Social Security, SSI, Medicare & tax calculators for seniors
Check your 2027 payment dates, see your new check after the 3.6% COLA, estimate SSI and SSDI, and plan for Medicare premiums and taxes. Plain English, large text and figures checked against official sources.
*Official 2027 Medicare figures are due from CMS in mid-November.
Most-used calculators
See all 15 calculators →Payment Schedule 2027
Enter your birthday to see all 12 of your 2027 payment dates.
Open2027 COLA Calculator
Enter your current monthly benefit to see your 2027 amount.
OpenTax on Social Security
Find out how much of your Social Security counts as taxable income.
OpenSSI Calculator
Estimate your monthly federal SSI payment for 2027.
OpenMedicare IRMAA
Find your 2027 Part B premium tier from your 2025 income.
OpenClaiming Age & Break-Even
Compare two claiming ages and see when the later one catches up.
OpenEvery calculator by topic
Social Security
- Social Security Payment Schedule 2027
- 2027 Social Security COLA Calculator
- Social Security Benefit Calculator
- Social Security Claiming Age & Break-Even Calculator
- Full Retirement Age Calculator
- Social Security Earnings Limit Calculator 2027
- Social Security Spousal Benefit Calculator
- Social Security Survivor Benefit Calculator
SSI & SSDI
Medicare
Taxes & RMDs
Latest guides
All guides →2027 Social Security COLA: What the 3.6% Raise Means for Your Check
The 2027 Social Security COLA is 3.6%. See how much your check rises, when it arrives, and what the Medicare premium takes back.
Read guideSocial Security Payment Schedule 2027: Every Date by Birthday
Full 2027 Social Security, SSDI and SSI payment calendar by birthday, with holiday shifts and double-payment months.
Read guideIs Social Security Taxable? Provisional Income Explained (2026–2027)
Learn when Social Security is taxable, how provisional income works and how the 50% and 85% tiers apply, with examples.
Read guideClaiming Social Security at 62, 67 or 70: How to Find Your Break-Even Age
Compare claiming Social Security at 62, full retirement age or 70, and learn how to work out your break-even age.
Read guideHow Social Security Calculates Your Benefit: AIME, PIA and Bend Points
A plain-English walk-through of how Social Security turns your earnings into a monthly benefit, with 2027 bend points.
Read guideSSI vs SSDI: Differences, Eligibility and 2027 Payment Amounts
SSI and SSDI are different programs. Compare eligibility, payment amounts, health coverage and work rules for 2027.
Read guideWhy people trust our numbers
Official sources
Every rate and limit comes from Social Security Administration, IRS or Medicare publications, and each page links to them.
Updated every year
We review all figures when SSA, CMS and the IRS publish new amounts each fall, and we label projections clearly.
Your data stays private
Calculations run in your browser. We don’t ask for your name, Social Security number or any account details.
Shows the math
Each calculator explains the exact formula it uses, with a worked example you can check yourself.
Frequently asked questions
How much is the Social Security COLA for 2027?
The 2027 cost-of-living adjustment is 3.6%. It starts with January 2027 Social Security payments, and SSI recipients see it in the payment that arrives on December 31, 2026.
What is the maximum SSI payment in 2027?
The federal SSI payment standard is $1,029 a month for an individual and $1,544 for an eligible couple. Other income can reduce it, and many states add a supplement.
When will I get my Social Security payment?
Most people are paid on the second, third or fourth Wednesday of the month depending on their birthday (1st–10th, 11th–20th, 21st–31st). People who started before May 1997 or also get SSI are paid on the 3rd.
Are these calculators free?
Yes. Every calculator is free and needs no sign-up. Calculations run in your browser and the numbers you type are not sent to us.
Is DigiForge HQ a government website?
No. We are an independent site and are not affiliated with the Social Security Administration, the IRS or Medicare. We use their published figures and link to them as sources.