# Number Occurrences Count Calculator

This online tool to count the number of occurrences of given range of numbers.

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# How many times a digit "1" occurs between two numbers

##### How Many One's in 1 to 100

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100

##### How Many One's in 1 to 200

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199

##### How Many One's in 1 to 300

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291

##### How Many One's in 1 to 400

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391

##### How Many One's in 1 to 500

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491

##### How Many One's in 1 to 600

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491 ,501 ,510 ,511 ,512 ,513 ,514 ,515 ,516 ,517 ,518 ,519 ,521 ,531 ,541 ,551 ,561 ,571 ,581 ,591

##### How Many One's in 1 to 700

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491 ,501 ,510 ,511 ,512 ,513 ,514 ,515 ,516 ,517 ,518 ,519 ,521 ,531 ,541 ,551 ,561 ,571 ,581 ,591 ,601 ,610 ,611 ,612 ,613 ,614 ,615 ,616 ,617 ,618 ,619 ,621 ,631 ,641 ,651 ,661 ,671 ,681 ,691

##### How Many One's in 1 to 800

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491 ,501 ,510 ,511 ,512 ,513 ,514 ,515 ,516 ,517 ,518 ,519 ,521 ,531 ,541 ,551 ,561 ,571 ,581 ,591 ,601 ,610 ,611 ,612 ,613 ,614 ,615 ,616 ,617 ,618 ,619 ,621 ,631 ,641 ,651 ,661 ,671 ,681 ,691 ,701 ,710 ,711 ,712 ,713 ,714 ,715 ,716 ,717 ,718 ,719 ,721 ,731 ,741 ,751 ,761 ,771 ,781 ,791

##### How Many One's in 1 to 900

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491 ,501 ,510 ,511 ,512 ,513 ,514 ,515 ,516 ,517 ,518 ,519 ,521 ,531 ,541 ,551 ,561 ,571 ,581 ,591 ,601 ,610 ,611 ,612 ,613 ,614 ,615 ,616 ,617 ,618 ,619 ,621 ,631 ,641 ,651 ,661 ,671 ,681 ,691 ,701 ,710 ,711 ,712 ,713 ,714 ,715 ,716 ,717 ,718 ,719 ,721 ,731 ,741 ,751 ,761 ,771 ,781 ,791 ,801 ,810 ,811 ,812 ,813 ,814 ,815 ,816 ,817 ,818 ,819 ,821 ,831 ,841 ,851 ,861 ,871 ,881 ,891

##### How Many One's in 1 to 1000

1 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,21 ,31 ,41 ,51 ,61 ,71 ,81 ,91 ,100 ,101 ,102 ,103 ,104 ,105 ,106 ,107 ,108 ,109 ,110 ,111 ,112 ,113 ,114 ,115 ,116 ,117 ,118 ,119 ,120 ,121 ,122 ,123 ,124 ,125 ,126 ,127 ,128 ,129 ,130 ,131 ,132 ,133 ,134 ,135 ,136 ,137 ,138 ,139 ,140 ,141 ,142 ,143 ,144 ,145 ,146 ,147 ,148 ,149 ,150 ,151 ,152 ,153 ,154 ,155 ,156 ,157 ,158 ,159 ,160 ,161 ,162 ,163 ,164 ,165 ,166 ,167 ,168 ,169 ,170 ,171 ,172 ,173 ,174 ,175 ,176 ,177 ,178 ,179 ,180 ,181 ,182 ,183 ,184 ,185 ,186 ,187 ,188 ,189 ,190 ,191 ,192 ,193 ,194 ,195 ,196 ,197 ,198 ,199 ,201 ,210 ,211 ,212 ,213 ,214 ,215 ,216 ,217 ,218 ,219 ,221 ,231 ,241 ,251 ,261 ,271 ,281 ,291 ,301 ,310 ,311 ,312 ,313 ,314 ,315 ,316 ,317 ,318 ,319 ,321 ,331 ,341 ,351 ,361 ,371 ,381 ,391 ,401 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,421 ,431 ,441 ,451 ,461 ,471 ,481 ,491 ,501 ,510 ,511 ,512 ,513 ,514 ,515 ,516 ,517 ,518 ,519 ,521 ,531 ,541 ,551 ,561 ,571 ,581 ,591 ,601 ,610 ,611 ,612 ,613 ,614 ,615 ,616 ,617 ,618 ,619 ,621 ,631 ,641 ,651 ,661 ,671 ,681 ,691 ,701 ,710 ,711 ,712 ,713 ,714 ,715 ,716 ,717 ,718 ,719 ,721 ,731 ,741 ,751 ,761 ,771 ,781 ,791 ,801 ,810 ,811 ,812 ,813 ,814 ,815 ,816 ,817 ,818 ,819 ,821 ,831 ,841 ,851 ,861 ,871 ,881 ,891 ,901 ,910 ,911 ,912 ,913 ,914 ,915 ,916 ,917 ,918 ,919 ,921 ,931 ,941 ,951 ,961 ,971 ,981 ,991 ,1000

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