Driver guide
Short articles to help you do the math on your work, reviewed and sourced.
Vehicle costs
How to calculate cost per mile or km
Bring energy, maintenance, insurance and other costs into one cost per mile.
Reviewed Oct 31, 2026
How fuel or electricity prices affect your cost per mile
Combine fuel economy or energy consumption with the price you pay to see how costs change per mile and per month.
Reviewed Nov 1, 2026
Earnings and goals
Why count the drive to the passenger
Add pickup and trip to see what the offer pays per mile and per hour.
Reviewed Oct 31, 2026
How to set your weekly goal and see how much you need to earn
Start with the profit you want and add car costs to see how much you need to earn.
Reviewed Nov 1, 2026
What is left from what the app pays you
Subtract car costs from what you receive to see your weekly and monthly result.
Reviewed Oct 31, 2026
Platforms and work
How platform commission changes what you receive
Distinguish what the passenger pays from what you receive, before car costs.
Reviewed Nov 1, 2026
How to read an offer before accepting
Bring together the amount, miles, time and car costs before you decide.
Reviewed Oct 31, 2026
Why an offer's hourly amount isn't your hourly amount for the day
Count waiting and driving between offers to see how much you receive per hour of work.
Reviewed Nov 1, 2026
7 days free, no card
Radr does this math for you, on every offer.
You see the signal on top of your mobility app, in a second.
It logs the offers you accept on its own. If it misses one, fix it with a tap.
Apps Radr reads
Uber
UberNew trip
US$11.96
- 4 min (0.7 mi) to pickupRua de Santa Catarina 312, Porto
- 19 min (8.4 mi) tripAeroporto Francisco Sá Carneiro, Maia
Accept
Worth itUber
US$11.96
US$1.42/miUS$37.78/h
8.4 mi · 19 min
UberNew trip
US$9.60
- 6 min (1.3 mi) to pickupRua do Paço 18, Matosinhos
- 30 min (8.6 mi) tripAvenida da Boavista 1200, Porto
Accept
Think twiceUber
US$9.60
US$1.12/miUS$19.21/h
8.6 mi · 30 min
UberNew trip
US$10.12
- 9 min (2.1 mi) to pickupPraça da Liberdade, Porto
- 34 min (17.2 mi) tripRua Augusto Simões 45, Maia
Accept
Not worth itUber
US$10.12
US$0.59/miUS$17.86/h
17.2 mi · 34 min