Author: PK

PK started DQYDJ in 2009 to research and discuss finance and investing and help answer financial questions. He's expanded DQYDJ to build visualizations, calculators, and interactive tools. PK lives in New Hampshire with his wife, kids, and dog.
Days Calculator: See the Day Difference Between Two Dates

Below is a days between dates calculator, or day calculator. Enter a start date and an end date and we'll […]

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Return on Investment (ROI) Calculator

On this page is a return on investment calculator, often abbreviated ROI. Enter a beginning and ending amount and time-frame […]

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Inflation Expectations in June, 2019

Don't look now - inflation expectations are getting interesting again. Last year, inflation expectations as measured by the difference between […]

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The First Ten Years of DQYDJ

Where were you ten years ago today? Funnily enough, I know where I was - logged into WordPress for the […]

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Income by Race: Average, Top One Percent, and Inequality in 2018

In other posts, we've addressed how income by age and individual income differs. Unfortunately, even age doesn't tell the whole […]

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If You Always Maxed Out Your 401(k) How Much Money Would You Have?

The 401(k) is one of the best accounts to save a significant amount for retirement in the United States. 401(k) […]

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If You Always Maxed Out Your IRA How Much Money Would You Have?

The Individual Retirement Account or IRA is an excellent tax free account available to most American workers. Unlike 401(k)s, IRAs are […]

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Should You Focus on Spending Less or Earning More?

One of the age old arguments in personal finance is the relative priority of earn more or save less. Since […]

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What are the Magical Saving Rate Breakpoints?

One question we get quite a bit is related to the fundamentals of saving: is there a magic savings rate? […]

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Body Fat Percentage by Age Comparison Calculator for the United States

On this page is a body fat percentage comparison calculator by age for adult men and women in the United […]

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Don't Quit Your Day Job...

DQYDJ may be compensated by our partners if you make purchases through links. See our disclosures page. As an Amazon Associate we earn from qualifying purchases.
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