How to Invoice as a Personal Trainer in St. Louis, MO

Invoicing guide for personal trainers in St. Louis: 4.225% MO sales tax, 0.75%/mo late-fee cap, plus MO licensing and contractor rules.

Combined sales tax
4.225%
Late fee cap
0.75%/mo
Net terms
0 days
Deposit
0%
Create your first invoice freeSee pricing

1. St. Louis-specific tax handling

  • State sales tax: 4.225%. Local jurisdictions in St. Louis may add their own rate — verify with your local tax assessor.
  • Late fees: MO statute Mo. Rev. Stat. §408.020 caps interest on unpaid invoices at 1.5% per month.

2. Standard personal trainer line items

  • Single session — billed by session (~$75 default).
  • 10-pack package — billed by flat (~$650 default).
  • Monthly programming — billed by flat (~$199 default).
  • Online coaching — billed by flat (~$149 default).

3. Payment terms that work in St. Louis

Net 0 is standard for personal trainers.0 Accept card and ACH on the invoice itself — St. Louis customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

No state license. National certification (NASM, ACE, NSCA) expected. CPR/AED required by most gyms and insurers.

Metro
St. Louis
State
MO
Net terms
0 days
Deposit
0%

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