Home & Life

Travel Calculators

Trip costs, flight time, jet lag, packing, budgets and distance. Free calculators with formulas and worked examples.

Distance and navigation

Distance Between Coordinates Calculator (Latitude and Longitude)Enter two sets of coordinates to get the straight-line distance over the Earth's surface and the direction to travel.

Flights

Flight Time Calculator (Duration and Arrival Time)Enter the flight distance, departure time and time difference to estimate how long the flight takes and when you land.Jet Lag Calculator (Recovery Days)Enter the time zones crossed and the direction to estimate jet lag recovery time.Baggage Size Calculator (Linear Inches and Weight)Enter your bag's dimensions and weight and your airline's limits to check if it fits.

Trip planning

Travel Budget Calculator (Trip Cost per Person)Enter your trip length, group size and daily costs to see the full budget and the cost per person.Hotel vs Vacation Rental Cost CalculatorEnter both options' prices and fees to see which is really cheaper for your stay.

Money abroad

Currency Exchange Fee Calculator (Hidden Markup)Enter the amount, the mid-market rate and the rate you are offered to find the hidden markup and total cost.

Road trips

Road Trip Time Calculator (Driving Days and Breaks)Enter the distance, average speed and your daily driving limit to plan the trip.Fuel Stops Calculator (Range and Refuels)Enter the trip distance, tank size and fuel consumption to plan your fuel stops.

Outdoors

Hiking Time Calculator (Naismith's Rule)Enter the route distance and total ascent to estimate how long the hike will take.Altitude Oxygen Calculator (Air Pressure and Boiling Point)Enter an elevation to see the air pressure, effective oxygen level and boiling point there.Sunrise and Sunset Calculator (Day Length and Twilight)Enter a date, your coordinates and your UTC offset to get the sunrise and sunset times.

Business travel

Per Diem Calculator (Lodging and M&IE, 75% Travel Days)Enter the trip days and your destination's per diem rates to get the total allowance.Mileage Reimbursement Calculator (IRS Rate)Enter the miles and rate to get the reimbursement. The IRS business rate from 1 January 2026 is 72.5 cents per mile.

About these calculators

Plan trips with real numbers: fuel and trip costs, flight times and distances, jet lag recovery, travel budgets and more. Prices and rules change, so enter current figures for your journey.

Each calculator explains its formula, includes a worked example and lists its sources. Read how we check them on our editorial policy page, or browse all calculators.

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Please note: TheCalcTools gives general estimates for information and education. It is not financial, medical, legal or tax advice, and results should be checked before you make a decision. See our disclaimer and about page.