The charitable mileage rate for 2021 was $0.14 cents per mile. Charitable Contributions
The business mileage rate for 2021 was 56 cents ($0.54) per mile. As of 2018, unreimbursed employee business expenses/job-related expenses are no longer deductible as an itemized deduction subject to the 2@ of Adjusted Gross Income (AGI) floor. They may still be deductible on some state returns.
This link provides the mileage rates for 2021 and 2022.
What are the standard mileage rates?