Conversion Tables and Charts

Scale Conversion Table

SCALE

1 inch

1 Scale foot

1 scale meter

1:18

8 in

1.5 in

1.25 mm

1:12

1 ft

1 in

83.3 mm

1:16

1 ft 4 in

.75 in

62.5mm

1:20

1 ft 8 in

19/32"

50mm

1:24

2 ft

.5 in

41.7mm

1:25

2 ft 1 in

15/32"

40mm

1:32

2 ft 8 in

3/8"

31.25mm

1:43

3 ft 7 in

9/32 or .279in

23.25mm

Component

scale size

Suggested Material

Std. Ignition Wire

.012

plain or insulated wire

High Performance
Ignition Wires

.016

plain or insulated wire

Wiring Harness,
Upholstery Piping

.0075

plain or insulated wire

Fuel and Brake Lines

.010 - .015

Wire or Guitar String

Nitrous Lines

020

Wire or Guitar String

Battery Cables

.019-.020

Wire or Guitar String

Coolant Hoses 5/8"

.025

Wire or Guitar String

Coolant Hoses 3/4"

.030

plain or insulated wire

Coolant Hoses/Tubing 1"

.040

plain or insulated wire

Coolant Hoses 1 1/4"

.050

plain or insulated wire

Coolant Hoses/Tubing 1 1/2"

.060

plain or insulated wire

Coolant Hoses/Tubing 2"

.080

plain or insulated wire

Coolant Hoses/Tubing 2 1/2"

.100

plain or insulated wire

Coolant Hoses 3"

.120

plain or insulated wire