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Electromagnetic spectrum

ByGarf created2026-09-13 01:282026-09-13 02:06 updated2026-09-13 02:06

This is an overview of the electromagnetic spectrum and some of the ways that mankind uses it.

Wavelength (metres)	Frequency (Hertz)	Purpose
3 × 10⁸	1
1 × 10⁸	3
30000000	10
10000000	30
3000000	100
1000000	300
300000	1,000
100000	3,000
30000	10,000
10000	30,000
3000	100,000
1000	300,000
300	1,000,000	Medium Wave (AM) Radio
100	3,000,000	Short Wave Radio
30	10,000,000
10	30,000,000
3	100,000,000	VHF (FM) Radio
1	300,000,000	UHF TV
0.3	1,000,000,000
0.1	3,000,000,000
0.03	10,000,000,000
0.01	30,000,000,000
3.00E-003	100,000,000,000
1.00E-003	300,000,000,000
3.00E-004	1,000,000,000,000
1.00E-004	3,000,000,000,000
3.00E-005	10,000,000,000,000
1.00E-005	30,000,000,000,000
3.00E-006	100,000,000,000,000
1.00E-006	300,000,000,000,000
7.40E-007	405,405,405,405,405	Red Light
6.20E-007	483,870,967,741,936	Orange Light
5.85E-007	512,820,512,820,513	Yellow Light
5.75E-007	521,739,130,434,783	Green Light
5.00E-007	600,000,000,000,000	Cyan Light
4.90E-007	612,244,897,959,184	Blue Light
4.45E-007	674,157,303,370,787	Violet Light
3.00E-007	1,000,000,000,000,000
1.00E-007	3,000,000,000,000,000
3.00E-008	10,000,000,000,000,000
1.00E-008	30,000,000,000,000,000
3.00E-009	100,000,000,000,000,000
1.00E-009	300,000,000,000,000,000
3.00E-010	1,000,000,000,000,000,000
1.00E-010	3,000,000,000,000,000,000
3.00E-011	10,000,000,000,000,000,000
1.00E-011	30,000,000,000,000,000,000
3.00E-012	100,000,000,000,000,000,000
1.00E-012	300,000,000,000,000,000,000
3.00E-013	1,000,000,000,000,000,000,000
1.00E-013	3,000,000,000,000,000,000,000
3.00E-014	10,000,000,000,000,000,000,000
1.00E-014	30,000,000,000,000,000,000,000

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