Official-source tools

Handle travel reimbursement without guesswork.

ReimburseKit turns IRS mileage rates and GSA per diem rules into simple, auditable calculations. Use the tools, check the sources, and download the templates your team actually needs.

Open mileage calculator Open per diem calculator

2 core calculators

2026 rates reviewed for this MVP

0 accounts required

Tool 1

IRS mileage reimbursement calculator

Choose a mileage category, enter miles driven, and get a reimbursement estimate tied to the 2026 IRS standard mileage rate table.

Use calculator See guide

Tool 2

GSA per diem trip calculator

Estimate lodging and M&IE totals for a business trip, with first-day and last-day meal reductions handled automatically.

Use calculator See guide

Free mileage log template

Download a clean CSV you can adapt in Sheets or Excel.

Get template

Template bundle landing page

Preview the paid policy and reimbursement bundle before owner checkout setup.

Review bundle

Methodology and sources

See exactly how rates, trip rules, and content claims are handled.

Review methodology