SEP IRA Contribution Calculator
About This Calculator
Calculate SEP IRA contribution limits for self-employed and small business owners. Determine maximum deductible contribution (25% of compensation, up to $69,000 for 2025), estimate tax savings, compare SEP vs Solo 401k/Simple IRA, and optimize retirement savings strategy.
Frequently Asked Questions
What is a SEP IRA and how much can I contribute in 2025?
SEP IRA (Simplified Employee Pension) = retirement plan for self-employed individuals and small business owners allowing contributions up to **25% of compensation** or **$69,000 for 2025** (whichever is less). Contributions are tax-deductible, reducing taxable income dollar-for-dollar. **SEP IRA contribution formula** (2025): For W-2 employees of your own S-Corp/C-Corp: - Maximum contribution = 25% of W-2 compensation - Hard cap = $69,000 **Example 1** (S-Corp owner, W-2 salary $150,000): - Maximum SEP contribution = $150,000 脳 25% = $37,500 - Tax savings (32% bracket) = $37,500 脳 0.32 = **$12,000 tax reduction** For self-employed (Schedule C, sole proprietor, single-member LLC): - Maximum contribution = **20%** of net self-employment income (after deducting 陆 SE tax) - Effective rate is 20%, not 25%, due to SE tax deduction calculation **Example 2** (Freelancer, net Schedule C income $100,000): - Self-employment tax = $100,000 脳 92.35% 脳 15.3% = $14,130 - Net earnings after 陆 SE tax = $100,000 - $7,065 = $92,935 - Maximum SEP contribution = $92,935 脳 20% = **$18,587** - Tax savings (24% bracket) = $18,587 脳 0.24 = **$4,461** **2025 SEP IRA contribution limits**: - Maximum contribution: $69,000 (increased from $66,000 in 2024) - Maximum compensation considered: $345,000 (increased from $330,000) - Minimum age: None (can contribute at any age if you have earnings) - No catch-up contributions (unlike 401k) **Who is eligible for SEP IRA?**: 鉁?Self-employed individuals (sole proprietors, freelancers, contractors) 鉁?Business owners (LLC, S-Corp, C-Corp, partnership) 鉁?Employers with employees (must contribute same % for all eligible employees) 鉁?Part-time self-employment income (even if you have W-2 job elsewhere) **Employee eligibility requirements**: If you have employees, you MUST contribute the same percentage you contribute for yourself. Employee is eligible if: - Age 21 or older - Worked for you in 3 of the last 5 years - Earned at least $750 in 2025 ($650 in 2024) **Example 3** (Small business with employees): - Owner W-2: $200,000, contributes 20% = $40,000 - Employee A W-2: $60,000, you must contribute 20% = $12,000 - Employee B W-2: $40,000, you must contribute 20% = $8,000 - **Total cost**: $60,000 (all tax-deductible) **SEP IRA vs other retirement plans** (2025 comparison): | Feature | SEP IRA | Solo 401k | SIMPLE IRA | |---------|---------|-----------|------------| | Max contribution (self-employed) | $69,000 | $69,000 + $23,000 elective = $92,000 | $16,000 + 3% match | | Employee contributions | No (employer only) | Yes (elective deferrals) | Yes (elective deferrals) | | Catch-up (50+) | No | Yes (+$7,500) | Yes (+$3,500) | | Employee requirement | Must contribute for eligible employees | Solo/spouse only | All employees | | Setup complexity | Very simple (1-page form) | Medium (trust, plan docs) | Simple | | Annual filing | No | Yes (Form 5500 if >$250k) | No | | Loan provision | No | Yes | No | **Tax deduction calculation**: SEP contributions reduce taxable income, not tax owed directly. **Example**: Freelancer earns $120,000 net Schedule C income - Without SEP: Taxable income $120,000, tax (24% bracket) = $28,800 - With $20,000 SEP: Taxable income $100,000, tax = $24,000 - **Tax savings** = $4,800 **Contribution deadline**: - Regular deadline: Tax filing deadline (April 15, 2026 for 2025 tax year) - With extension: October 15, 2026 (if you file extension) - You can establish SEP IRA and make contributions up to tax filing deadline + extension **2025 SEP IRA advantages**: 鉁?High contribution limits (up to $69,000) 鉁?Very simple to set up (15 minutes, IRS Form 5305-SEP) 鉁?No annual IRS filing requirements 鉁?Flexible contributions (can vary year-to-year, including $0 in bad years) 鉁?Tax-deductible contributions (reduce income tax immediately) 鉁?Low administrative costs (typically $20-$50/year custodian fee) **2025 SEP IRA disadvantages**: 鉂?No catch-up contributions (unlike 401k $7,500 age 50+) 鉂?Must contribute same % for all eligible employees (expensive if you have staff) 鉂?No Roth option (all contributions pre-tax) 鉂?No loan provision (money locked until 59陆) 鉂?Lower limit for self-employed than Solo 401k ($69k vs $92k)
Should I choose SEP IRA or Solo 401k for my self-employed business?
Choose **Solo 401k** if you want maximum contributions ($92,000 vs $69,000), Roth option, or age 50+ catch-up. Choose **SEP IRA** if you want simplicity, no annual filing, or flexibility to add employees later. For most high-earning self-employed without employees, Solo 401k is better. **Decision framework** (choose the plan that matches your situation): **Choose Solo 401k if**: 鉁?Age 50+ (want $7,500 catch-up contribution) 鉁?Want to maximize contributions >$69k (can reach $92k with elective deferrals) 鉁?Want Roth option (Roth 401k contributions available) 鉁?No employees (just you, or you + spouse) 鉁?Want loan provision (can borrow up to $50k from plan) 鉁?Want mega backdoor Roth strategy (after-tax contributions 鈫?Roth conversion) **Choose SEP IRA if**: 鉁?Want simplest setup (5 minutes vs 30 minutes) 鉁?Want zero annual filing (Solo 401k requires Form 5500 if assets >$250k) 鉁?Have employees (SEP is easier to administer for staff) 鉁?Variable income (flexibility to contribute 0-25% any year) 鉁?Want to minimize administrative hassle **Side-by-side comparison** (self-employed earning $200k net): **SEP IRA scenario**: - Net self-employment income: $200,000 - After 陆 SE tax: $200,000 - $14,130/2 = $192,935 - Maximum SEP contribution: $192,935 脳 20% = **$38,587** - Tax savings (35% bracket): $13,505 - Setup time: 5 minutes - Annual admin: None - Total retirement savings: $38,587 **Solo 401k scenario**: - Elective deferral (employee contribution): $23,000 (2025 limit) - Employer contribution: $192,935 脳 20% = $38,587 - **Total contribution**: $23,000 + $38,587 = **$61,587** - Tax savings (35% bracket): $21,555 - Setup time: 30 minutes (more complex plan docs) - Annual admin: Possible Form 5500 if assets >$250k - Total retirement savings: **$61,587 (59% more than SEP)** **Age 50+ comparison** (even bigger difference): **SEP IRA** (age 55, $200k income): - Maximum contribution: $38,587 (same as under 50) - No catch-up allowed **Solo 401k** (age 55, $200k income): - Elective deferral: $23,000 - Catch-up contribution: $7,500 - Employer contribution: $38,587 - **Total**: $23,000 + $7,500 + $38,587 = **$69,087** - **Advantage over SEP**: +$30,500/year (78% more) **Break-even analysis** (when is SEP worth the lower limit?): SEP makes sense if: - Income <$80k/year (SEP limit not constraining) - You value extreme simplicity (no annual forms) - You anticipate hiring employees (SEP easier to administer) **Example**: Freelancer earning $60,000 net - SEP max: $60,000 脳 20% = $12,000 - Solo 401k max: $23,000 elective + $12,000 employer = $35,000 - But: If you only want to save $12k, SEP is simpler and achieves same goal **Real-world scenarios**: **Scenario 1**: Consultant, age 45, $150k income, no employees, stable income - **Recommendation**: Solo 401k - Reason: Can contribute $50k+ vs $30k with SEP, no admin burden (no employees), worth 30-minute setup **Scenario 2**: Freelancer, age 32, $80k income, wants simplicity, may hire assistant in 2 years - **Recommendation**: SEP IRA - Reason: Current contribution would be similar ($16k), easier to add employees later, simpler **Scenario 3**: S-Corp owner, age 55, $250k salary, no employees - **Recommendation**: Solo 401k 100% - Reason: Age 50+ catch-up ($7,500), can do Roth option, potential mega backdoor Roth **Scenario 4**: Part-time side business, $30k income, already have W-2 401k at day job - **Recommendation**: SEP IRA - Reason: Simple to set up for side income, can max 401k at day job ($23k), use SEP for employer portion (~$6k) **Can you have both?** No, contribution limits are aggregated. - If you max 401k at W-2 job ($23k), you can still set up SEP for side business (employer portion only) - Total combined employer contributions cannot exceed $69k **Switching from SEP to Solo 401k**: Yes, you can switch, but: - Close SEP contributions for current year - Open Solo 401k by Dec 31 (for current tax year contributions) - Can rollover SEP IRA to Solo 401k (consolidate accounts) **2025 tax strategy considerations**: **SEP IRA advantages**: - Deadline flexibility: Contribute up to tax filing deadline + extension (Oct 15, 2026 for 2025) - Can establish SEP even after year-end (Solo 401k must be set up by Dec 31) - Easier to manage if you have variable income year-to-year **Solo 401k advantages**: - Roth contributions: Pay tax now, grow tax-free forever - Mega backdoor Roth: If plan allows after-tax contributions, convert to Roth (advanced strategy) - Loan provision: Borrow up to $50k or 50% of account (for emergencies, not recommended) - Higher limits: $92k vs $69k (if age 50+, up to $99.5k) **Bottom line recommendation**: | Your Situation | Best Choice | |---------------|-------------| | Age 50+, high income, no employees | Solo 401k | | Age <50, income >$150k, no employees | Solo 401k | | Want Roth option | Solo 401k | | Want extreme simplicity, low income | SEP IRA | | Have employees (or plan to hire) | SEP IRA | | Variable income, want flexibility | SEP IRA | | Want to minimize annual admin | SEP IRA | For 70% of self-employed individuals with no employees and income >$100k, **Solo 401k is the better choice** due to higher contribution limits and Roth option.
Are the tax rates in the Sep Ira Calculator current for 2025?
Yes, this calculator uses 2025 federal tax brackets, standard deductions ($15,000 single, $30,000 MFJ), and contribution limits as published by the IRS. State tax rates are updated annually. However, tax law can change mid-year through legislation. If you are calculating taxes for a prior year, select the appropriate tax year if available, or adjust inputs to match that year's brackets and limits. Always verify final calculations with your tax preparer before filing.
Does the Sep Ira Calculator account for state taxes?
This calculator focuses primarily on federal tax calculations. State tax treatment varies significantly — some states have no income tax (Texas, Florida, Nevada, Wyoming, Washington, South Dakota, Alaska), while others have rates up to 13.3% (California). If your state has income tax, the effective total tax burden will be higher than shown. For state-specific calculations, check your state's department of revenue website or consult a local CPA who understands your state's particular deductions, credits, and filing requirements.
What deductions and credits does the Sep Ira Calculator include?
The calculator incorporates standard deductions for 2025 and common above-the-line adjustments such as retirement contributions, HSA contributions, and student loan interest. It does not automatically include itemized deductions (mortgage interest, charitable contributions, SALT taxes), education credits, child tax credits, or energy-efficient vehicle credits unless specifically noted. For a comprehensive tax picture, input your expected itemized deductions if they exceed the standard deduction, and consider using a full tax preparation software or professional for complex returns.