Your 2016 Tax Fact Sheet and Calendar

It's not hard to find tax information on the Internet--when quarterly taxes are due, 401(k) contribution limits, and so forth. But in the interest of saving you a few clicks, we've amalgamated all of 2016's important tax facts and dates in a single spot.

2016: Important Tax Facts for Investors IRA contribution limits (Roth or traditional): $5,500 under age 50/$6,500 over age 50.

Income limits for deductible IRA contribution, single filers or married couples filing jointly who aren't covered by a retirement plan at work: None; fully deductible contribution.

Income limits for deductible IRA contribution, single filers covered by a retirement plan at work: Modified adjusted gross income under $61,000--fully deductible contribution; between $61,000 and $71,000--partially deductible contribution; more than $71,000--contribution not deductible.

Income limits for deductible IRA contribution, married couples filing jointly who are covered by a retirement plan at work: Modified adjusted gross income under $98,000--fully deductible contribution; between $98,000 and $118,000--partially deductible contribution; more than $118,000--contribution not deductible.

Income limits for nondeductible IRA contributions: None.

Income limits for IRA conversions: None.

Income limits for Roth IRA contribution, single filers: Modified adjusted gross income under $117,000--full Roth contribution; between $117,000 and $132,000--partial Roth contribution; more than $132,000--no Roth contribution.

Income limits for Roth IRA contribution, married couples filing jointly: Modified adjusted gross income under $184,000--full Roth contribution; between $184,000 and $194,000--partial Roth contribution; more than $194,000--no Roth contribution.

Contribution limits for 401(k), 403(b), 457 plan, or self-employed 401(k) (traditional or Roth): $18,000 under age 50/$24,000 for age 50 and above.

Income limits for 401(k), 403(b), 457 plans: None.

SEP IRA contribution limit: The lesser of 25% of compensation or $53,000.

Saver's Tax Credit, income limit, single taxpayers: $30,750.

Saver's Tax Credit, income limit, married couples filing jointly: $61,500.

Health-savings account contribution limit, single contributor under age 55: $3,350.

Health-savings account contribution limit, single contributor age 55 and above: $4,350.

Health-savings account contribution limit, family coverage, contributor under age 55: $6,750.

Health-savings account contribution limit, family coverage, contributor age 55 and above: $7,750.

High-deductible health plan out-of-pocket maximum, single coverage: $6,550.

High-deductible health plan out-of-pocket maximum, family coverage: $13,100.

Section 529 college-savings account contribution limit: Per IRS guidelines, contributions cannot exceed amount necessary to provide education for beneficiary. Deduction amounts vary by state, and gift tax may apply to very high contribution amounts.

Section 529 college-savings account income limit: None.

Coverdell Education Savings Account contribution limit: $2,000 per year per beneficiary.

Coverdell Education Savings Account income limit, single filers: Modified adjusted gross income under $95,000--full contribution; between $95,000 and $110,000--partial contribution; more than $110,000--no contribution.

Coverdell Education Savings Account income limit, married couples filing jointly: Modified adjusted gross income under $190,000--full contribution; between $190,000 and $220,000--partial contribution; more than $220,000--no contribution.

2016: Important Tax Dates to Remember Jan. 1, 2016: New IRA, retirement-plan, and HSA contribution and income limits go into effect for 2016 tax year, as listed above.

Jan. 15, 2016: Estimated tax payments due for fourth quarter of 2015.

April 18, 2016:

• Individual tax returns (or extension request forms) due for 2015 tax year.
• Estimated tax payments due for first quarter of 2016.
• Last day to contribute to IRA for 2015 tax year (contribution limits: $5,500 under age 55; $6,500 for age 55 and above).
• Last day to contribute to health-savings account for 2015 tax year (2015 contribution limits: $3,350 for single coverage, contributor under age 55; $4,350 for single coverage, contributor age 55 and above; $6,650 for family coverage, contributor under age 55; $7,650 for family coverage, contributor age 55 and above).

June 15, 2016: Estimated tax payments due for second quarter of 2016.

Sept. 15, 2016: Estimated tax payments due for third quarter of 2016.

Oct. 17, 2016: Individual tax returns due for taxpayers who received a six-month extension.

Dec. 31, 2016:

• Retirees age 70 1/2 and above must take required minimum distributions from traditional IRAs and 401(k)s.
• Last date to make contributions to company retirement plans (401(k), 403(b), 457) for 2016 tax year.

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