Solo 401(k) for Personal Trainers — 2026 Calculator

Self-employed personal trainers and fitness coaches can use a Solo 401(k) to build retirement wealth. Even at $50,000 in net income, the tax savings on maximum contributions exceed $7,000 per year.

2026 max contribution

$70,000

Typical income range

$35,000–$100,000

Catch-up (age 50+)

+$7,500

Deadline to open

Dec 31, 2026

Your situation

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✦ Import from document

Paste an offer letter, 1099, contract, or any document with income details — Claude will fill the fields for you.

Affects catch-up contribution limits (age 50+, 60–63 enhanced)

From Schedule C line 31, or your best estimate if mid-year

Enter 0 if you have no day job. Affects IRA deductibility and total 401(k) room.

An HDHP (high-deductible plan) unlocks HSA contributions — the only triple-tax-advantaged account

Traditional IRA, SEP-IRA, or SIMPLE IRA balances. Affects backdoor Roth eligibility.

We never store your inputs. All calculations happen on our server.

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Your 2026 retirement plan

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Solo 401(k) for Personal Trainers: What You Need to Know

Business structure

Most personal trainers are sole proprietors or have a single-member LLC. Trainers working independently at gyms typically receive 1099 income. Studio or gym W-2 employees do not qualify for a Solo 401(k) on that income.

Income pattern & timing

Client rosters tend to be stable but can shift with seasons (January surge, summer slowdown). Build Solo 401(k) contributions into your pricing — every new retainer client can directly fund a portion of your retirement contribution.

Key strategy

Personal trainers who split time between 1099 gym work and private clients can contribute to a Solo 401(k) on their private client income even if the gym work is W-2. The key is whether you have at least one source of self-employment income.

Solo 401(k) vs. SEP-IRA for personal trainers

A Solo 401(k) allows both an employee deferral (up to $23,500 in 2026) and an employer contribution (up to 25% of net compensation), for a combined maximum of $70,000. A SEP-IRA only allows employer contributions — no employee deferral. This means self-employed personal trainers earning under approximately $120,000 in net income can typically contribute more to a Solo 401(k) than a SEP-IRA.

How to open a Solo 401(k) as a personal trainer

  1. Get an EIN (free at IRS.gov, takes 5 minutes online). You need this even as a sole proprietor.
  2. Choose a provider. Fidelity, Schwab, and Vanguard offer free Solo 401(k) plans. Fidelity supports both traditional and Roth contributions with no fees.
  3. Open the account before December 31 of the tax year you want contributions to count.
  4. Fund the account by your tax filing deadline — April 15, or October 15 if you file an extension.

Frequently Asked Questions

Can personal trainers open a Solo 401(k)?

Yes. Self-employed personal trainers with Schedule C or 1099 income qualify for a Solo 401(k) as long as they have no full-time W-2 employees other than a spouse. The 2026 contribution limit is $70,000 ($77,500 with catch-up for those 50+).

I train clients independently. Does Venmo or Zelle income count?

Yes. Any payment received for services you performed as a self-employed trainer is self-employment income, regardless of how it's received. You should report it on Schedule C and include it in your Solo 401(k) contribution base.

Can I deduct gym membership and equipment as a business expense AND contribute to a Solo 401(k)?

Yes — business deductions and Solo 401(k) contributions are separate deductions that stack. Just note that business deductions reduce your net self-employment income, which slightly lowers your employer contribution limit. Still, both deductions together produce greater total tax savings than either alone.

What if my training income varies a lot month to month?

That's fine. Solo 401(k) contributions aren't required to be regular — you can contribute a lump sum at tax time up to your filing deadline. Many trainers contribute their full year's employee deferral in one payment in Q1 before filing.

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