Fahrenheit Celsius
32 degrees 0 degrees
212 " 100 "
250 " 120 "
275 " 140 "
300 " 150 "
325 " 160 "
350 " 180 "
375 " 190 "
400 " 200 "
425 " 220 "
450 " 230 "
475 " 240 "
500 " 260 "

Butter
1/4 C = 60g
1/2 C = 125g
3/4 C = 180g
1 C = 250g

base weight-volume of water
1 pound = 2 cups
8 ounces = 1 cup
1 ounce = 2 tablespoons
1 tablespoon = 3 teaspoons = 0.5 oz = 15 grams
1 teaspoon = 0.17 oz = 5 grams
pinch is less than 1/8 teaspoon
dl = deciliter = 1/10 of a liter = 1/2 cup
granulated sugar = caster sugar
confectioner's sugar = icing sugar

Weight-volume of:
Flour: 1 pound = 3 1/2 cups
Sugar: 1 pound = 2 1/4 cups

Metric Conversion Chart

US Canadian Australian
1/4 tsp 1 mL 1 ml
1/2 tsp 2 mL 2 ml
1 tsp 5 mL 5 ml
1 Tbl 15 mL 20 ml
1/4 cup 50 mL 60 ml
1/3 cup 75 mL 80 ml
1/2 cup 125 mL 125 ml
2/3 cup 150 mL 170 ml
3/4 cup 175 mL 190 ml
1 cup 250 mL 250 ml
1 quart 1 liter 1 litre

Weight
1 ounce 30 grams 30 grams
2 " 55 " 60 "
3 " 85 " 90 "
4 " 115 " 125 "
8 " 225 " 225 "
16 " 455 " 500 " (1/2 kilogram)

One stick of butter is 1/4 pound or about 110 grams.
Butter in the US is sold in one pound boxes, each box containing 4 sticks.
half-and-half = half milk, half cream

thanks ! Cab!