Per Diem 2024 Mileage And. 67 cents per mile driven for business use, up 1.5 cents. The 2024 maximum rate allowed by irs for pcm is 67.0 cents per mile effective from january 1, 2024, through december 31, 2024.
67 cents per mile driven for business use, up 1.5 cents. * airplane nautical miles (nms) should be converted into statute miles (sms) or regular miles when submitting a voucher using the formula (1 nm equals 1.15077945 sms).