401(k) Calculator
Project your 401(k) balance at retirement with employer match, compound growth and 2026 IRS limits.

Category 01 of 12 · Retirement, ads and labour cost
Our finance calculators help you plan savings, compare interest rates and understand the numbers behind your pay and your business – from 401(k) growth and the effective annual rate of a loan to labour cost, burn rate and staff turnover.
Every result shows the formula used and a worked example. Rules that change each year, such as 401(k) limits and state tax rates, are dated on the page. For take-home pay, go straight to the Paycheck Calculators for all 50 states and Washington, DC.
Project your retirement balance and see how contributions and employer match add up. · 1 live
Project your 401(k) balance at retirement with employer match, compound growth and 2026 IRS limits.
Compare rates, convert basis points and measure growth in value. · 3 live
Convert a nominal rate to the effective annual rate for any compounding frequency, including continuous.
Convert basis points to percent, decimal and dollar amounts and back.
Project the future value of a home, land or investment at any growth rate.
Estimate your net pay after federal, state and payroll taxes. · 1 live
Take-home pay calculators for all 50 states and Washington, DC.
Understand what staff really cost, how fast you spend cash and how many people leave. · 3 live
Estimate total labour cost from hourly rate, hours, workers, overtime, payroll/benefit costs and markup.
Calculate your gross and net burn rate and how many months of cash runway you have.
Calculate employee turnover rate for any period.
Work out cost per thousand impressions and click-through rate (more ad tools are in Marketing Calculators). · 2 live
Calculate CPM, total ad cost or impressions from any two values.
Calculate click-through rate, clicks or impressions from any two values.
Quick guide
Match what you’re trying to do with the right tool.
Every calculator on Tuff Search shows the formula or method it uses, a worked example and its limits, and lists its sources where facts matter. Health, money and legal-rule pages are checked against official or peer-reviewed sources and dated. Read how we build and review calculators in our Editorial Policy.
Results are estimates for information only and are not professional advice. Read our Disclaimer.
FAQ
Short answers about the finance calculators.
We add new calculators regularly. Email suggestions@tuffsearch.com with the calculation you need.
New calculator ideassuggestions@tuffsearch.comNo. They are estimates to help you understand the numbers. For decisions about investments, loans or taxes, talk to a qualified adviser.
Each page states the year of any limits or tax rates it uses – for example 2026 401(k) limits and 2026 state tax rates – and is reviewed when rules change.
No. Calculations run in your browser and the figures you type are not sent to us. See our Privacy Policy for how the site uses cookies.
APR is the stated yearly rate; EAR (effective annual rate) includes the effect of compounding, so it shows the true yearly cost or return.
In their own section, Paycheck Calculators, with a page for every US state and Washington, DC.
Keep exploring
Other calculators people use alongside these.