Choose a Tax Planning Calculator that suits your needs
Quickly compute the tax savings for Schedule C, S-Corps, and C-Corporations.
Tax Calc Business
Good for Business Owners and Independent Contractors
$149/yr
Tax Calc Pro
Good for Tax Professionals and Accountants
$349/yr
Powerful Features for Tax Professionals
and Business Owners
Everything you need to provide accurate tax planning services to your clients with
confidence and efficiency.
SE Tax Savings
Compare savings for business owners, for S Corp versus Schedule C versus C Corp with detailed calculations.
QBI Calculations
Comprehensive Qualified Business Income deduction calculations for accurate tax planning.
Excel Sheets
Microsoft Excel Sheets format for maximum flexibility.
Social Security Benefits
Calculate the Present Value of Social Security Benefits for comprehensive retirement planning.
Professional Grade
Built specifically for tax professionals with advanced features and accurate projections.
Time Saving
Streamline your tax planning process and serve more clients with automated calculations.
Highly Recommended
Recommended by top accountants, tax professionals, business owner, and more.



Frequently Asked Questions
Find answers to commonly asked questions about our products and services.
What am I purchasing?
An excel spread sheet designed to calculate out earnings.
Why doesn’t it match other similar spreads sheets?
We calculate certain deductions as they should be, adjusting your S-Corp income for the deductible half of your SE taxes, QBI, the effects of health insurance.
Why calculate out the PV of Social security and what if social security isn’t around? Can’t I just invest money at 10%?
Shipping times vary depending on your location. Typically, orders are processed within 1-2 business days, and delivery can take anywhere from 3-10 business days. You will receive a tracking number once your order has been shipped.
How to use the spread sheet?
Yes, we offer international shipping to selected countries. During the checkout process, you will be able to see if your country is eligible for shipping. Please note that additional customs fees or taxes may apply upon delivery, which are the responsibility of the recipient.
What’s the best way to use the spread sheet?
We have a 30-day return policy. If you are not satisfied with your purchase, you can return it for a refund or exchange within 30 days of receiving your order. Please reach out to our customer service team to initiate the return process.
You keep saying not to rely on your numbers for reasonable compensation, how should I calculate out reasonable compensation.
Yes, once your order has been shipped, you will receive a tracking number via email. You can use this tracking number to track the progress of your shipment on our website or the couriers website.
Why does SEHI help the decision towards an S-Corp?
Yes, we take the security of your personal information seriously. We use industry-standard encryption and security measures to protect your data. Your information will only be used for order processing and will not be shared with any third parties.
My tax pro told me to choose S-Corp because I had X amount of money? why might that be wrong?
Our customer service team is available to assist you via email, phone, or live chat. You can find our contact information on our websites Contact Us page. We strive to respond to all inquiries within 24 hours.