Salary calculation history
The table below keeps a history of your salary calculations, including gross and net pay, deductions, savings, and employer cost.
Salary Calculator – Net Pay, Tax and Employer Cost
Flexible Salary Calculator for Net Pay and Employer Cost
This salary calculator helps you estimate net salary, tax deductions, savings and employer cost using simple and transparent percentages. Instead of replicating one specific tax system, it lets you enter your own effective rates so that the same tool can work in any country or region. Default values are based on typical U.S. assumptions, but every field can be changed to match your real situation.
From gross salary to net salary
The starting point of the calculation is your gross monthly salary and your annual bonus. If we denote the gross monthly salary by \( G_m \), the number of pay periods per year by \( n \) and the annual bonus by \( B \), the gross annual salary is:
\[ G_y = G_m \cdot n + B \]
The calculator then applies three groups of employee deductions: income tax, social security and other deductions. If their effective rates are \( t_{\text{tax}} \), \( t_{\text{social}} \) and \( t_{\text{other}} \), the total deduction rate is:
\[ t_{\text{total}} = t_{\text{tax}} + t_{\text{social}} + t_{\text{other}} \]
Monthly deductions from the gross salary are calculated as:
\[ D_m = G_m \cdot \frac{t_{\text{total}}}{100} \]
The monthly net salary is:
\[ N_m = G_m - D_m \]
Annual deductions and annual net pay follow the same idea:
\[ D_y = G_y \cdot \frac{t_{\text{total}}}{100} \quad\text{and}\quad N_y = G_y - D_y \]
Employer cost on top of gross salary
Many employers pay additional contributions on top of the gross salary, such as pension contributions, employer social security, unemployment insurance or other benefits. If the employer contribution rate is \( t_{\text{employer}} \), the monthly and annual employer costs are:
\[ C_m = G_m \cdot \left(1 + \frac{t_{\text{employer}}}{100}\right) \]
\[ C_y = G_y \cdot \left(1 + \frac{t_{\text{employer}}}{100}\right) \]
By comparing employer cost with net salary you can better understand how much your job really costs the company and how much of that cost reaches your bank account.
Planning savings from net salary
The calculator also estimates how much you can save each month and each year. If the savings rate from your net salary is \( t_{\text{savings}} \), the formulas are:
\[ S_m = N_m \cdot \frac{t_{\text{savings}}}{100} \]
\[ S_y = N_y \cdot \frac{t_{\text{savings}}}{100} \]
These values are useful for long-term financial planning, comparing different job offers or understanding how tax changes will affect your future savings capacity.
History table, export and column customization
Every time you click the calculation button, the current result is added as a new row in the history table. Each row stores gross and net salaries, the combined deduction rate, employer costs and savings amounts. You can filter the table using the search box, export results to CSV or Excel, and adjust which columns are visible.
The column customization modal lets you reorder columns via drag and drop and toggle them on or off with switches. At least one column must remain visible. This makes the salary calculator a practical tool both for employees who want to analyse their pay slip and for HR or finance teams who need structured data for budgeting and reporting.