Exact age y/m/d

X% of Y

Days, weeks, months

m/cm/ft/in/mi

kg/g/lb/oz

°C/°F/K

km/h/mph/m/s

L/gal/cup

sq m/ft/acre

Global zones

1-3999

Lakh/crore + intl

Joules/cal/kWh

Watts/hp/BTU

Pa/bar/psi

Bytes/KB/MB/GB

HCF/LCM

ax²+bx+c=0

Mean/median/SD

Increase/decrease

Time math

Trig/log/exp

Add/sub/mult fractions

Decimal ↔ fraction

n! combinatorics

Any base

Joint/conditional

Haversine formula

25min work + breaks

Days to event

Lap times

Coin/dice/random

Trip fuel expense

Floor tiles estimation

Wall paint litres

Scale recipe servings

Cup/tbsp/ml

US/UK/EU/India

Band + cup sizes

Finger measurements

SSS, SAS, base+height

Area, circumference, radius

sin, cos, tan in degrees

Fraction ↔ percentage

E=mc² calculator