5
votes
3answers
350 views

Is this the correct math for estimating federal taxes using marginal tax brackets?

(I updated this because I think I wasnt making myself clear in the first part of the question and I clarified what I'm trying to do. I'm just looking to use marginal tax brackets to derive a good ...
3
votes
1answer
118 views

How to determine withholding so at end of the year I neither owe more, nor get a refund?

A while back I was on a W2 job and I would get a large sum on my tax return. At one point I found a calculator that helped me figure out how to configure my W4 so that I would neither owe nor be owed ...
2
votes
3answers
191 views

What is the optimal way to calculate tax: apply tax to each item, then sum the prices, or sum the prices, then apply tax? When are prices rounded?

What is the optimal way to calculate tax? Lets say tax is 7.5% or 0.075. $2.32 X 1.075 = 2.494 --> Rounded: $2.50 You can say that item is $2.50 (tax included) and if you have two items: ...
7
votes
1answer
15k views

How to determine contractor hourly rate and employee salary equivalents?

I am aware of the general differences between being an employee and being an independent contractor. However, I am unable to easily compare the two when it comes to after-tax compensation. Company ...
2
votes
2answers
1k views

Formula for calculating real cost of a deductible expense

Nice round numbers: say I perform a job that gets $1000 gross (call this g) in which I incur $100 in expense (call this e). The expense is fully deductible. Assume my marginal tax rate is 25% (call ...