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

Displaying products 1 - 100 of 131 results
Page 1 of 2 Page 12movenext
M2 Calibration Weight - 5 gram
Old Will's Price: $1.99
M2 Calibration Weight - 5 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 1 gram
Old Will's Price: $1.99
M2 Calibration Weight - 1 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 10 gram
Old Will's Price: $2.49
M2 Calibration Weight - 10 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 100 gram
Old Will's Price: $2.73
M2 Calibration Weight - 100 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 20 gram
Old Will's Price: $2.90
M2 Calibration Weight - 20 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 50 gram
Old Will's Price: $2.99
M2 Calibration Weight - 50 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 150 gram
Old Will's Price: $5.90
M2 Calibration Weight - 150 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 200 gram
Old Will's Price: $6.90
M2 Calibration Weight - 200 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 300 gram
Old Will's Price: $7.90
M2 Calibration Weight - 300 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 500 gram
Old Will's Price: $8.90
M2 Calibration Weight - 500 gram
OIML Class M2 Calibration Weight.
(item received may differ from image)
M2 Calibration Weight - 1000 gram
Old Will's Price: $14.90
M2 Calibration Weight - 1000 gram
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
Ohaus 241-03 8 Piece - Brass - ASTM Class 6 - Calibration Weight Set
Weights Included: 1g - (2) 2g - 5g - (2) 10g - 20g - 50g
M2 Calibration Weight - 2000 gram
Old Will's Price: $18.90
M2 Calibration Weight - 2000 gram
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 - 1 milligram
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 - 2 milligram
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 - 5 milligram
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 - 10 milligram
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 - 20 milligram
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 - 50 milligram
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 - 100 milligram
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 - 200 milligram
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 - 500 milligram
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
17 Piece - Class M2 - Calibration Weight Set
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
F1 Calibration Weight - 1 milligram
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
F1 Calibration Weight - 2 milligram
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
F1 Calibration Weight - 5 milligram
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
F1 Calibration Weight - 10 milligram
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
F1 Calibration Weight - 20 milligram
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
F1 Calibration Weight - 50 milligram
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
F1 Calibration Weight - 100 milligram
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
F1 Calibration Weight - 200 milligram
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
F1 Calibration Weight - 500 milligram
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 - 1 gram
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 - 2 gram
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 - 3 gram
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 - 5 gram
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 - 10 gram
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
M2 Calibration Weight - 5000 gram
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 - 20 gram
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
E2 Calibration Weight - 5 milligram
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
E2 Calibration Weight - 1 milligram
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
E2 Calibration Weight - 2 milligram
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
E2 Calibration Weight - 10 milligram
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
E2 Calibration Weight - 20 milligram
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
E2 Calibration Weight - 50 milligram
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
E2 Calibration Weight - 100 milligram
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
E2 Calibration Weight - 200 milligram
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
E2 Calibration Weight - 500 milligram
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 - 30 gram
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 - 50 gram
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 Non-Polished Calibration Weight - 100 gram
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 - 1 milligram
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 - 2 milligram
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 - 5 milligram
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 - 10 milligram
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 - 20 milligram
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 - 50 milligram
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 - 100 milligram
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 - 200 milligram
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 - 500 milligram
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 - 1 gram
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 - 2 gram
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 - 5 gram
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 - 10 gram
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 - 20 gram
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 - 100 gram
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 Boxed Calibration Weight - 20 gram
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 Boxed Calibration Weight - 40 gram
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 Boxed Calibration Weight - 50 gram
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 Non-Polished Calibration Weight - 200 gram
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
F1 Calibration Weight - 1 gram
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
F1 Calibration Weight - 2 gram
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
F1 Calibration Weight - 5 gram
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 - 50 gram
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 Boxed Calibration Weight - 100 gram
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 Non-Polished Calibration Weight - 300 gram
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 Boxed Calibration Weight - 20 gram
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 Boxed Calibration Weight - 200 gram
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 Non-Polished Calibration Weight - 400 gram
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
F1 Calibration Weight - 10 gram
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
F1 Calibration Weight - 20 gram
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 Non-Polished Calibration Weight - 500 gram
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 - 100 gram
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
F1 Calibration Weight - 50 gram
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 Boxed Calibration Weight - 50 gram
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 Boxed Calibration Weight - 40 gram
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
E2 Calibration Weight - 1 gram
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
E2 Calibration Weight - 2 gram
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
E2 Calibration Weight - 5 gram
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 Boxed Calibration Weight - 100 gram
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 Boxed Calibration Weight - 400 gram
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 Boxed Calibration Weight - 500 gram
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 Non-Polished Calibration Weight - 1000 gram
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
E2 Calibration Weight - 10 gram
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
E2 Calibration Weight - 20 gram
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 Boxed Calibration Weight - 200 gram
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
F1 Calibration Weight - 100 gram
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 Boxed Calibration Weight - 400 gram
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
M2 Calibration Weight - 10 Kilogram
OIML Class M2 Calibration Weight.
(item received may differ from image)
E2 Calibration Weight - 50 gram
Old Will's Price: Starting at $100.80
E2 Calibration Weight - 50 gram
OIML Class E2 Calibration Weight with or without NVLAP certificate.
(item received may differ from image)
Page 1 of 2 Page 12movenext
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