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Calcimator

Bike Share Program Calculator

Plan a bike-share program: estimate fleet size, station count, ridership, revenue, and operating costs based on service area population.

Inputs

Results

Fleet Size (bikes)

750

Stations Needed

63

Daily Trips2,250
Annual Trips675,000
Annual Revenue$1,687,500.00
Total Annual Cost$2,106,000.00
Annual Net Income-$418,500.00
Cost per Trip$3.12
Subsidy Needed per Trip$0.62
How to Use This Calculator
  1. Enter the service area population and the target number of bikes per 1,000 residents.
  2. Set the expected trips per bike per day based on comparable systems in similar cities.
  3. Enter revenue per trip ($) and annual cost per bike ($) including maintenance, rebalancing, and admin.
  4. Review fleet size, station count, daily and annual trip projections, and revenue.
  5. Check net annual profit/loss and cost per trip to evaluate program viability.

How the result changes with Service Area Population

Service Area PopulationFleet Size (bikes)Stations Needed
1,000,90015,0141,252
3,500,65052,5104,376
6,500,35097,5068,126
9,000,100135,00211,251

What each input means

Service Area Population
Population in the bike share service area.
Bikes per 1,000 Residents
Fleet density. Urban areas: 10-20 bikes per 1,000 people.
Trips per Bike per Day
Average daily trips per bike. Successful programs achieve 2-6.
Revenue per Trip ($)
Average revenue per trip including single rides and member rides.
Cost per Bike per Year ($)
Annual cost per bike: depreciation, maintenance, rebalancing, insurance.
Station Cost per Year ($)
Annual cost per docking station: maintenance, power, connectivity, cleaning.
Operating Days per Year
Days the program operates. Cold-climate cities often close in winter.

What each result means

Fleet Size (bikes)
Total number of bikes needed for the program.
Stations Needed
Number of docking stations (~12 bikes per station).
Daily Trips
Expected trips per day across the fleet.
Annual Trips
Total trips per year.
Annual Revenue
Projected yearly revenue from ridership.
Total Annual Cost
Combined bike and station operating costs.
Annual Net Income
Revenue minus costs. Negative values indicate subsidy needed.
Cost per Trip
Operating cost per individual trip.
Subsidy Needed per Trip
Public subsidy required per trip if operating at a loss.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Service Area Population = 50000, Bikes per 1,000 Residents = 15, Trips per Bike per Day = 3, Revenue per Trip ($) = 2.5 = 7 input(s) provided
  2. Calculate Fleet Size
    Fleet Size
    750 = 750
  3. Calculate Stations Needed
    Stations Needed
    63 = 63
  4. Calculate Daily Trips
    Daily Trips = fleetSize * tripsPerBikePerDay
    2250 = 2250
  5. Calculate Annual Trips
    Annual Trips = dailyTrips * operatingDaysPerYear
    675000 = 675000

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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