Use these free tools to make quick financial calculations and better business decisions. All calculations are performed in your browser - we never store your data.
Profit Margin Calculator
Calculate your gross profit margin and markup percentage to ensure healthy pricing.
Gross Profit Margin
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Profit Amount:
$0.00
Markup Percentage:
0%
Break-Even Calculator
Determine how many units you need to sell to cover your fixed costs.
Break-Even Point
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Break-Even Revenue:
$0.00
Contribution Margin:
$0.00
Hourly Rate Calculator
Calculate the hourly rate you need to charge to meet your income goals.
Minimum Hourly Rate
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Total Annual Revenue Needed:
$0
Total Billable Hours/Year:
0 hours
Sales Tax Calculator
Calculate sales tax and total price for customer transactions.
Total Amount
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Subtotal:
$0.00
Sales Tax:
$0.00
Payroll Cost Calculator
Estimate the true cost of hiring an employee including taxes and benefits.
Total Annual Cost
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Base Salary:
$0
Payroll Taxes:
$0
Benefits & Other:
$0
Early Payment Discount Calculator
Calculate the effective interest rate of early payment discounts.
Discount Savings
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Payment with Discount:
$0.00
Effective Annual Rate:
0%
📅 Important Tax Deadlines for 2026
January 31, 2026
W-2 & 1099 Forms
Deadline to provide W-2s to employees and 1099s to contractors
March 16, 2026
S-Corp & Partnership Returns
Filing deadline for S-Corporation and Partnership tax returns (Form 1120S, 1065)
April 15, 2026
Individual & C-Corp Returns
Filing deadline for individual (1040) and C-Corporation (1120) tax returns
April 15, 2026
Q1 Estimated Taxes
First quarter estimated tax payment deadline
June 15, 2026
Q2 Estimated Taxes
Second quarter estimated tax payment deadline
September 15, 2026
Q3 Estimated Taxes
Third quarter estimated tax payment deadline
October 15, 2026
Extended Return Deadline
Final deadline for extended individual tax returns
January 15, 2027
Q4 Estimated Taxes
Fourth quarter estimated tax payment deadline