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.
IRA Calculator – How Large Can Your Account Grow?

On this page is an IRA calculator you can use to model and estimate the balance of your IRA over time. Enter […]

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Quadrupling Time Calculator

On this page is a quadrupling time calculator. Enter a rate of return in percentage form, and the tool will […]

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Tripling Time Calculator

On this page is a tripling time calculator. Enter a rate of return in percentage form, and the tool will […]

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Doubling Time Calculator

On this page is a doubling time calculator. Enter a rate of return in percentage form, and the tool will […]

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Percentage of Percentage Calculator

Below is a percentage of percentage calculator, which will calculate the percentage of another percentage. Enter a percentage X% which […]

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Percentage Average Calculator

Below is a percentage average calculator, which will calculate the arithmetic mean of a list of percentages. Enter as many […]

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Accredited Investors vs. Qualified Clients vs. Qualified Purchasers

In the United States, there are regulation-driven investor classifications that dictate how private funds work – and, importantly, who can […]

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How Many Qualified Purchasers Are There in America? (2020)

Based on data from 2020, we estimate 1,956,090 households in the United States, or 1.5% of households, were qualified purchasers. By our […]

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How Many Qualified Clients Are There in America? (2020)

Based on net worth in 2020, we estimate that 6,398,420 US households, or 4.97% of all households, were qualified clients. Nearly half (~46.8%) of all accredited […]

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APY to APR Calculator – What Would the APR Be?

On this page is an annual percentage yield to annual percentage rate or apy to apr calculator. Sometimes you have an APY, […]

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