Home & Life
Travel Calculators
Trip costs, flight time, jet lag, packing, budgets and distance. Free calculators with formulas and worked examples.
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
Money abroad
Road trips
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
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.
