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Both calculators run independently — change the inputs on either side to compare results.

Roth IRA Calculator

Project your Roth IRA's tax-free balance at retirement by combining your existing savings with years of annual contributions compounding at your expected return. Use it to see how much tax-free income you can generate after age 59½.

Current Age (years)

Retirement Age (years)

Current Roth IRA Balance ($)

Annual Contribution ($)

Expected Annual Return (%)

Income Level

Fill in the required fields to see your result.

Investing

P/E Ratio Calculator

Compute a stock's P/E ratio by dividing its current share price by earnings per share. Use it to quickly gauge whether a stock looks overvalued or undervalued relative to its peers.

Stock Price ($)

Earnings Per Share ($)

Fill in the required fields to see your result.

Key differences

	Roth IRA Calculator	P/E Ratio Calculator
Category	Investing	Investing
Inputs required	6	2
Result	Tax-Free Retirement Balance ($)	P/E Ratio
What it does	Project your Roth IRA's tax-free balance at retirement by combining your existing savings with years of annual contributions compounding at your expected return. Use it to see how much tax-free income you can generate after age 59½.	Compute a stock's P/E ratio by dividing its current share price by earnings per share. Use it to quickly gauge whether a stock looks overvalued or undervalued relative to its peers.