Airsoft · Reference

BB Speed and Energy.

Airsoft BB velocity chart by BB weight and muzzle energy, an E = mv²/2 calculator and power zones. The energy limits match the rules of most fields in Belarus and Russia. Chronograph speed converts to joules and back.

Calculator

Speed (m/s)

BB weight (g)

Energy (J)

0.25 – 1.44 J

No engagement distance limit.
Blind firing allowed.

1.56 – 1.82 J

Minimum engagement distance 15 m.
Blind firing prohibited.

1.96 – 2.40 J

Minimum engagement distance 25 m.
Blind firing prohibited.

2.56 – under 3 J

Minimum engagement distance 40 m, semi-auto only.
Blind firing prohibited.

3 J and up - a civilian weapon, licence required

Classified as a weapon in Belarus, Russia, Ukraine and Kazakhstan. Requires an Interior Ministry permit.

100 – 115 m/s - the sweet spot

The recommended range for most game formats.
A good balance of range and accuracy.

Velocity chart (m/s)

Energy (J)	BB weight (g)
Energy (J)	0.12	0.20	0.23	0.25	0.28	0.30	0.32	0.34	0.36	0.38	0.40	0.42	0.43	0.45	0.46	0.48	0.49	0.50	0.58	0.62
0.25	64.55	50.00	46.63	44.72	42.26	40.82	39.53	38.35	37.27	36.27	35.36	34.50	34.10	33.33	32.97	32.27	31.94	31.62	29.36	28.40
0.36	77.46	60.00	55.95	53.67	50.71	48.99	47.43	46.02	44.72	43.53	42.43	41.40	40.92	40.00	39.56	38.73	38.33	37.95	35.23	34.08
0.49	90.37	70.00	65.28	62.61	59.16	57.15	55.34	53.69	52.17	50.78	49.50	48.30	47.74	46.67	46.16	45.18	44.72	44.27	41.11	39.76
0.64	103.28	80.00	74.60	71.55	67.61	65.32	63.25	61.36	59.63	58.04	56.57	55.21	54.56	53.33	52.75	51.64	51.11	50.60	46.98	45.44
0.72	109.54	84.85	79.13	75.89	71.71	69.28	67.08	65.08	63.25	61.56	60.00	58.55	57.87	56.57	55.95	54.77	54.21	53.67	49.83	48.19
0.81	116.19	90.00	83.93	80.50	76.06	73.48	71.15	69.03	67.08	65.29	63.64	62.11	61.38	60.00	59.34	58.09	57.50	56.92	52.85	51.12
0.90	122.47	94.87	88.47	84.85	80.18	77.46	75.00	72.76	70.71	68.82	67.08	65.47	64.70	63.25	62.55	61.24	60.61	60.00	55.71	53.88
1.00	129.10	100.00	93.25	89.44	84.52	81.65	79.06	76.70	74.54	72.55	70.71	69.01	68.20	66.67	65.94	64.55	63.89	63.25	58.72	56.80
1.10	135.40	104.88	97.80	93.81	88.64	85.63	82.92	80.44	78.17	76.09	74.16	72.37	71.53	69.92	69.16	67.70	67.01	66.33	61.59	59.57
1.21	142.01	110.00	102.58	98.39	92.97	89.81	86.96	84.37	81.99	79.80	77.78	75.91	75.02	73.33	72.53	71.00	70.28	69.57	64.59	62.48
1.32	148.32	114.89	107.14	102.76	97.10	93.81	90.83	88.12	85.63	83.35	81.24	79.28	78.36	76.59	75.76	74.16	73.40	72.66	67.47	65.25
1.44	154.92	120.00	111.90	107.33	101.42	97.98	94.87	92.04	89.44	87.06	84.85	82.81	81.84	80.00	79.13	77.46	76.67	75.89	70.47	68.16
1.56	161.37	125.00	116.56	111.80	105.64	102.06	98.82	95.87	93.17	90.68	88.39	86.26	85.25	83.33	82.42	80.69	79.86	79.06	73.40	71.00
1.69	167.83	130.00	121.23	116.28	109.87	106.14	102.77	99.71	96.90	94.31	91.92	89.71	88.66	86.67	85.72	83.91	83.05	82.22	76.34	73.84
1.82	174.16	134.91	125.80	120.66	114.02	110.15	106.65	103.47	100.55	97.87	95.39	93.09	92.01	89.94	88.96	87.08	86.19	85.32	79.22	76.62
1.96	180.74	140.00	130.55	125.22	118.32	114.31	110.68	107.38	104.35	101.57	98.99	96.61	95.48	93.33	92.31	90.37	89.44	88.54	82.21	79.51
2.10	187.08	144.91	135.13	129.61	122.47	118.32	114.56	111.14	108.01	105.13	102.47	100.00	98.83	96.61	95.55	93.54	92.58	91.65	85.10	82.31
2.25	193.65	150.00	139.88	134.16	126.77	122.47	118.59	115.04	111.80	108.82	106.07	103.51	102.30	100.00	98.91	96.82	95.83	94.87	88.08	85.19
2.40	200.00	154.92	144.46	138.56	130.93	126.49	122.47	118.82	115.47	112.39	109.54	106.90	105.65	103.28	102.15	100.00	98.97	97.98	90.97	87.99
2.56	206.56	160.00	149.20	143.11	135.22	130.64	126.49	122.71	119.26	116.08	113.14	110.41	109.12	106.67	105.50	103.28	102.22	101.19	93.96	90.87
2.72	212.92	164.92	153.79	147.51	139.39	134.66	130.38	126.49	122.93	119.65	116.62	113.81	112.48	109.95	108.75	106.46	105.37	104.31	96.85	93.67
2.89	219.47	170.00	158.53	152.05	143.68	138.80	134.40	130.38	126.71	123.33	120.21	117.31	115.94	113.33	112.09	109.73	108.61	107.52	99.83	96.55
3.00	223.61	173.21	161.51	154.92	146.39	141.42	136.93	132.84	129.10	125.66	122.47	119.52	118.12	115.47	114.21	111.80	110.66	109.54	101.71	98.37