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Calibration Weights

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We carry a wide variety of calibration weights. Down below, you'll find individual calibration weights, as well as calibration weight sets. If you're looking for weights to calibrate an inaccurate scale, or just to make absolutely sure your scale is measuring weights "right on the money", here's the place to find just the right weight.

This Week's Featured Calibration Weights

17 Piece - Class M2 - Calibration Weight Set

17 Piece - Class M2
Calibration Weight Set

Ohaus 241-03 8 Piece - Brass - ASTM Class 6 - Calibration Weight Set

Calibration Weight Set
8 Piece - Brass - ASTM Class 6

Displaying products 1 - 100 of 131 results	Show:	Sort:

M2 Calibration Weight - 5 gram Old Will's Price: $1.99 OIML Class M2 Calibration Weight. (item received may differ from image)	M2 Calibration Weight - 1 gram Old Will's Price: $1.99 OIML Class M2 Calibration Weight. (item received may differ from image)
M2 Calibration Weight - 10 gram Old Will's Price: $2.49 OIML Class M2 Calibration Weight. (item received may differ from image)	M2 Calibration Weight - 100 gram Old Will's Price: $2.73 OIML Class M2 Calibration Weight. (item received may differ from image)
M2 Calibration Weight - 20 gram Old Will's Price: $2.90 OIML Class M2 Calibration Weight. (item received may differ from image)	M2 Calibration Weight - 50 gram Old Will's Price: $2.99 OIML Class M2 Calibration Weight. (item received may differ from image)
M2 Calibration Weight - 150 gram Old Will's Price: $5.90 OIML Class M2 Calibration Weight. (item received may differ from image)	M2 Calibration Weight - 200 gram Old Will's Price: $6.90 OIML Class M2 Calibration Weight. (item received may differ from image)
M2 Calibration Weight - 300 gram Old Will's Price: $7.90 OIML Class M2 Calibration Weight. (item received may differ from image)	M2 Calibration Weight - 500 gram Old Will's Price: $8.90 OIML Class M2 Calibration Weight. (item received may differ from image)
M2 Calibration Weight - 1000 gram Old Will's Price: $14.90 OIML Class M2 Calibration Weight. (item received may differ from image)	Ohaus 241-03 8 Piece - Brass - ASTM Class 6 - Calibration Weight Set Old Will's Price: $15.30 Weights Included: 1g - (2) 2g - 5g - (2) 10g - 20g - 50g
M2 Calibration Weight - 2000 gram Old Will's Price: $18.90 OIML Class M2 Calibration Weight. (item received may differ from image)	ASTM Class 4 Calibration Weight - 1 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 2 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 5 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 10 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 20 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 50 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 100 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 200 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 500 milligram Old Will's Price: Starting at $20.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
17 Piece - Class M2 - Calibration Weight Set Old Will's Price: $24.90 Weights included: 100g - 50g - 20g( x2 ) - 10g 5g - 2g( x2 ) - 1g - 500mg - 200mg( x2 ) - 100mg - 50mg - 20mg( x2 ) - 10m	F1 Calibration Weight - 1 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 2 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 5 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 10 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 20 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 50 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 100 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 200 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 500 milligram Old Will's Price: Starting at $29.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 1 gram Old Will's Price: Starting at $31.50 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 2 gram Old Will's Price: Starting at $31.50 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 3 gram Old Will's Price: Starting at $31.50 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 5 gram Old Will's Price: Starting at $31.50 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 10 gram Old Will's Price: Starting at $34.20 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	M2 Calibration Weight - 5000 gram Old Will's Price: $34.90 OIML Class M2 Calibration Weight. (item received may differ from image)
ASTM Class 4 Calibration Weight - 20 gram Old Will's Price: Starting at $38.70 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 5 milligram Old Will's Price: Starting at $39.60 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 1 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 2 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 10 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 20 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 50 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 100 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 200 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 500 milligram Old Will's Price: Starting at $40.50 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Calibration Weight - 30 gram Old Will's Price: Starting at $43.20 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 50 gram Old Will's Price: Starting at $43.20 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 4 Non-Polished Calibration Weight - 100 gram Old Will's Price: Starting at $50.40 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 1 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 2 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 5 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 10 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 20 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 50 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 100 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 200 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 500 milligram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 1 gram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 2 gram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 5 gram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 10 gram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 20 gram Old Will's Price: Starting at $51.30 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Calibration Weight - 100 gram Old Will's Price: Starting at $54.90 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 2 Boxed Calibration Weight - 20 gram Old Will's Price: Starting at $55.80 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 2 Boxed Calibration Weight - 40 gram Old Will's Price: Starting at $55.80 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
ASTM Class 2 Boxed Calibration Weight - 50 gram Old Will's Price: Starting at $55.80 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 4 Non-Polished Calibration Weight - 200 gram Old Will's Price: Starting at $55.80 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 1 gram Old Will's Price: Starting at $58.50 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 2 gram Old Will's Price: Starting at $58.50 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 5 gram Old Will's Price: Starting at $58.50 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Calibration Weight - 50 gram Old Will's Price: Starting at $58.50 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 2 Boxed Calibration Weight - 100 gram Old Will's Price: Starting at $60.30 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 4 Non-Polished Calibration Weight - 300 gram Old Will's Price: Starting at $60.30 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Boxed Calibration Weight - 20 gram Old Will's Price: Starting at $62.10 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 2 Boxed Calibration Weight - 200 gram Old Will's Price: Starting at $63.00 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
ASTM Class 4 Non-Polished Calibration Weight - 400 gram Old Will's Price: Starting at $64.80 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 10 gram Old Will's Price: Starting at $65.70 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
F1 Calibration Weight - 20 gram Old Will's Price: Starting at $68.40 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 4 Non-Polished Calibration Weight - 500 gram Old Will's Price: Starting at $70.20 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Calibration Weight - 100 gram Old Will's Price: Starting at $71.10 ASTM Class 1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	F1 Calibration Weight - 50 gram Old Will's Price: Starting at $72.00 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
ASTM Class 1 Boxed Calibration Weight - 50 gram Old Will's Price: Starting at $76.50 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 1 Boxed Calibration Weight - 40 gram Old Will's Price: Starting at $77.40 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
E2 Calibration Weight - 1 gram Old Will's Price: Starting at $80.10 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 2 gram Old Will's Price: Starting at $80.10 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 5 gram Old Will's Price: Starting at $80.10 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Boxed Calibration Weight - 100 gram Old Will's Price: Starting at $81.00 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
ASTM Class 2 Boxed Calibration Weight - 400 gram Old Will's Price: Starting at $85.50 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)	ASTM Class 2 Boxed Calibration Weight - 500 gram Old Will's Price: Starting at $85.50 ASTM Class 2 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
ASTM Class 4 Non-Polished Calibration Weight - 1000 gram Old Will's Price: Starting at $88.20 ASTM Class 4 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	E2 Calibration Weight - 10 gram Old Will's Price: Starting at $90.00 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)
E2 Calibration Weight - 20 gram Old Will's Price: Starting at $90.00 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Boxed Calibration Weight - 200 gram Old Will's Price: Starting at $90.00 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
F1 Calibration Weight - 100 gram Old Will's Price: Starting at $91.80 OIML Class F1 Calibration Weight with or without NVLAP certificate. (item received may differ from image)	ASTM Class 1 Boxed Calibration Weight - 400 gram Old Will's Price: Starting at $94.50 ASTM Class 1 Calibration Weight with or without NVLAP certificate. Hinged storage case included. (item received may differ from image)
M2 Calibration Weight - 10 Kilogram Old Will's Price: $99.90 OIML Class M2 Calibration Weight. (item received may differ from image)	E2 Calibration Weight - 50 gram Old Will's Price: Starting at $100.80 OIML Class E2 Calibration Weight with or without NVLAP certificate. (item received may differ from image)

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