# 401k Calculator

> Estimate the growth of your 401(k) retirement savings, including employer matching contributions.

Page: https://askcalculators.com/calculator/401k-calculator/
Definition: https://askcalculators.com/calculator/401k-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/401k-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/401k-calculator/?salary=80000&contributionPercent=10&returnRate=7&currentBalance=50000&years=30&salaryIncrease=2&employerMatch=50&matchLimit=6

## Inputs
- salary: Annual Salary; type=number; optional; default=80000
- contributionPercent: Your Contribution; type=number; optional; default=10
- returnRate: Annual Return; type=number; optional; default=7
- currentBalance: Current Balance; type=number; optional; default=50000
- years: Years to Grow; type=number; optional; default=30
- salaryIncrease: Annual Salary Increase; type=number; optional; default=2
- employerMatch: Match % of Contribution; type=number; optional; default=50
- matchLimit: Match Limit (% of Salary); type=number; optional; default=6

## Outputs
- result: Result; format=text; primary

## Formula
Each year: balance = (balance + employee contribution + employer match) × (1 + annual return); salary and contributions then grow by their entered rates.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.