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Parking Requirement Calculator

Find the parking your building must provide under the Bihar or Jharkhand byelaws, and check how many cars your stilt or basement can actually hold.

Bihar & Jharkhand byelawsUpdated October 2026

State * The two states calculate parking differently. Bihar uses a percentage of built-up area; Jharkhand counts cars per flat or per floor area. Building use * Busier uses need more parking. Total built-up area * All floors added together, as counted for FAR. Where cars will park Space per car including driveways: 23 m² open, 28 m² covered or stilt, 32 m² basement (national norm). Stilt / basement floor area (sq.ft), optional To check how many cars actually fit. A basement loses about 1,000 sq.ft to the ramp.

Parking rules in brief

Bihar (Bihar Building Byelaws 2014, Table 19)

Residential, apartments, group housing and small offices: 25% of total built-up area
Offices, hotels, restaurants, hospitals, IT, other commercial and high-rise: 30%
Malls, cinemas, marriage and banquet halls: 35%
Group housing must keep 15% of parking for visitors

Jharkhand (Jharkhand Building Byelaws 2016, Table 19)

Flats: 1 car space per flat (in cities over 10 lakh people, 0.5 per flat above 140 m²), plus 15% for visitors and a two-wheeler space per flat
Offices: 1 per 200 / 150 / 100 / 75 m² as city size grows
Shops: 1 per 200 / 100 / 100 / 75 m²
5% of spaces should have EV charging

Stilt and basement areas used only for parking are not counted in FAR in either state.

Sources

Bihar Building Byelaws 2014, Table 19: pmaa.bihar.gov.in
Jharkhand Building Byelaws 2016, Table 19: udhd.jharkhand.gov.in
Space per car including circulation: national norms (BIS / Model Building Byelaws)