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Gig Earnings, Mileage and SE Tax Calculator

Separate gig cash flow from annual mileage deductions and standard-method SE tax, with dated 2025–2026 rates, wage caps and recorded working hours.

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Inputs that matter
Days in this period, Receipts before platform fees, Refunds paid, Platform and payment fees, and 14 more
Output to expect
Gig cash flow, Annual mileage and SE tax
  • Check the units and required inputs before comparing results.
  • Keep the assumptions with a copied result so you can reproduce the calculation later.
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Reference & details

How it works

Period cash flow

Count real business cash outlays once and include all working hours.

Cash remaining = receipts − refunds − fees − vehicle cash − other cash − entered reserve

Annual mileage

Use the trip-date period and an eligible method.

Mileage deduction = Jan–Jun miles × first-half rate + Jul–Dec miles × second-half rate

Standard-method SE tax

The annual mode applies the $400 adjusted-net-earnings threshold and this person’s remaining wage base.

SE = capped Social Security component + regular Medicare component

Updated: September 2026

Example Scenarios

$3,200 receipts, $100 refunds, $300 fees, $450 vehicle cash, $200 other cash, $400 reserve and 100 working hours.

$2,150 before reserve; $1,750 remaining; $17.50 per hour after reserve.

6,000 eligible miles in January–June 2026 and 4,000 in July–December.

$7,390 mileage deduction, used only in the annual tax calculation.

FAQ

Vehicle cash outlays and mileage deductions are different amounts. Cash flow uses actual cash costs and an entered reserve; the annual mode calculates eligible mileage and standard-method SE tax.

2025 uses $0.70 per eligible business mile. 2026 uses $0.725 for January–June and $0.76 for July–December under the IRS midyear update. Choose the year and enter miles by trip period.

Your Social Security wages reduce the remaining annual Social Security base. Regular Medicare SE tax has no corresponding wage cap.

No. It covers standard-method SE tax on the combined net earnings entered for one person. Income tax, Additional Medicare Tax, credits and special methods require separate work.

Do not also deduct actual vehicle costs already covered by the standard mileage method. Verify method eligibility and separately allowed items in IRS Publication 463.

Choose Save business case for local history. Copy MD includes inputs and notes; Download CSV contains the result breakdown. Keep a portable copy separately.

About Gig Earnings, Mileage and SE Tax Calculator

Use Gig cash flow for actual costs and hours over one period. Use Annual mileage and SE tax for a separate US annual tax scenario with logged miles and your own wages.