Travel

Plan a trip budget: flights, accommodation, food, transport, activities, and a buffer. Returns per-person and group totals.

Estimate flight duration from distance, average ground speed, and headwind. Useful for trip planning and connection timing.

Estimate how many days of jet-lag recovery to expect based on time zones crossed and direction of travel.

Calculate full road trip cost: fuel, lodging, food, and incidentals — split per person and per day.

Calculate per diem total for business travel based on city rate, days, and partial-day allowances.

Check if your bag is within airline limits and estimate overweight/oversize fees for major carriers.