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Invoice Generator

Pricing

Resources

Sign In

Start for free
Onigiri home

Free tools for freelancers

Free tools for freelancers

Calculators for the money questions every freelancer runs into: payment fees, taxes and billable time. Get an answer in seconds, then get back to work.

7 free calculators

Nothing to install

Rates updated for 2026

Stripe fee calculator

Payment

$1,000.00

Stripe fee

−$29.30

You receive

$970.70

Set aside for taxes

$16,647

$4,162 every quarter

Billable utilization

65%

31.8 h × $75 =

$2,385

Free tools

Pick a tool

Each one runs right in your browser, so nothing you type ever leaves your device.

Get paid

Invoice clients, take card payments and charge late fees without losing money on the way.

4 tools
  • $0No sign-up, no watermark

    Make an invoice and download it as a PDF

    Free invoice generator

    Make an invoice with your logo, tax and discounts, then download a PDF.

    Create an invoice
  • 2.9% + 30¢Standard US card fee

    Know what Stripe takes from a card payment

    Stripe fee calculator

    See what Stripe takes and what to charge so you receive the full amount.

    Open calculator
  • 3.49% + 49¢US PayPal invoice fee

    Invoice through PayPal without losing the fee

    PayPal fee calculator

    Work out PayPal’s cut, including cross-border and currency conversion fees.

    Open calculator
  • 1.5% a monthTypical late fee on business invoices

    Charge a late fee on an overdue invoice

    Late fee calculator

    Get the late fee and the new total for an overdue invoice.

    Open calculator

Taxes

Know what to set aside from every payment and what to pay each quarter.

2 tools
  • 4 paymentsYour 2026 quarterly estimated taxes

    Work out your quarterly tax payments

    Freelance tax calculator

    Estimate your 2026 federal, self-employment and state taxes.

    Open calculator
  • 15.3%Self-employment tax rate

    Plan how much to set aside for US taxes

    Self-employment tax calculator

    See your self-employment and income tax and a set-aside for every quarter.

    Open calculator

Time & pricing

See where your hours go and turn them into an invoice total.

2 tools
  • 60–75%Typical billable range for freelancers

    See how much of your week you actually bill

    Utilization rate calculator

    Find your billable share of hours and your real hourly rate.

    Open calculator
  • 0.25 h= 15 minutes of billable time

    Turn a week of hours into an invoice total

    Billable hours calculator

    Turn tracked time into decimal hours and an invoice total.

    Open calculator

Questions about our free tools

Questions about our free tools

Are these tools really free?

Do you store the numbers I enter?

How up to date are the rates and tax figures?

Can I use the calculators outside the US?

Do I need an Onigiri account?

Will you add more tools?

Ready to send your first invoice?

Ready to send your first invoice?

Onigiri turns your hours and rates into a professional invoice in a minute, and lets clients pay online. Free to start.