Metric to Imperial Everyday Conversion Cheat Sheet
Length, weight, volume, temperature and speed conversions for daily use. All values rounded for practical readability. Print for the fridge, workshop or travel folder.
Length
Metric
Imperial
Common use
1 mm
0.039 in
Screw diameter, tolerances
5 mm
0.197 in
Bolt head, filament diameter
10 mm
0.394 in
Component size
25 mm
0.984 in (approx 1 in)
1 inch reference
1 cm
0.394 in
Small items
10 cm
3.94 in
Object size
30 cm
11.8 in (approx 1 ft)
1 foot reference
50 cm
19.7 in
Furniture, shelving
1 m
3.28 ft / 39.4 in
Room dimensions
1.8 m
5 ft 11 in
Average adult height
5 m
16.4 ft
Room length, cable runs
10 m
32.8 ft
Garden, cable length
1 km
0.621 mi
Distance, running routes
5 km
3.1 mi
Running race, commute
10 km
6.2 mi
Distance check
Weight
Metric
Imperial
Common use
10 g
0.35 oz
Small items, spices
25 g
0.88 oz
Ingredients
100 g
3.53 oz
Food portions, filament
250 g
8.82 oz
Butter, small packages
500 g
1.10 lb / 17.6 oz
Half kilo, filament spool
1 kg
2.20 lb
Standard weight reference
5 kg
11.0 lb
Luggage, groceries
10 kg
22.0 lb
Suitcase weight limit
20 kg
44.1 lb
Luggage allowance
50 kg
110 lb
Body weight
70 kg
154 lb
Body weight
80 kg
176 lb
Body weight
100 kg
220 lb
Body weight
Volume (liquid)
Metric
US imperial
UK imperial
100 ml
3.4 fl oz
3.5 fl oz
237 ml
8 fl oz (1 cup)
8.3 fl oz
250 ml
8.5 fl oz
8.8 fl oz
500 ml
16.9 fl oz
17.6 fl oz
1 L
33.8 fl oz / 0.26 gal
1.76 pt / 0.22 gal
2 L
0.53 US gal
0.44 UK gal
5 L
1.32 US gal
1.10 UK gal
10 L
2.64 US gal
2.20 UK gal
1 US gallon = 3.785 L. 1 UK (imperial) gallon = 4.546 L. 1 US pint = 473 ml. 1 UK pint = 568 ml.
Speed
km/h
mph
Typical context
10 km/h
6.2 mph
Jogging pace
30 km/h
18.6 mph
Urban speed limit
50 km/h
31.1 mph
Town roads
60 km/h
37.3 mph
National roads
80 km/h
49.7 mph
Regional roads
100 km/h
62.1 mph
Motorway (EU)
110 km/h
68.4 mph
Some motorways
120 km/h
74.6 mph
Motorway (EU/DE)
130 km/h
80.8 mph
Autobahn / French motorway
Temperature quick reference
°C
°F
Everyday context
-20°C
-4°F
Deep freeze, very cold winter
-10°C
14°F
Cold winter day
0°C
32°F
Freezing point of water, icy roads
5°C
41°F
Fridge temperature
10°C
50°F
Cool autumn day
15°C
59°F
Mild spring day
20°C
68°F
Comfortable room temperature
25°C
77°F
Warm room / warm day
30°C
86°F
Hot summer day
37°C
98.6°F
Normal body temperature
40°C
104°F
Fever, very hot climate
100°C
212°F
Boiling point of water
Quick conversion formulas. °C to °F: double the Celsius value, subtract 10% of that, then add 32. Example: 20°C → 40 – 4 = 36 + 32 = 68°F (exact: 68°F). For a rough rule: double and add 30 gets you within 2°F for temperatures between 0 and 30°C. °F to °C: subtract 32 then divide by 1.8.
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CovertItAll.com · All conversions based on exact SI/Imperial factors, rounded for everyday readability. 1 in = 25.4 mm · 1 lb = 453.6 g · 1 US gal = 3.785 L.covertitall.com/printables/metric-imperial.htmlInteractive length converter →