Seed Rate Conversion

Use this Seed Rate Conversion tool to calculate the kg/ha of seed you require based on your planned seed rate/m² and the Thousand Grain Weight.

To convert a specific value not listed enter the 'Seeds/m²'and 'Thousand Grain Weight (g)' values below and click on '='

Seeds/m2  Thousand Grain  Weight (g)   Conversion          kg/ha

		Seed Rate Conversion Quick Chart Thousand Grain Weight (g)
		35	40	45	50	55	60
	150	53	60	68	75	83	90
	175	61	70	79	88	96	105
	200	70	80	90	100	110	120
	225	79	90	101	113	124	135
	250	88	100	113	125	138	150
	275	96	110	124	138	151	165
	300	105	120	135	150	165	180
	325	114	130	146	163	179	195
	350	123	140	158	175	193	210
	375	131	150	169	188	206	225
	400	140	160	180	200	220	240
	425	149	170	191	213	234	255
	450	158	180	203	225	248	270

All values above are rounded to the nearest whole number