Arithmetic
5 + 3
10 minus 5
5 times 3
20 divided by 4
2 ^ 10
(5 + 3) x 2
Currency & percentages
$100 + $50
€200 x 3
20% of $500
10% off $30
$100 - 20%
50 is what % of 200
50 USD in EUR
$100 to GBP
20 currencies: USD, EUR, GBP, AUD, CAD, NZD, JPY, CHF, CNY, INR, SGD, HKD, KRW, SEK, NOK, DKK, BRL, ZAR, MXN, THB
Variables & totals
days = 15
food: $12 x days
transport: $3.50 x days
sum
= for constants, : or is for values included in sum/avg.
Unit conversions
5km in miles
100f to c
2 cups in ml
1 gallon in l
1.5tbsp in grams
Length: mm, cm, m, km, inch, ft, yard, mile
Mass: mg, g, kg
Volume: tsp, tbsp, floz, cup, pint, quart, l, gallon, ml
Speed: kph, mph, mps, fps, knot
Data: b, kb, mb, gb
Temp: celsius, fahrenheit, kelvin
Timezones & dates
3:30pm EST in UTC
now in PST
today
5 days from now
days in 2025
More
$1000 for 5 years at 3% monthly
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