#900.00870.2210
#890.00910.2311
#880.00950.2413
#870.01000.2540
#860.01050.2667
#850.01100.2794
#840.01150.2921
0.3 mm0.01180.3000
#830.01200.3048
#820.01250.3175
#810.01300.3302
#800.01350.3429
#790.01450.3680
1/64 in0.01560.3969
0.4 mm0.01580.4000
#780.01600.4064
#770.01800.4572
0.5 mm0.01970.5000
#760.02000.5080
#750.02100.5334
#740.02250.5715
0.6 mm0.02360.6000
#730.02400.6096
#720.02500.6350
#710.02600.6604
0.7 mm0.02760.7000
#700.02800.7112
#690.02920.7417
#680.03100.7874
1/32 in0.03130.7938
0.8 mm0.03150.8000
#670.03200.8128
#660.03300.8382
#650.03500.8890
0.9 mm0.03540.9000
#640.03600.9144
#630.03700.9398
#620.03800.9652
#610.03900.9906
1 mm0.03941.0000
#600.04001.0160
#590.04101.0414
#580.04201.0668
#570.04301.0922
1.1 mm0.04331.1000
#560.04651.1811
3/64 in0.04691.1906
1.2 mm0.04721.2000
1.3 mm0.05121.3000
#550.05201.3208
#540.05501.3970
1.4 mm0.05511.4000
1.5 mm0.05911.5000
#530.05951.5113
1/16 in0.06251.5875
1.6 mm0.06301.6000
#520.06351.6129
1.7 mm0.06691.7000
#510.06701.7018
#500.07001.7780
1.8 mm0.07091.8000
#490.07301.8542
1.9 mm0.07481.9000
#480.07601.9304
5/64 in0.07811.9844
#470.07851.9939
2 mm0.07872.0000
#460.08102.0574
#450.08202.0828
2.1 mm0.08272.1000
#440.08602.1844
2.2 mm0.08662.2000
#430.08902.2606
2.3 mm0.09062.3000
#420.09352.3749
3/32 in0.09382.3813
2.4 mm0.09452.4000
#410.09602.4384
#400.09802.4892
2.5 mm0.09842.5000
#390.09952.5273
#380.10152.5781
2.6 mm0.10242.6000
#370.10402.6416
2.7 mm0.10632.7000
#360.10652.7051
7/64 in0.10942.7781
#350.11002.7940
2.8 mm0.11022.8000
#340.11102.8194
#330.11302.8702
2.9 mm0.11422.9000
#320.11602.9464
3 mm0.11813.0000
#310.12003.0480
3.1 mm0.12213.1000
1/8 in0.12503.1750
3.2 mm0.12603.2000
#300.12853.2639
3.3 mm0.12993.3000
3.4 mm0.13393.4000
#290.13603.4544
3.5 mm0.13783.5000
#280.14053.5687
9/64 in0.14063.5719
3.6 mm0.14173.6000
#270.14403.6576
3.7 mm0.14573.7000
#260.14703.7338
#250.14953.7973
3.8 mm0.14963.8000
#240.15203.8608
3.9 mm0.15353.9000
#230.15403.9116
5/32 in0.15633.9688
#220.15703.9878
4 mm0.15754.0000
#210.15904.0386
#200.16104.0894
4.1 mm0.16144.1000
4.2 mm0.16544.2000
#190.16604.2164
4.3 mm0.16934.3000
#180.16954.3053
11/64 in0.17194.3656
#170.17304.3942
4.4 mm0.17324.4000
#160.17704.4958
4.5 mm0.17724.5000
#150.18004.5720
4.6 mm0.18114.6000
#140.18204.6228
#130.18504.6990
4.7 mm0.18504.7000
3/16 in0.18754.7625
4.8 mm0.18904.8000
#120.18904.8006
#110.19104.8514
4.9 mm0.19294.9000
#100.19354.9149
#90.19604.9784
5 mm0.19695.0000
#80.19905.0546
5.1 mm0.20085.1000
#70.20105.1054
13/64 in0.20315.1594
#60.20405.1816
5.2 mm0.20475.2000
#50.20555.2197
5.3 mm0.20875.3000
#40.20905.3086
5.4 mm0.21265.4000
#30.21305.4102
5.5 mm0.21655.5000
7/32 in0.21885.5563
5.6 mm0.22055.6000
#20.22105.6134
5.7 mm0.22445.7000
#10.22805.7912
5.8 mm0.22845.8000
5.9 mm0.23235.9000
A0.23405.9436
15/64 in0.23445.9531
6 mm0.23626.0000
B0.23806.0452
6.1 mm0.24026.1000
C0.24206.1468
6.2 mm0.24416.2000
D0.24606.2484
6.3 mm0.24806.3000
1/4 in0.25006.3500
E0.25006.3500
6.4 mm0.25206.4000
6.5 mm0.25596.5000
F0.25706.5278
6.6 mm0.25986.6000
G0.26106.6294
6.7 mm0.26386.7000
17/64 in0.26566.7469
H0.26606.7564
6.8 mm0.26776.8000
6.9 mm0.27176.9000
I0.27206.9088
7 mm0.27567.0000
J0.27707.0358
7.1 mm0.27957.1000
K0.28107.1374
9/32 in0.28137.1438
7.2 mm0.28357.2000
7.3 mm0.28747.3000
L0.29007.3660
7.4 mm0.29137.4000
M0.29507.4930
7.5 mm0.29537.5000
19/64 in0.29697.5406
7.6 mm0.29927.6000
N0.30207.6708
7.7 mm0.30327.7000
7.8 mm0.30717.8000
7.9 mm0.31107.9000
5/16 in0.31257.9375
8 mm0.31508.0000
O0.31608.0264
8.1 mm0.31898.1000
8.2 mm0.32288.2000
P0.32308.2042
8.3 mm0.32688.3000
21/64 in0.32818.3344
8.4 mm0.33078.4000
Q0.33208.4328
8.5 mm0.33478.5000
8.6 mm0.33868.6000
R0.33908.6106
8.7 mm0.34258.7000
11/32 in0.34388.7313
8.8 mm0.34658.8000
S0.34808.8392
8.9 mm0.35048.9000
9 mm0.35439.0000
T0.35809.0932
9.1 mm0.35839.1000
23/64 in0.35949.1281
9.2 mm0.36229.2000
9.3 mm0.36619.3000
U0.36809.3472
9.4 mm0.37019.4000
9.5 mm0.37409.5000
3/8 in0.37509.5250
V0.37709.5758
9.6 mm0.37809.6000
9.7 mm0.38199.7000
9.8 mm0.38589.8000
W0.38609.8044
9.9 mm0.38989.9000
25/64 in0.39069.9219
10 mm0.393710.0000
X0.397010.0838
Y0.404010.2616
13/32 in0.406310.3188
Z0.413010.4902
10.5 mm0.413410.5000
27/64 in0.421910.7156
11 mm0.433111.0000
7/16 in0.437511.1125
11.5 mm0.452811.5000
29/64 in0.453111.5094
15/32 in0.468811.9063
12 mm0.472412.0000
31/64 in0.484412.3031
12.5 mm0.492112.5000
1/2 in0.500012.7000
13 mm0.511813.0000
33/64 in0.515613.0969
17/32 in0.531313.4938
13.5 mm0.531513.5000
35/64 in0.546913.8906
14 mm0.551214.0000
9/16 in0.562514.2875
14.5 mm0.570914.5000
37/64 in0.578114.6844
15 mm0.590615.0000
19/32 in0.593815.0813
39/64 in0.609415.4781
15.5 mm0.610215.5000
5/8 in0.625015.8750
16 mm0.629916.0000
41/64 in0.640616.2719
16.5 mm0.649616.5000
17 mm0.669317.0000
43/64 in0.671917.0656
11/16 in0.687517.4625
17.5 mm0.689017.5000
45/64 in0.703117.8594
18 mm0.708718.0000
23/32 in0.718818.2563
18.5 mm0.728418.5000
47/64 in0.734418.6531
19 mm0.748019.0000
3/4 in0.750019.0500
49/64 in0.765619.4469
19.5 mm0.767719.5000
25/32 in0.781319.8438
20 mm0.787420.0000
51/64 in0.796920.2406
20.5 mm0.807120.5000
13/16 in0.812520.6375
21 mm0.826821.0000
53/64 in0.828121.0344
27/32 in0.843821.4313
21.5 mm0.846521.5000
55/64 in0.859421.8281
22 mm0.866122.0000
7/8 in0.875022.2250
22.5 mm0.885822.5000
57/64 in0.890622.6219
23 mm0.905523.0000
29/32 in0.906323.0188
21/23 in0.913023.1913
59/64 in0.921923.4156
23.5 mm0.925223.5000
15/16 in0.937523.8125
24 mm0.944924.0000
61/64 in0.953124.2094
24.5 mm0.964624.5000
31/32 in0.968824.6063
25 mm0.984325.0000
63/64 in0.984425.0031
1 in1.000025.4000
25.5 mm1.003925.5000
1 1/64 in1.015625.7969
26 mm1.023626.0000
1 1/32 in1.031326.1938
26.5 mm1.043326.5000
1 3/64 in1.046926.5906
1 1/16 in1.062526.9875
27 mm1.063027.0000
1 5/64 in1.078127.3844
27.5 mm1.082727.5000
1 3/32 in1.093827.7813
28 mm1.102428.0000
1 7/64 in1.109428.1781
28.5 mm1.122128.5000
1 1/8 in1.125028.5750
1 9/64 in1.140628.9719
29 mm1.141729.0000
1 5/32 in1.156329.3688
29.5 mm1.161429.5000
1 11/64 in1.171929.7656
30 mm1.181130.0000
1 3/16 in1.187530.1625
30.5 mm1.200830.5000
1 13/64 in1.203130.5594
1 7/32 in1.218830.9563
31 mm1.220531.0000
1 15/64 in1.234431.3531
31.5 mm1.240231.5000
1 1/4 in1.250031.7500
32 mm1.259832.0000
1 17/64 in1.265632.1469
32.5 mm1.279532.5000
1 9/32 in1.281332.5438
1 19/64 in1.296932.9406
33 mm1.299233.0000
1 5/16 in1.312533.3375
33.5 mm1.318933.5000
1 21/64 in1.328133.7344
34 mm1.338634.0000
1 11/32 in1.343834.1313
34.5 mm1.358334.5000
1 23/64 in1.359434.5281
1 3/8 in1.375034.9250
35 mm1.378035.0000
1 25/64 in1.390635.3219
35.5 mm1.397635.5000
1 13/32 in1.406335.7188
36 mm1.417336.0000
1 27/64 in1.421936.1156
36.5 mm1.437036.5000
1 7/16 in1.437536.5125
1 29/64 in1.453136.9094
37 mm1.456737.0000
1 15/32 in1.468837.3063
37.5 mm1.476437.5000
1 31/64 in1.484437.7031
38 mm1.496138.0000
1 1/2 in1.500038.1000
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