openpilot/common/conversions.py
2025-11-01 12:00:00 -07:00

28 lines
592 B
Python

import numpy as np
class Conversions:
# Speed
MPH_TO_KPH = 1.609344
KPH_TO_MPH = 1. / MPH_TO_KPH
MS_TO_KPH = 3.6
KPH_TO_MS = 1. / MS_TO_KPH
MS_TO_MPH = MS_TO_KPH * KPH_TO_MPH
MPH_TO_MS = MPH_TO_KPH * KPH_TO_MS
MS_TO_KNOTS = 1.9438
KNOTS_TO_MS = 1. / MS_TO_KNOTS
# Distance
METER_TO_FOOT = 3.28084
FOOT_TO_METER = 1. / METER_TO_FOOT
METER_TO_MILE = METER_TO_FOOT / 5280
MILE_TO_METER = 1. / METER_TO_MILE
CM_TO_INCH = 1. / 2.54
INCH_TO_CM = 1. / CM_TO_INCH
# Angle
DEG_TO_RAD = np.pi / 180.
RAD_TO_DEG = 1. / DEG_TO_RAD
# Mass
LB_TO_KG = 0.453592